Odd Sture Hopperstad

About

Odd Sture Hopperstad is professor at the Department of Structural Engineering, Norwegian University of Science and Technology (NTNU) in Trondheim, Norway. His research activities are mainly within materials mechanics, plasticity and crystal plasticity, ductile fracture, micromechanics, and structural impact. Within these fields, he has published about 300 articles in international journals with peer review. He was in the core team of SFI-SIMLab (2007-2014) and SFI CASA (2015-2023), and was principal investigator of the Toppforsk project Fractal (2016-2022). He has been associate editor of the scientific journals International Journal of Impact Engineering and European Journal of Mechanics – A/Solids. He is a member of the Norwegian Academy of Technological Sciences, the Royal Norwegian Society of Sciences and Letters, and The Norwegian Academy of Science and Letters.

Publications

2024

Rudshaug, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2024) Modeling brittle crack propagation for varying critical load levels: a dynamic phase-field approach. International Journal of Fracture
Academic article
Aune, Sigurd; Morin, David Didier; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2024) Modelling of welded aluminium connections in large-scale analyses. Thin-walled structures
Academic article

2023

Rudshaug, Jonas; Hopperstad, Odd Sture; Børvik, Tore. (2023) Capturing fracture initiation and crack propagation of car windshields. Engineering Fracture Mechanics
Academic article
Espeseth, Vetle; Morin, David Didier; Tekoğlu, Cihan; Børvik, Tore; Hopperstad, Odd Sture. (2023) Ductile tearing of aluminium plates: experiments and modelling. International Journal of Fracture
Academic article
Sælen, Ruben Løland; Hopperstad, Odd Sture; Clausen, Arild Holm. (2023) Mechanical behaviour and constitutive modelling of an additively manufactured stereolithography polymer. Mechanics of materials (Print)
Academic article
Espeseth, Vetle; Morin, David Didier; Børvik, Tore; Hopperstad, Odd Sture. (2023) A gradient-based non-local GTN model: Explicit finite element simulation of ductile damage and fracture. Engineering Fracture Mechanics
Academic article
Dæhli, Lars Edvard Blystad; Morin, David Didier; Hopperstad, Odd Sture. (2023) Modelling of ductile failure in materials with heterogeneous particle structure using localization analysis. European Journal of Mechanics. A, Solids
Academic article
Morin, David Didier; Dæhli, Lars Edvard Blystad; Faleskog, Jonas; Hopperstad, Odd Sture. (2023) A numerical study on the effect of porosity distribution on ductile failure using size-dependent finite element-based representative volume elements. European Journal of Mechanics. A, Solids
Academic article
Xu, Jianbin; Hopperstad, Odd Sture; Holmedal, Bjørn; Berstad, Torodd; Manik, Tomas; Marthinsen, Knut. (2023) On the spatio-temporal characteristics of the Portevin-Le Chatelier effect in aluminium alloy AA5182: An experimental and numerical study. International journal of plasticity
Academic article
Tomstad, Asle Joachim; Boåsen, Magnus; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2023) On the influence of stress state on ductile fracture of two 6000-series aluminium alloys with different particle content. International Journal of Solids and Structures
Academic article
Dæhli, Lars Edvard Blystad; Johnsen, Joakim; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture. (2023) An experimental–numerical study on the evolution of the Taylor–Quinney coefficient with plastic deformation in metals. Mechanics of materials (Print)
Academic article
Saai, Afaf; Hopperstad, Odd Sture; Fritz, Jenny; Larsson, Joachim. (2023) A numerical study on the effects of DP steel microstructure on the yield locus and the stress–strain response under strain path change. International Journal of Material Forming
Academic article
Qvale, Kristin; Hopperstad, Odd Sture; Morin, David Didier; Børvik, Tore. (2023) Micromechanics-based simulation of quasi-static and dynamic crushing of double-chamber 6000-series aluminium profiles. International Journal of Impact Engineering
Academic article
Dæhli, Lars Edvard Blystad; Olufsen, Sindre Nordmark; Kristensen, Tore Andre; Børvik, Tore; Hopperstad, Odd Sture. (2023) Influence of constituent particles on fracture of aluminum alloys under high-triaxiality loading. Materials Science & Engineering: A
Academic article
Frodal, Bjørn Håkon; Lodgaard, Lars; Langsrud, Yngve; Børvik, Tore; Hopperstad, Odd Sture. (2023) Influence of Local Microstructural Variations on the Bendability of Aluminum Extrusions: Experiments and Crystal Plasticity Analyses. Journal of applied mechanics
Academic article
Rudshaug, Jonas; Osnes, Karoline; Hopperstad, Odd Sture; Børvik, Tore. (2023) A physically based strength prediction model for glass. International Journal of Solids and Structures
Academic article
Rudshaug, Jonas; Hopperstad, Odd Sture; Børvik, Tore. (2023) Effect of load level on cracking of L-shaped soda-lime glass specimens. Glass Structures & Engineering
Academic article

2022

Dæhli, Lars Edvard Blystad; Tekoglu, Cihan; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2022) Ductile failure predictions using micromechanically-based computational models. Journal of the Mechanics and Physics of Solids
Academic article
Holmen, Jens Kristian; Thomesen, Susanne; Perez-Martin, Maria Jesus; Hopperstad, Odd Sture; Børvik, Tore. (2022) Ballistic Impact of Structural Steels at Low Temperatures. Journal of applied mechanics
Academic article
Somlo, Kinga; Frodal, Bjørn Håkon; Funch, C.V.; Poulios, K.; Winther, G.; Hopperstad, Odd Sture. (2022) Anisotropic yield surfaces of additively manufactured metals simulated with crystal plasticity. European Journal of Mechanics. A, Solids
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas; Marthinsen, Knut. (2022) Dynamic strain ageing in an AlMg alloy at different strain rates and temperatures: Experiments and constitutive modelling. International journal of plasticity
Academic article
Espeseth, Vetle; Børvik, Tore; Hopperstad, Odd Sture. (2022) Aluminium plates with geometrical defects subjected to low-velocity impact: Experiments and simulations. International Journal of Impact Engineering
Academic article
Frodal, Bjørn Håkon; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2022) On fracture anisotropy in textured aluminium alloys. International Journal of Solids and Structures
Academic article
Xu, Jianbin; Liu, Lei; Hopperstad, Odd Sture; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2022) A simple method enabling efficient quantitative analysis of the Portevin–Le Chatelier band characteristics. Scripta Materialia
Academic article
Thomesen, Susanne; Tomstad, Asle Joachim; Børvik, Tore; Hopperstad, Odd Sture. (2022) Simulation of ductile fracture in aluminium alloys with random or strong texture using heuristic extensions of the Gurson model. Engineering Fracture Mechanics
Academic article
Tomstad, Asle Joachim; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2022) Corrigendum to “Effects of constituent particle content on ductile fracture in isotropic and anisotropic 6000-series aluminium alloys” [Mater. Sci. Eng. A 820 (2021) 141420] (Materials Science & Engineering A (2021) 820, (S0921509321006894), (10.1016/j.msea.2021.141420)). Materials Science & Engineering: A
Errata
Nam, Woongshik; Hopperstad, Odd Sture; Amdahl, Jørgen. (2022) Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills: Part III: structural response assessment. Ships and Offshore Structures
Academic article
Tomstad, Asle Joachim; Frodal, Bjørn Håkon; Børvik, Tore; Hopperstad, Odd Sture. (2022) Influence of particle content on the ductility of extruded non-recrystallized aluminium alloys subjected to shear loading. Materials Science & Engineering: A
Academic article
Qvale, Kristin; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2022) The effect of constituent particles on the tear resistance of three 6000-series aluminium alloys. International Journal of Fracture
Academic article

2021

Frodal, Bjørn Håkon; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2021) On the coupling of damage and single crystal plasticity for ductile polycrystalline materials. International journal of plasticity
Academic article
Tomstad, Asle Joachim; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2021) Effects of constituent particle content on ductile fracture in isotropic and anisotropic 6000-series aluminium alloys. Materials Science & Engineering: A
Academic article
Morgeneyer, Thilo; Khadyko, Mikhail; Buljac, Ante; Helfen, Lukas; Hild, Francois; Benallal, Ahmed. (2021) On crystallographic aspects of heterogeneous plastic flow during ductile tearing: 3D measurements and crystal plasticity simulations for AA7075-T651. International journal of plasticity
Academic article
Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture. (2021) An experimental and numerical study of the Portevin-Le Chatelier effect in an AlMg alloy. Norwegian University of Science and Technology
Doctoral dissertation
Frafjord, Jonas; Ringdalen, Inga Gudem; Hopperstad, Odd Sture; Holmestad, Randi; Friis, Jesper. (2021) Corrigendum to “First principles calculations of pressure dependent yielding in solute strengthened aluminium alloys” [Comput. Mater. Sci. 184 (2020) 109902] (Computational Materials Science (2020) 184, (S0927025620303931), (10.1016/j.commatsci.2020.109902)). Computational Materials Science
Errata
Granum, Henrik Møgster; Myhr, Ole Runar; Børvik, Tore; Hopperstad, Odd Sture. (2021) Effect of pre-stretching on the mechanical behaviour of three artificially aged 6xxx series aluminium alloys. Materials Today Communications
Academic article
Bergo, Sondre; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2021) Micromechanical modelling of ductile fracture in pipeline steel using a bifurcation-enriched porous plasticity model. International Journal of Fracture
Academic article
Espeseth, Vetle; Morin, David; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2021) A numerical study of a size-dependent finite-element based unit cell with primary and secondary voids. Journal of the Mechanics and Physics of Solids
Academic article
Marioara, Calin Daniel; Børvik, Tore; Hopperstad, Odd Sture. (2021) The relation between grain boundary precipitate formation and adjacent grain orientations in Al-Mg-Si(-Cu) alloys. Philosophical Magazine Letters
Academic article
Holmström, Petter Henrik; Clausen, Arild Holm; Berstad, Torodd; Morin, David; Hopperstad, Odd Sture. (2021) A pragmatic orthotropic elasticity-based damage model with spatially distributed properties applied to short glass-fibre reinforced polymers. International Journal of Solids and Structures
Academic article
Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2021) Anisotropic Plasticity and Fracture of Three 6000-Series Aluminum Alloys. Metals
Academic article
Bergo, Sondre; Morin, David; Hopperstad, Odd Sture. (2021) Numerical implementation of a non-local GTN model for explicit FE simulation of ductile damage and fracture. International Journal of Solids and Structures
Academic article
Khadyko, Mikhail; Frodal, Bjørn Håkon; Hopperstad, Odd Sture. (2021) Finite element simulation of ductile fracture in polycrystalline materials using a regularized porous crystal plasticity model. International Journal of Fracture
Academic article
Granum, Henrik; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2021) Calibration of the modified Mohr-Coulomb fracture model by use of localization analyses for three tempers of an AA6016 aluminium alloy. International Journal of Mechanical Sciences
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2021) Experimental Characterization and Modelling of the PLC Effect in an AlMg-Alloy. Materials Science Forum
Academic article
Olufsen, Sindre Nordmark; Nygård, Per; Ines Teixeira Pais, Catarina; Perillo, Giovanni; Hopperstad, Odd Sture; Clausen, Arild Holm. (2021) Influence of loading conditions on the tensile response of degraded polyamide 11. Polymer
Academic article

2020

Bergo, Sondre; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2020) Micromechanics-based identification of a ductile fracture model for three structural steels. Engineering Fracture Mechanics
Academic article
Frodal, Bjørn Håkon; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2020) On the effect of plastic anisotropy, strength and work hardening on the tensile ductility of aluminium alloys. International Journal of Solids and Structures
Academic article
Olufsen, Sindre Nordmark; Clausen, Arild Holm; Breiby, Dag Werner; Hopperstad, Odd Sture. (2020) X-ray computed tomography investigation of dilation of mineral-filled PVC under monotonic loading. Mechanics of materials (Print)
Academic article
Osnes, Karoline; Hopperstad, Odd Sture; Børvik, Tore. (2020) Rate dependent fracture of monolithic and laminated glass: Experiments and simulations. Engineering structures
Academic article
Erice, Borja; Perez-Martin, Maria Jesus; Kristoffersen, Martin; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2020) Fracture mechanisms in largely strained solids due to surface instabilities. International Journal of Solids and Structures
Academic article
Holmström, Petter Henrik; Hopperstad, Odd Sture; Clausen, Arild Holm. (2020) Anisotropic tensile behaviour of short glass-fibre reinforced polyamide-6. Composites Part C: Open Access
Academic article
Vestrum, Ole; Dæhli, Lars Edvard Blystad; Hopperstad, Odd Sture; Børvik, Tore. (2020) Constitutive modeling of a graded porous polymer based on X-ray computed tomography. Materials & design
Academic article
Myhr, Ole Runar; Børvik, Tore; Marioara, Calin Daniel; Wenner, Sigurd; Hopperstad, Odd Sture. (2020) Nanoscale modelling of combined isotropic and kinematic hardening of 6000 series aluminium alloys. Mechanics of materials (Print)
Academic article
Frodal, Bjørn Håkon; Christiansen, Emil; Myhr, Ole Runar; Hopperstad, Odd Sture. (2020) The role of quench rate on the plastic flow and fracture of three aluminium alloys with different grain structure and texture. International Journal of Engineering Science
Academic article
Morton, Daniel Thor; Reyes, Aase Gavina Roberg; Clausen, Arild Holm; Hopperstad, Odd Sture. (2020) Mechanical response of low density expanded polypropylene foams in compression and tension at different loading rates and temperatures. Materials Today Communications
Academic article
Costas, Miguel; Morin, David; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2020) Corrigendum to “A through-thickness damage regularisation scheme for shell elements subjected to severe bending and membrane deformations” [Journal of the Mechanics and Physics of Solids 123 (2019) 190–206]. Journal of the Mechanics and Physics of Solids
Errata
Frafjord, Jonas; Ringdalen, Inga Gudem; Hopperstad, Odd Sture; Holmestad, Randi; Friis, Jesper. (2020) First principle calculations of pressure dependent yielding in solute strengthened aluminium alloys. Computational Materials Science
Academic article
Dæhli, Lars Edvard Blystad; Morin, David; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2020) A Numerical Study on Ductile Failure of Porous Ductile Solids With Rate-Dependent Matrix Behavior. Journal of applied mechanics
Academic article
Thomesen, Susanne; Hopperstad, Odd Sture; Myhr, Ole Runar; Børvik, Tore. (2020) Influence of stress state on plastic flow and ductile fracture of three 6000-series aluminium alloys. Materials Science & Engineering: A
Academic article
Cazacu, Oana; Chandola, Nitin; Revil-Baudard, Benoit; Frodal, Bjørn Håkon; Børvik, Tore; Hopperstad, Odd Sture. (2020) Modeling the effect of notch geometry on the deformation of a strongly anisotropic aluminum alloy. European Journal of Mechanics. A, Solids
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Bjørge, Ruben; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Detailed investigation of the shearing mechanism of β" precipitates in Al-Mg-Si alloys. MATEC Web of Conferences
Academic article
Olufsen, Sindre Nordmark; Tekseth, Kim Robert Bjørk; Breiby, Dag Werner; Clausen, Arild Holm; Hopperstad, Odd Sture. (2020) A technique for in situ X-ray computed tomography of deformation-induced cavitation in thermoplastics. Polymer testing
Academic article
Qvale, Kristin; Hopperstad, Odd Sture; Reiso, Oddvin; Tundal, Ulf; Marioara, Calin Daniel; Børvik, Tore. (2020) An experimental study on pre-stretched double-chamber 6000-series aluminium profiles subjected to quasi-static and dynamic axial crushing. Thin-walled structures
Academic article
Perez-Martin, M.J.; Holmen, Jens Kristian; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2020) Correction to: Dynamic Behaviour of a High-Strength Structural Steel at Low Temperatures (Journal of Dynamic Behavior of Materials, (2019), 5, 3, (241-250), 10.1007/s40870-019-00206-x). Journal of Dynamic Behavior of Materials
Errata

2019

Khadyko, Mikhail; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) Tensile ductility of extruded aluminium alloy AA6063 in different tempers. Materials Science & Engineering: A
Academic article
Osnes, Karoline; Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore. (2019) On the dynamic response of laminated glass exposed to impact before blast loading. Experimental mechanics
Academic article
Frodal, Bjørn Håkon; Hopperstad, Odd Sture; Børvik, Tore. (2019) Micromechanical modelling of ductile fracture in aluminium alloys. Doktoravhandlinger ved NTNU (253)
Doctoral dissertation
Perez-Martin, Maria Jesus; Holmen, Jens Kristian; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2019) Dynamic Behaviour of a High-Strength Structural Steel at Low Temperatures. Journal of Dynamic Behavior of Materials
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) Volumetric strain measurement of polymeric materials subjected to uniaxial tension. Strain
Academic article
Frodal, Bjørn Håkon; Dæhli, Lars Edvard; Børvik, Tore; Hopperstad, Odd Sture. (2019) Modelling and simulation of ductile failure in textured aluminium alloys subjected to compression-tension loading. International journal of plasticity
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2019) Experimental characterization and modeling of aluminum alloy AA3103 for complex single and double strain-path changes. International journal of plasticity
Academic article
Costas, Miguel; Morin, David; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2019) A through-thickness damage regularisation scheme for shell elements subjected to severe bending and membrane deformations. Journal of the Mechanics and Physics of Solids
Academic article
Khadyko, Mikhail; Myhr, Ole Runar; Hopperstad, Odd Sture. (2019) Work hardening and plastic anisotropy of naturally and artificially aged aluminium alloy AA6063. Mechanics of materials (Print)
Academic article
Olufsen, Sindre Nordmark; Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) Influence of stress triaxiality and strain rate on stress-strain behaviour and dilation of mineral-filled PVC. Polymer testing
Academic article
Andersen, Marius Endre; Hopperstad, Odd Sture; Clausen, Arild Holm. (2019) Volumetric strain measurement of polymeric materials subjected to uniaxial tension. Strain
Academic article
Dumoulin, Stephane; Coudert, Térence; Hopperstad, Odd Sture. (2019) ATLAS of yield surfaces for strongly textured FCC polycrystals. AIP Conference Proceedings
Academic article
Holmstrøm, Petter Henrik; Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) An experimental and numerical study of the mechanical behaviour of short glass-fibre reinforced thermoplastics. Norwegian University of Science and Technology
Doctoral dissertation
Osnes, Karoline; Holmen, Jens Kristian; Hopperstad, Odd Sture; Børvik, Tore. (2019) Fracture and fragmentation of blast-loaded laminated glass: An experimental and numerical study. International Journal of Impact Engineering
Academic article
Granum, Henrik; Aune, Vegard; Børvik, Tore; Hopperstad, Odd Sture. (2019) Effect of heat-treatment on the structural response of blast-loaded aluminium plates with pre-cut slits. International Journal of Impact Engineering
Academic article
Morin, David; Dæhli, Lars Edvard; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2019) Numerical study of ductile failure under non-proportional loading. European Journal of Mechanics. A, Solids
Academic article
Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Benallal, Ahmed; Hopperstad, Odd Sture. (2019) A thermo-elasto-viscoplastic constitutive model for polymers. Journal of the Mechanics and Physics of Solids
Academic article
Dæhli, Lars Edvard Blystad; Hopperstad, Odd Sture; Benallal, Ahmed. (2019) Effective behaviour of porous ductile solids with a non-quadratic isotropic matrix yield surface. Journal of the Mechanics and Physics of Solids
Academic article
Christiansen, Emil; Holmestad, Randi; Hopperstad, Odd Sture; Marioara, Calin Daniel. (2019) Nanoscale Characterisation of Deformed Aluminium Alloys. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (252)
Doctoral dissertation
Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2019) Plastic flow and fracture of isotropic and anisotropic 6000-series aluminium alloys: experiments and numerical simulations. Doktoravhandlinger ved NTNU (312)
Doctoral dissertation
Osnes, Karoline; Børvik, Tore; Hopperstad, Odd Sture. (2019) Monolithic and laminated glass under extreme loading: Experiments, modelling and simulations. Doktoravhandlinger ved NTNU (304)
Doctoral dissertation
Christiansen, Emil; Marioara, Calin Daniel; Holmedal, Bjørn; Hopperstad, Odd Sture; Holmestad, Randi. (2019) Nano-scale characterisation of sheared β” precipitates in a deformed Al-Mg-Si alloy. Scientific Reports
Academic article
Granum, Henrik; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) Simulation of blast-loaded aluminium plates with crack-like defects. International Center for Numerical Methods in Engineering (CIMNE)
Academic chapter/article/Conference paper
Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) Volumetric strain measurement of polymeric materials subjected to uniaxial tension. Strain
Academic article

2018

Khadyko, Mikhail; Sturdy, Jacob; Dumoulin, Stephane; Hellevik, Leif Rune; Hopperstad, Odd Sture. (2018) Uncertainty quantification and sensitivity analysis of material parameters in crystal plasticity finite element models. Journal of Mechanics of Materials and Structures
Academic article
Osnes, Karoline; Hopperstad, Odd Sture; Børvik, Tore. (2018) Quasi-Static and Dynamic Testing of Annealed Float Glass. Proceedings
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Marthinsen, Knut; Hopperstad, Odd Sture; Holmestad, Randi. (2018) Lattice rotations in precipitate free zones in an Al-Mg-Si alloy. Materials Characterization
Academic article
Granum, Henrik; Aune, Vegard; Børvik, Tore; Hopperstad, Odd Sture. (2018) Aluminium plates with pre-formed slits subjected to blast loading. EDP Sciences
Academic chapter/article/Conference paper
Osnes, Karoline; Børvik, Tore; Hopperstad, Odd Sture. (2018) Shock Tube Testing and Modelling of Annealed Float Glass. The European Physical Journal Conferences
Academic article
Morin, David; Hopperstad, Odd Sture; Benallal, Ahmed. (2018) On the description of ductile fracture in metals by the strain localization theory. International Journal of Fracture
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2018) A combined isotropic, kinematic and distortional hardening model for aluminum and steels under complex strain-path changes. International journal of plasticity
Academic article
Nam, Woongshik; Hopperstad, Odd Sture; Amdahl, Jørgen. (2018) Modelling of the ductile-brittle fracture transition in steel structures with large shell elements: A numerical study. Marine Structures
Academic article
Granum, Henrik; Myhr, Ole Runar; Børvik, Tore; Hopperstad, Odd Sture. (2018) Nanostructure-based finite element analyses of aluminium profiles subjected to quasi-static axial crushing. Thin-walled structures
Academic article
Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2018) On the Material Characterization of an Aluminium Alloy Using Different Specimens and Identification Methods. Proceedings
Academic article
Myhr, Ole Runar; Hopperstad, Odd Sture; Børvik, Tore. (2018) A Combined Precipitation, Yield Stress, and Work Hardening Model for Al-Mg-Si Alloys Incorporating the Effects of Strain Rate and Temperature. Metallurgical and Materials Transactions A
Academic article
Osnes, Karoline; Børvik, Tore; Hopperstad, Odd Sture. (2018) Testing and modelling of annealed float glass under quasi-static and dynamic loading. Engineering Fracture Mechanics
Academic article
Morin, David; Fourmeau, Marion; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2018) Anisotropic tensile failure of metals by the strain localization theory: An application to a high-strength aluminium alloy. European Journal of Mechanics. A, Solids
Academic article
Dæhli, Lars Edvard; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2018) A Lode-dependent Gurson model motivated by unit cell analyses. Engineering Fracture Mechanics
Academic article

2017

Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Modelling of strain-path transients in commercially pure aluminium. Materials Science Forum
Academic article
Gruben, Gaute; Morin, David; Langseth, Magnus; Hopperstad, Odd Sture. (2017) Ductile Fracture of Steel Sheets under Dynamic Membrane Loading. Procedia Engineering
Academic article
Khadyko, Mikhail; Marioara, Calin Daniel; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture. (2017) Effects of heat-treatment on the plastic anisotropy of extruded aluminium alloy AA6063. Materials Science & Engineering: A
Academic article
Holmen, Jens Kristian; Frodal, Bjørn Håkon; Hopperstad, Odd Sture; Børvik, Tore. (2017) Strength differential effect in age hardened aluminum alloys. International journal of plasticity
Academic article
Morin, David; Kårstad, Bente Larsen; Skajaa, Birgitte; Hopperstad, Odd Sture; Langseth, Magnus. (2017) Testing and modelling of stiffened aluminium panels subjected to quasi-static and low-velocity impact loading. International Journal of Impact Engineering
Academic article
Grimsmo, Erik Løhre; Dæhli, Lars Edvard; Hopperstad, Odd Sture; Aalberg, Arne; Langseth, Magnus; Clausen, Arild Holm. (2017) Numerical study of fillet welds subjected to quasi-static and impact loading . International Journal of Mechanical Sciences
Academic article
Holmen, Jens Kristian; Solberg, Jan Ketil; Hopperstad, Odd Sture; Børvik, Tore. (2017) Ballistic impact of layered and case-hardened steel plates. International Journal of Impact Engineering
Academic article
Frodal, Bjørn Håkon; Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2017) Influence of pre-compression on the ductility of AA6xxx aluminium alloys. International Journal of Fracture
Academic article
Vysochinskiy, Dmitry; Coudert, Térence; Hopperstad, Odd Sture; Lademo, Odd-Geir; Reyes, Aase Gavina Roberg. (2017) Experimental study on the formability of AA6016 sheets pre-strained by rolling. International Journal of Material Forming
Academic article
Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2017) Influence of strain rate and temperature on the mechanical behaviour of rubber-modified polypropylene and cross-linked polyethylene. Mechanics of materials (Print)
Academic article
Holmen, Jens Kristian; Hopperstad, Odd Sture; Børvik, Tore. (2017) Influence of yield-surface shape in simulation of ballistic impact. International Journal of Impact Engineering
Academic article
Dæhli, Lars Edvard; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2017) Unit cell simulations and porous plasticity modelling for strongly anisotropic FCC metals. European Journal of Mechanics. A, Solids
Academic article
Dæhli, Lars Edvard; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2017) Influence of yield surface curvature on the macroscopic yielding and ductile failure of isotropic porous plastic materials. Journal of the Mechanics and Physics of Solids
Academic article
Holmen, Jens Kristian; Børvik, Tore; Hopperstad, Odd Sture. (2017) Experiments and simulations of empty and sand-filled aluminum alloy panels subjected to ballistic impact. Engineering structures
Academic article
Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Hopperstad, Odd Sture. (2017) Thermomechanical behaviour of semi-crystalline polymers: experiments, modelling and simulation. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
Dæhli, Lars Edvard; Hopperstad, Odd Sture; Børvik, Tore. (2017) Numerical studies on ductile failure of aluminium alloys. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
Qin, Jisheng; Holmedal, Bjørn; Zhang, Kai; Hopperstad, Odd Sture. (2017) Modeling strain-path changes in aluminum and steel. International Journal of Solids and Structures
Academic article
Gruben, Gaute; Morin, David; Langseth, Magnus; Hopperstad, Odd Sture. (2017) Strain localization and ductile fracture in advanced high-strength steel sheets. European Journal of Mechanics. A, Solids
Academic article
Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus; Reyes, Aase Gavina Roberg. (2017) Preface. Procedia Engineering
Editorial
Grimsmo, Erik Løhre; Dæhli, Lars Edvard; Hopperstad, Odd Sture; Aalberg, Arne; Langseth, Magnus; Clausen, Arild Holm. (2017) Comparison of damage models in numerical simulations of fillet welds under quasi-static and impact loading. Procedia Engineering
Academic article
Gruben, Gaute; Sølvernes, Sindre Hellem; Berstad, Torodd; Morin, David; Hopperstad, Odd Sture; Langseth, Magnus. (2017) Low-velocity impact behaviour and failure of stiffened steel plates. Marine Structures
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Experimental investigation and modelling of strain-path changes in metals. NTNU
Doctoral dissertation
Gruben, Gaute; Langseth, Magnus; Fagerholt, Egil; Hopperstad, Odd Sture. (2017) Corrigendum to ‘Low-velocity impact on high-strength steel sheets: an experimental and numerical study’ (International Journal of Impact Engineering (2017) 103 (254) (S0734743X15002079) (10.1016/j.ijimpeng.2015.10.001)). International Journal of Impact Engineering
Errata

2016

Khadyko, Mikhail; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Dumoulin, Stephane; Hopperstad, Odd Sture. (2016) Deformation and strain localization in polycrystals with plastically heterogeneous grains. International journal of plasticity
Academic article
Holmen, Jens Kristian; Dæhli, Lars Edvard; Hopperstad, Odd Sture; Børvik, Tore. (2016) Prediction of ductile failure using a phenomenological model calibrated from micromechanical simulations. Procedia Structural Integrity
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Hopperstad, Odd Sture. (2016) Texture gradients and strain localisation in extruded aluminium profile. International Journal of Solids and Structures
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Cailletaud, Georges; Hopperstad, Odd Sture. (2016) Latent hardening and plastic anisotropy evolution in AA6060 aluminium alloy. International journal of plasticity
Academic article
Westermann, Ida; Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2016) Work-hardening and ductility of artificially aged AA6060 aluminium alloy. Mechanics of materials (Print)
Academic article
Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2016) Dynamic versus quasi-static loading of X65 offshore steel pipes. The European Physical Journal Special Topics
Academic article
Dæhli, Lars Edvard; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2016) Unit cell simulations and porous plasticity modelling for recrystallization textures in aluminium alloys. Procedia Structural Integrity
Academic article
Nam, Woongshik; Amdahl, Jørgen; Hopperstad, Odd Sture. (2016) Influence of brittle fracture on the crashworthiness of ship and offshore structures in Arctic conditions.
Academic chapter/article/Conference paper
Kristoffersen, Martin; Børvik, Tore; Hopperstad, Odd Sture. (2016) Using unit cell simulations to investigate fracture due to compression-tension loading. Engineering Fracture Mechanics
Academic article
Børvik, Tore; Marken, Lene Anita; Langseth, Magnus; Rørvik, Gisle; Hopperstad, Odd Sture. (2016) Influence of sigma-phase precipitation on the impact behaviour of duplex stainless steel pipe fittings. Ships and Offshore Structures
Academic article
Holmen, Jens Kristian; Johnsen, Joakim; Hopperstad, Odd Sture; Børvik, Tore. (2016) Influence of fragmentation on the capacity of aluminum alloy plates subjected to ballistic impact. European Journal of Mechanics. A, Solids
Academic article
Gruben, Gaute; Langseth, Magnus; Fagerholt, Egil; Hopperstad, Odd Sture. (2016) Low-velocity impact on high-strength steel sheets: An experimental and numerical study. International Journal of Impact Engineering
Academic article
Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2016) Experimental set-up for determination of the large-strain tensile behaviour of polymers at low temperatures. Polymer testing
Academic article
Føre, Heidi Moe; Lader, Pål; Lien, Egil; Hopperstad, Odd Sture. (2016) Structural response of high solidity net cage models in uniform flow. Journal of Fluids and Structures
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Børvik, Tore; Holmedal, Bjørn; Hopperstad, Odd Sture. (2016) A physically-based constitutive model applied to AA6082 aluminium alloy at large strains, high strain rates and elevated temperatures. Materials & design
Academic article
Khadyko, Mikhail; Myhr, Ole Runar; Dumoulin, Stephane; Hopperstad, Odd Sture. (2016) A microstructure-based yield stress and work-hardening model for textured 6xxx aluminium alloys. Philosophical Magazine
Academic article
Dæhli, Lars Edvard; Børvik, Tore; Hopperstad, Odd Sture. (2016) Influence of loading path on ductile fracture of tensile specimens made from aluminium alloys. International Journal of Solids and Structures
Academic article
Vysochinskiy, Dmitry; Coudert, Térence; Hopperstad, Odd Sture; Lademo, Odd-Geir; Reyes, Aase Gavina Roberg. (2016) Experimental detection of forming limit strains on samples with multiple local necks. Journal of Materials Processing Technology
Academic article

2015

Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2015) X65 STEEL PIPES SUBJECTED TO COMBINED STRETCHING AND BENDING. International Center for Numerical Methods in Engineering (CIMNE)
Academic chapter/article/Conference paper
Holmen, Jens Kristian; Børvik, Tore; Myhr, Ole Runar; Hopperstad, Odd Sture. (2015) Perforation of welded aluminum extrusions: Numerical prediction and experimental validation. The European Physical Journal Conferences
Academic article
Vilamosa, Vincent; Børvik, Tore; Hopperstad, Odd Sture; Clausen, Arild Holm. (2015) Behaviour and modelling of aluminium alloy AA6060 subjected to a wide range of strain rates and temperatures. The European Physical Journal Conferences
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Børvik, Tore; Skjervold, SR; Hopperstad, Odd Sture. (2015) Behaviour of Al-Mg-Si alloys at a wide range of temperatures and strain rates. International Journal of Impact Engineering
Academic article
Pedersen, Ketill Olav; Westermann, Ida; Furu, Trond; Børvik, Tore; Hopperstad, Odd Sture. (2015) Influence of microstructure on work-hardening and ductile fracture of aluminium alloys. Materials & Design
Academic article
Fransplass, Henning; Langseth, Magnus; Hopperstad, Odd Sture. (2015) Experimental and numerical study of threaded steel fasteners under combined tension and shear at elevated loading rates. International Journal of Impact Engineering
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane; Gawad, Jerzy; Van Bael, Albert. (2015) Multi-level modelling of mechanical anisotropy of commercial pure aluminium plate: Crystal plasticity models, advanced yield functions and parameter identification. International journal of plasticity
Academic article
Vilamosa, Vincent; Børvik, Tore; Hopperstad, Odd Sture; Clausen, Arild Holm. (2015) Behaviour and modelling of aluminium alloy AA6060 subjected to a wide range of strain rates and temperatures. EDP Sciences
Academic chapter/article/Conference paper
Holmen, Jens Kristian; Børvik, Tore; Myhr, Ole Runar; Hopperstad, Odd Sture. (2015) Perforation of welded aluminum extrusions: Numerical prediction and experimental validation. EDP Sciences
Academic chapter/article/Conference paper
Fourmeau, Marion; Marioara, Calin Daniel; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2015) A study of the influence of precipitate free zones on the strain localization and failure of the aluminium alloy AA7075-T651. Philosophical Magazine
Academic article
Storheim, Martin; Alsos, Hagbart Skage; Hopperstad, Odd Sture; Amdahl, Jørgen. (2015) An Extension of the BWH Instability Criterion: Numerical Study. The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
Saai, Afaf; Westermann, Ida; Dumoulin, Stephane; Hopperstad, Odd Sture. (2015) Crystal plasticity finite element simulations of pure bending of aluminium alloy AA7108. International Journal of Material Forming
Academic article
Hoang, Nguyen-Hieu; Hopperstad, Odd Sture; Myhr, Ole Runar; Marioara, Calin Daniel; Langseth, Magnus. (2015) An improved nano-scale material model applied in axial-crushing analyses of square hollow section aluminium profiles. Thin-walled structures
Academic article
Storheim, Martin; Alsos, Hagbart Skage; Hopperstad, Odd Sture; Amdahl, Jørgen. (2015) A damage-based failure model for coarsely meshed shell structures. International Journal of Impact Engineering
Academic article
Holmen, Jens Kristian; Hopperstad, Odd Sture; Børvik, Tore. (2015) Low-velocity impact on multi-layered dual-phase steel plates. International Journal of Impact Engineering
Academic article
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture. (2015) Strain-path change induced transients in flow stress, work hardening and r-values in aluminum. International journal of plasticity
Academic article
Holmen, Jens Kristian; Børvik, Tore; Myhr, Ole Runar; Fjær, Hallvard Gustav; Hopperstad, Odd Sture. (2015) Perforation of welded aluminum components: Microstructure-based modeling and experimental validation. International Journal of Impact Engineering
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture. (2015) Simulation of large-strain behaviour of aluminium alloy under tensile loading using anisotropic plasticity models. Computers & structures
Academic article

2014

Hopperstad, Odd Sture; Børvik, Tore; Fourmeau, Marion; Pedersen, Ketill Olav; Benallal, Ahmed. (2014) Quasi-static and dynamic fracture of high-strength aluminium alloy. Procedia Materials Science
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Hopperstad, Odd Sture; Børvik, Tore; Skjervold, Svein Roger. (2014) Influence of temperature and strain rate on the mechanical behaviour of aluminium alloy AA6060. Materials Science Forum
Academic article
Ognedal, Anne Serine; Clausen, Arild Holm; Berstad, Torodd; Seelig, Thomas; Hopperstad, Odd Sture. (2014) Void nucleation and growth in mineral-filled PVC - An experimental and numerical study. International Journal of Solids and Structures
Academic article
Ognedal, Anne Serine; Clausen, Arild Holm; Dahlen, Anfrid; Hopperstad, Odd Sture. (2014) Behavior of PVC and HDPE under highly triaxial stress states: An experimental and numerical study. Mechanics of materials (Print)
Academic article
Vautrot, M.; Balland, P.; Hopperstad, Odd Sture; Tabourot, L.; Raujol-Veille, J.; Toussaint, F.. (2014) Experimental Technique to Characterize the Plastic Behaviour of Metallic Materials in a Wide Range of Temperatures and Strain Rates: Application to a High-Carbon Steel. Experimental mechanics
Academic article
Kristoffersen, Martin; Casadei, Folco; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2014) Impact against empty and water-filled X65 steel pipes - Experiments and simulations. International Journal of Impact Engineering
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Fagerholt, Egil; Hopperstad, Odd Sture; Børvik, Tore. (2014) Local measurement of stress-strain behaviour of ductile materials at elevated temperatures in a split-hopkinson tension bar system. Strain
Academic article
Zhang, Kai; Holmedal, Bjørn; Dumoulin, Stephane; Hopperstad, Odd Sture. (2014) An explicit integration scheme for hypo-elastic viscoplastic crystal plasticity. Transactions of Nonferrous Metals Society of China
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture. (2014) An experimental-numerical method to determine the work-hardening of anisotropic ductile materials at large strains. International Journal of Mechanical Sciences
Academic article
Westermann, Ida; Pedersen, Ketill Olav; Furu, Trond; Børvik, Tore; Hopperstad, Odd Sture. (2014) Effects of particles and solutes on strength, work-hardening and ductile fracture of aluminium alloys. Mechanics of materials (Print)
Academic article
Vysochinskiy, Dmitry; Coudert, Térence; Hopperstad, Odd Sture; Lademo, Odd-Geir; Reyes, Aase Gavina Roberg. (2014) Experimental detection of the onset of local necking in an aluminium sheet. Materials Science Forum
Academic article
Saai, Afaf; Hopperstad, Odd Sture; Granbom, Y.; Lademo, Odd-Geir. (2014) Influence of volume fraction and distribution of martensite phase on the strain localization in dual phase steels. Procedia Materials Science
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Modelling the plastic anisotropy of aluminium alloy 3103 sheets by polycrystal plasticity models. Modelling and Simulation in Materials Science and Engineering
Academic article
Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2014) Impact against X65 offshore pipelines. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
Gruben, Gaute; Fagerholt, Egil; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2014) Numerical simulation of ductile fracture in modified Arcan test. Procedia Materials Science
Academic article
Zhang, Kai; Holmedal, Bjørn; Marthinsen, Knut; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Multi-level Modelling of Plastic Anisotropy of Aluminium Alloys Using Crystal Plasticity Models and Advanced Yield Functions. NTNU-trykk
Doctoral dissertation
Zhang, Kai; Hopperstad, Odd Sture; Holmedal, Bjørn; Dumoulin, Stephane. (2014) A robust and efficient substepping scheme for the explicit numerical integration of a rate-dependent crystal plasticity model. International Journal for Numerical Methods in Engineering
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Langseth, Magnus. (2014) Mechanical behaviour of an AA6082 aluminium alloy at low temperatures. Materials Science Forum
Academic article
Hopperstad, Odd Sture; Westermann, Ida; Pedersen, Ketill Olav; Furu, Trond; Børvik, Tore. (2014) Influence of processing route on the work-hardening and ductile fracture of an AA6060 aluminium alloy. Materials Science Forum
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Hopperstad, Odd Sture. (2014) Slip system interaction matrix and its influence on the macroscopic response of Al alloys. Materials Science Forum
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Use of plane-strain tension and shear tests to evaluate yield surfaces for AA1050 aluminium sheet. Materials Science Forum
Academic article
Saai, Afaf; Hopperstad, Odd Sture; Dumoulin, Stephane; Tabourot, Laurent. (2014) Numerical study on the influence of crystallographic texture and grain shape on the yield surface of textured aluminum sheet material. Materials Science Forum
Academic article
Rakvåg, Kristian Gaarder; Børvik, Tore; Hopperstad, Odd Sture. (2014) A numerical study on the deformation and fracture modes of steel projectiles during Taylor bar impact tests. International Journal of Solids and Structures
Academic article
Fyllingen, Ørjan; Langseth, Magnus; Hopperstad, Odd Sture. (2014) Investigation of high-strength steel component subjected to stretch-bending: effect of forming history. Key Engineering Materials
Academic article

2013

Dumoulin, Stephane; Hopperstad, Odd Sture; Sène, Ndèye Awa; Balland, Pascale; Arrieux, Robert; Moreau, Jean-Michel. (2013) Numerical modelling of plastic forming of aluminium single crystals. International Journal of Material Forming
Academic article
Gruben, Gaute; Hopperstad, Odd Sture; Børvik, Tore. (2013) Simulation of ductile crack propagation in dual-phase steel. International Journal of Fracture
Academic article
Tabourot, Laurent; Balland, Pascale; Vautrot, M; Hopperstad, Odd Sture; Raujol-Veille, J; Toussaint, F.. (2013) Characterization and Modeling of the Elastic Behavior of a XC68 Grade Steel Used at High Strain Rates and High Temperatures. Key Engineering Materials
Academic article
Johnsen, Joakim; Holmen, Jens Kristian; Myhr, Ole Runar; Hopperstad, Odd Sture; Børvik, Tore. (2013) A nano-scale material model applied in finite element analysis of aluminium plates under impact loading. Computational Materials Science
Academic article
Kristoffersen, Martin; Casadei, Folco; Børvik, Tore; Langseth, Magnus; Solomos, George; Hopperstad, Odd Sture. (2013) NUMERICAL SIMULATIONS OF SUBMERGED AND PRESSURISED X65 STEEL PIPES. International Center for Numerical Methods in Engineering (CIMNE)
Academic chapter/article/Conference paper
Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Ilstad, Håvar; Levold, Erik. (2013) DAMAGE AND FAILURE IN AN X65 STEEL PIPELINE CAUSED BY TRAWL GEAR IMPACT. The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
Fransplass, Henning; Langseth, Magnus; Hopperstad, Odd Sture. (2013) Numerical study of the tensile behaviour of threaded steel fasteners at elevated rates of strain. International Journal of Impact Engineering
Academic literature review
Rakvåg, Knut Gaarder; Underwood, NJ; Schleyer, GK; Børvik, Tore; Hopperstad, Odd Sture. (2013) Transient pressure loading of clamped metallic plates with pre-formed holes. International Journal of Impact Engineering
Academic article
Hoang, Nguyen-Hieu; Hopperstad, Odd Sture; Langseth, Magnus; Westermann, Ida. (2013) Failure of aluminium self-piercing rivets: An experimental and numerical study. Materials & Design
Academic article
Holmen, Jens Kristian; Johnsen, Joakim; Jupp, S; Hopperstad, Odd Sture; Børvik, Tore. (2013) Effects of heat treatment on the ballistic properties of AA6070 aluminium alloy. International Journal of Impact Engineering
Academic article
Fourmeau, Marion; Børvik, Tore; Benallal, A; Hopperstad, Odd Sture. (2013) Anisotropic failure modes of high-strength aluminium alloy under various stress states. International journal of plasticity
Academic article
Kristoffersen, Martin; Børvik, Tore; Westermann, Ida; Langseth, Magnus; Hopperstad, Odd Sture. (2013) Impact against X65 steel pipes - An experimental investigation. International Journal of Solids and Structures
Academic article
Wadley, Haydn N.G.; Børvik, Tore; Olovsson, Lars; Wetzel, J.J.; Dharmasena, Kumar P.; Hopperstad, Odd Sture. (2013) Deformation and Fracture of Impulsively Loaded Sandwich Panels. Journal of the Mechanics and Physics of Solids
Academic article
Fagerholt, Egil; Børvik, Tore; Hopperstad, Odd Sture. (2013) Measuring discontinuous displacement fields in cracked specimens using Digital Image Correlation with mesh adaptation and crack-path optimization. Optics and lasers in engineering
Academic article
Saai, Afaf; Dumoulin, Stephane; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2013) Simulation of yield surfaces for aluminium sheets with rolling and recrystallization textures. Computational Materials Science
Academic article
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2013) Plastic-Anisotropy Modelling: Textrue, Strain-Rate and Strain-Path Changes. Doktoravhandlinger ved NTNU (304)
Doctoral dissertation
Rakvåg, Knut Gaarder; Børvik, Tore; Westermann, Ida; Hopperstad, Odd Sture. (2013) An experimental study on the deformation and fracture modes of steel projectiles during impact. Materials & Design
Academic article

2012

Dumoulin, Stephane; Engler, Olaf; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2012) Description of plastic anisotropy in AA6063-T6 using the crystal plasticity finite element method. Modelling and Simulation in Materials Science and Engineering
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2012) Effect of alloying elements on stage-III work-hardening behaviour of Al-Zn-Mg(-Cu) alloys. International Journal of Materials Research - Zeitschrift für Metallkunde
Academic article
Ognedal, Anne Serine; Clausen, Arild Holm; Polanco-Loria, Mario A.; Benallal, Ahmed; raka, bumedijen; Hopperstad, Odd Sture. (2012) Experimental and numerical study on the behaviour of PVC and HDPE in biaxial tension. Mechanics of materials (Print)
Academic article
Lademo, Odd-Geir; Engler, Olaf; Benallal, Ahmed; Hopperstad, Odd Sture. (2012) Effect of strain rate and dynamic strain ageing on work-hardening for aluminium alloy AA5182-O. International Journal of Materials Research - Zeitschrift für Metallkunde
Academic article
Gruben, Gaute; Hopperstad, Odd Sture; Børvik, Tore. (2012) Evaluation of uncoupled ductile fracture criteria for the dual-phase steel Docol 600DL. International Journal of Mechanical Sciences
Academic article
Fagerholt, Egil; Østby, Erling; Børvik, Tore; Hopperstad, Odd Sture. (2012) Investigation of fracture in small-scale SENT tests of a welded X80 pipeline steel using Digital Image Correlation with node splitting. Engineering Fracture Mechanics
Academic article
Kang, J; Mishra, R.K.; Wilkinson, D.S.; Hopperstad, Odd Sture. (2012) Effect of Mg content on Portevin-Le Chatelier band strain in Al-Mg sheet alloys. Philosophical Magazine Letters
Academic article
Vautrot, M; Balland, P; Hopperstad, Odd Sture; Tabourot, L; Raujol-Veille, J; Toussaint, F.. (2012) Characterization of High Carbon Steel C68 at Elevated Temperatures and Different Strain Rates. Technische Mechanik
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Myhr, Ole Runar; Marthinsen, Knut; Holmedal, Bjørn. (2012) Modeling of Work-Hardening in an Age-hardenable AA7108 Aluminum Alloy. John Wiley & Sons
Academic chapter/article/Conference paper
Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2012) Modeling of Transients as a Response to Changes in Strain–Path of Commercially Pure Aluminium. John Wiley & Sons
Academic chapter/article/Conference paper
Holmen, Jens Kristian; Johnsen, Joakim; Børvik, Tore; Hopperstad, Odd Sture. (2012) Effects of Heat Treatment on the Ballistic Properties of AA6070 Aluminium Plates. NTNU
Masters thesis
Fyllingen, Ørjan; Langmoen, Erik Christoffer; Langseth, Magnus; Hopperstad, Odd Sture. (2012) Transition from progressive buckling to global bending of square aluminium tubes. International Journal of Impact Engineering
Academic article

2011

Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2011) Fracture mechanisms of aluminium alloy AA7075-T651 under various loading conditions. Materials & design
Academic article
Delhaye, Virgile Roger; Clausen, Arild Holm; Moussy, F; Othman, R; Hopperstad, Odd Sture. (2011) Influence of stress state and strain rate on the behaviour of a rubber-particle reinforced polypropylene. International Journal of Impact Engineering
Academic article
Kane, Alexandre; Børvik, Tore; Berstad, Torodd; Benallal, A; Hopperstad, Odd Sture. (2011) Failure criteria with unilateral conditions for simulation of plate perforation. European Journal of Mechanics. A, Solids
Academic article
Benallal, A; Berstad, Torodd; Børvik, Tore; des Codes, RN; Hopperstad, Odd Sture. (2011) Computational aspects in presence of negative strain-rate sensitivity with application to aluminium alloys exhibiting the Portevin-Le Chatelier effect. Modelling and Simulation in Materials Science and Engineering
Academic article
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture. (2011) Computer-aided design of protective structures: Numerical simulations and experimental validation. Applied Mechanics and Materials
Academic article
Achani, Dasharatha; Lademo, Odd-Geir; Engler, Olaf; Hopperstad, Odd Sture. (2011) Evaluation of constitutive models for textured aluminium alloys using plane-strain tension and shear tests. International Journal of Material Forming
Academic article
Saai, Afaf; Dumoulin, Stephane; Hopperstad, Odd Sture. (2011) Influence of Texture and Grain Shape on the Yield Surface in Aluminium Sheet Material Subjected to Large Deformations. AIP Conference Proceedings
Academic article
De Codes, RN; Hopperstad, Odd Sture; Engler, O; Lademo, Odd-Geir; Embury, JD; Benallal, A. (2011) Spatial and Temporal Characteristics of Propagating Deformation Bands in AA5182 Alloy at Room Temperature. Metallurgical and Materials Transactions A
Academic article
Westermann, Ida; Snilsberg, Knut Erik; Sharifi, Z; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2011) Three-Point Bending of Heat-Treatable Aluminum Alloys: Influence of Microstructure and Texture on Bendability and Fracture Behavior. Metallurgical and Materials Transactions A
Academic article
Fourmeau, Marion; Børvik, Tore; Benallal, A; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2011) On the plastic anisotropy of an aluminium alloy and its influence on constrained multiaxial flow. International journal of plasticity
Academic article
Fransplass, Henning; Langseth, Magnus; Hopperstad, Odd Sture. (2011) Tensile behaviour of threaded steel fasteners at elevated rates of strain. International Journal of Mechanical Sciences
Academic article
Gruben, Gaute; Fagerholt, Egil; Hopperstad, Odd Sture; Børvik, Tore. (2011) Fracture characteristics of a cold-rolled dual-phase steel. European Journal of Mechanics. A, Solids
Academic article
Chen, Yan; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2011) Application of a split-Hopkinson tension bar in a mutual assessment of experimental tests and numerical predictions. International Journal of Impact Engineering
Academic article

2010

Ognedal, Anne Serine; Clausen, Arild Holm; Hopperstad, Odd Sture; Polanco-Loria, Mario; Benallal, Ahmed; raka, bumedijen. (2010) Experimental and numerical study on the behaviour of PVC and HDPE in biaxial tension.
Academic chapter/article/Conference paper
Clausen, Arild Holm; Hovden, Martin Thuve; Polanco-Loria, Mario; Berstad, Torodd; Hopperstad, Odd Sture. (2010) Constitutive nodel for thermoplastics - calibration and validation.
Academic chapter/article/Conference paper
Delhaye, Virgile Roger; Clausen, Arild Holm; Hopperstad, Odd Sture; Moussy, Francois; Othman, Ramzi; nesa, daniel. (2010) Behaviour and modelling of a rubber-modified polypropylene.
Academic chapter/article/Conference paper
Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2010) SPECIAL ISSUE: IMPACT LOADING OF LIGHTWEIGHT STRUCTURES Preface. International Journal of Impact Engineering
Editorial
Fagerholt, Egil; Dørum, Cato; Børvik, Tore; Laukli, Hans Ivar; Hopperstad, Odd Sture. (2010) Experimental and numerical investigation of fracture in a cast aluminium alloy. International Journal of Solids and Structures
Academic article
Delhaye, Virgile Roger; Clausen, Arild Holm; Moussy, F; Hopperstad, Odd Sture; Othman, R. (2010) Mechanical response and microstructure investigation of a mineral and rubber modified polypropylene. Polymer testing
Academic article
Polanco-Loria, Mario A.; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2010) Constitutive model for thermoplastics with structural applications. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Engler, Olaf; Aegerter, J; Berstad, Torodd; Benallal, A; Hopperstad, Odd Sture. (2010) Strain-Rate Sensitivity of Aluminum Alloys AA1200 and AA3103. Journal of engineering materials and technology
Academic article
Børvik, Tore; Lange, Hans Iver; Marken, LA; Langseth, Magnus; Hopperstad, Odd Sture; Aursand, M. (2010) Pipe fittings in duplex stainless steel with deviation in quality caused by sigma phase precipitation. Materials Science & Engineering: A
Academic article
Westermann, Ida; Snilsberg, Knut Erik; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2010) Bendability and Fracture Behaviour of Heat-treatable Extruded Aluminium Alloys.
Academic chapter/article/Conference paper
Benallal, A; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture. (2010) Uniqueness, loss of ellipticity and localization for the time-discretized, rate-dependent boundary value problem with softening. International Journal for Numerical Methods in Engineering
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Pedersen, Ketill Olav. (2010) Quasi-brittle fracture during structural impact of AA7075-T651 aluminium plates. International Journal of Impact Engineering
Academic article
Dumoulin, Stephane; Louche, H; Hopperstad, Odd Sture; Børvik, Tore. (2010) Heat sources, energy storage and dissipation in high-strength steels: Experiments and modelling. European Journal of Mechanics. A, Solids
Academic article
Moe, Heidi; Fredheim, Arne; Hopperstad, Odd Sture. (2010) Structural analysis of aquaculture net cages in current. Journal of Fluids and Structures
Academic article
Dørum, Cato; Lademo, Odd-Geir; Myhr, Ole Runar; Berstad, Torodd; Hopperstad, Odd Sture. (2010) Finite element analysis of plastic failure in heat-affected zone of welded aluminium connections. Computers & structures
Academic article
Fourmeau, Marion; Børvik, Tore; Benallal, A.; Hopperstad, Odd Sture. (2010) On the fracture locus of AA7075-T651. Proceedings of the International Conference on Experimental Mechanics
Academic article
Kane, Alexandre; Østby, Erling; Lademo, Odd-Geir; Berstad, Torodd; Hopperstad, Odd Sture. (2010) EFFECTS OF THE YIELD CRITERION ON PREDICTED FRACTURE RESPONSES OF PIPELINES SUBJECTED TO LARGE PLASTIC DEFORMATION WITH AND WITHOUT INTERNAL PRESSURE. The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2010) Work-hardening behaviour of a heat-treatable AA7108 aluminium alloy deformed to intermediate strains by compression. Journal of Materials Science
Academic article
Snilsberg, Knut Erik; Westermann, Ida; Holmedal, Bjørn; Hopperstad, Odd Sture; Langsrud, Yngve; Marthinsen, Knut. (2010) Anisotropy of Bending Properties in Industrial Heat-treatable Extruded Aluminium Alloys. Materials Science Forum
Academic article
Rønning, Lars; Hopperstad, Odd Sture; Larsen, Per Kristian. (2010) Numerical study of the effects of constitutive models on plastic buckling of plate elements. European Journal of Mechanics. A, Solids
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Tarigopula, Venkatapathi. (2010) On material batch variation of the dual phase steel DP800. International Journal of Material Forming
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Hanssen, Arve Grønsund; Langseth, Magnus. (2010) Modelling of tubes subjected to axial crushing. Thin-walled structures
Academic article

2009

Dørum, Cato; Dispinar, D.; Hopperstad, Odd Sture; Berstad, Torodd. (2009) A probabilistic approach for modelling of fracture in magnesium die-castings. La Metallurgia Italiana
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2009) An evaluation of a combined isotropic-kinematic hardening model for representation of complex strain-path changes in dual-phase steel. European Journal of Mechanics. A, Solids
Academic article
Dumoulin, Stephane C.; Hopperstad, Odd Sture; Berstad, Torodd. (2009) Investigation of integration algorithms for rate-dependent crystal plasticity using explicit finite element codes. Computational Materials Science
Academic article
Achani, Dasharatha; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2009) Behaviour of extruded aluminium alloys under proportional and non-proportional strain paths. Journal of Materials Processing Technology
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Berstad, Torodd; Dispinar, D. (2009) Numerical modelling of magnesium die-castings using stochastic fracture parameters. Engineering Fracture Mechanics
Academic article
Lademo, Odd-Geir; Engler, Olaf; Keller, S; Berstad, Torodd; Pedersen, Ketill Olav; Hopperstad, Odd Sture. (2009) Identification and validation of constitutive model and fracture criterion for AlMgSi alloy with application to sheet forming. Materials & design
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Ageing and work-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science & Engineering: A
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Robustness study on the behaviour of top-hat thin-walled high-strength steel sections subjected to axial crushing. International Journal of Impact Engineering
Academic article
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Low velocity perforation of AA5083-H116 aluminium plates. International Journal of Impact Engineering
Academic article
Alsos, Hagbart Skage; Amdahl, Jørgen; Hopperstad, Odd Sture. (2009) On the resistance to penetration of stiffened plates, Part II: Numerical analysis. International Journal of Impact Engineering
Academic article
Børvik, Tore; Forrestal, M.J.; Hopperstad, Odd Sture; Warren, T.L.; Langseth, Magnus. (2009) Perforation of AA5083-H116 aluminium plates with conical-nose steel projectiles - Calculations. International Journal of Impact Engineering
Academic article
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Quasi-static perforation of thin aluminium plates. International Journal of Impact Engineering
Academic article
Reyes, Aase Gavina Roberg; Eriksson, Magnus; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Assessment of yield and fracture criteria using shear and bending tests. Materials & design
Academic article
Dørum, Cato; Laukli, Hans Ivar; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Structural behaviour of Al-Si die-castings: Experiments and numerical simulations. European Journal of Mechanics. A, Solids
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2009) Estimation of forming limit diagrams by the use of the finite element method and Monte Carlo simulation. Computers & structures
Academic article
Dørum, Cato; Laukli, Hans Ivar; Hopperstad, Odd Sture. (2009) Through-process numerical simulations of the structural behaviour of Al-Si die-castings. Computational Materials Science
Academic article
Moe, Heidi; Gaarder, RH; Olsen, Anna; Hopperstad, Odd Sture. (2009) Resistance of aquaculture net cage materials to biting by Atlantic Cod (Gadus morhua). Aquacultural Engineering
Academic article
Kane, Alexandre; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Finite Element Analysis of Plugging Failure in Steel Plates Struck by Blunt Projectiles. Journal of applied mechanics
Academic article
Achani, Dasharatha; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2009) Influence of advanced yield criteria on predictions of plastic anisotropy for aluminium alloy sheets. International Journal of Material Forming
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Lademo, Odd-Geir. (2009) Forming limit diagrams with an FE-based approach for sheets under non-proportional loading.
Academic chapter/article/Conference paper
Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2009) A Constitutive Model for Thermoplastics Intended for Structural Applications.
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2009) Behaviour and Modelling of Dual-Phase Steels.
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Clausen, Arild Holm; Langseth, Magnus. (2009) Effect of pre-straining on localisation and fracture of dual-phase steel at elevated rates of strain. EDP Sciences
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Albertini, Carlo; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2009) A hydro-pneumatic machine for intermediate strain-rates: Set-up, tests and numerical simulations. EDP Sciences
Academic chapter/article/Conference paper
Clausen, Arild Holm; Polanco-Loria, Mario A.; Moura, Rafael Traldi; Alves, Marcilio; Berstad, Torodd; Langseth, Magnus. (2009) Polymer plates subjected to impact: Experimental tests and numerical simulations. EDP Sciences
Academic chapter/article/Conference paper
Chen, Yan; Hopperstad, Odd Sture; Clausen, Arild Holm; Børvik, Tore; Berstad, Torodd. (2009) Finite element analyses of Charpy tests on extruded aluminium alloys. EDP Sciences
Academic chapter/article/Conference paper
Børvik, Tore; Aunehaugen, Heidi; Hopperstad, Odd Sture. (2009) Impact behaviour of the high-strength aluminium alloy AA7075-T651. EDP Sciences
Academic chapter/article/Conference paper
Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Langseth, Magnus. (2009) On the main mechanisms in ballistic perforation of steel plates at sub-ordnance impact velocities. Springer
Academic chapter/article/Conference paper
Chen, Yan; Pedersen, Ketill Olav; Clausen, Arild Holm; Hopperstad, Odd Sture. (2009) An experimental study on the dynamic fracture of extruded AA6xxx and AA7xxx aluminium alloys. Materials Science & Engineering: A
Academic article
Chen, Yan; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Stress-strain behaviour of aluminium alloys at a wide range of strain rates. International Journal of Solids and Structures
Academic article
Moe, Heidi; Hopperstad, Odd Sture; Ivanova, Anna ; Jensen, Østen; Fredheim, Arne. (2009) Temporary-creep and post-creep properties of aquaculture netting materials. Ocean Engineering
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Work- and age-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science Forum
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Hanssen, Arve Grønsund; Langseth, Magnus. (2009) Brick versus shell elements in simulations of aluminium extrusions subjected to axial crushing.
Other
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Robustness study of top-hat sections of high strength steel subjected to axial crushing.
Other

2008

Benallal, A; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture; Koutiri, I; de Codes, RN. (2008) An experimental and numerical investigation of the behaviour of AA5083 aluminium alloy in presence of the Portevin-Le Chatelier effect. International journal of plasticity
Academic article
Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture; Nogueira de Codes, R. (2008) Effects of strain rate on the characteristics of PLC deformation bands for AA5083-H116 aluminium alloy. Philosophical Magazine
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Lademo, Odd-Geir. (2008) Prediction of necking for two aluminum alloys under non-proportional loading by using an FE-based approach. International Journal of Material Forming
Academic article
Grytten, Frode; Holmedal, Bjørn; Hopperstad, Odd Sture; Børvik, Tore. (2008) Evaluation of identification methods for YLD2004-18p. International journal of plasticity
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2008) Simulations of a top-hat section subjected to axial crushing taking into account material and geometry variations. International Journal of Solids and Structures
Academic article
Pedersen, Ketill O.; Roven, Hans Jørgen; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2008) Strength and ductility of aluminium alloy AA7030. Materials Science & Engineering: A
Academic article
Alsos, Hagbart Skage; Hopperstad, Odd Sture; Törnqvist, Rikard; Amdahl, Jørgen. (2008) Analytical and numerical analysis of sheet metal instability using a stress based criterion. International Journal of Solids and Structures
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2008) Elastic-plastic behaviour of dual-phase, high-strength steel under strain-path changes. European Journal of Mechanics. A, Solids
Academic article
Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture; Nogueira de Codes, R. (2008) On the Measurement and Evaluation of the Width of Portevin–Le Chatelier Deformation Bands with Application to AA5083-H116 Aluminium Alloy. Springer
Academic chapter/article/Conference paper
Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Wierzbicki, Thomaz. (2008) Ballistic Resistance of Double-layered Metal Sheets.
Academic chapter/article/Conference paper
Lademo, Odd-Geir; Eriksson, Magnus; Hopperstad, Odd Sture; Langseth, Magnus. (2008) Characterization and modeling of failure in ductile sheet metals.
Academic chapter/article/Conference paper
Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A modified Boyce-Raghava model for constitutive modelling of thermoplastics.
Academic chapter/article/Conference paper
Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A Constitutive Model for Thermoplastics in Structural Applications.
Other
Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm; Hild, Francois. (2008) Characterization of localization and large plastic deformations in dual-phase steel using digital image correlation.
Other
Dørum, Cato; Dispinar, D; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A probabilistic approach for modelling of fracture in magnesium die-castings.
Other
Dørum, Cato; Hopperstad, Odd Sture; Berstad, Torodd; Laukli, Hans Ivar. (2008) A probabilistic approach for modelling fracture in die-castings.
Other
Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture. (2008) Influence of Element Formulation on the Axial Crushing of Thin-walled Dual-Phase Steel Square Sections.
Other
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2008) Numerical Modelling of the Mechanical Behaviour of Dual-Phase Steels.
Other
Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Wierzbicki, Thomaz; Teng, X. (2008) Ballistic Resistance of Double-Layered Metal Plates.
Other
Lademo, Odd-Geir; Berstad, Torodd; Eriksson, Magnus; Tryland, Tore Helge; Furu, Trond; Hopperstad, Odd Sture. (2008) A model for process-based crash simulation. International Journal of Impact Engineering
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm; Hild, Francois. (2008) A study of localisation in dual-phase high-strength steels under dynamic loading using digital image correlation and FE analysis. International Journal of Solids and Structures
Academic article
Pedersen, Ketill Olav; Lademo, Odd-Geir; Berstad, Torodd; Furu, Trond; Hopperstad, Odd Sture. (2008) Influence of texture and grain structure on strain localisation and formability for AlMgSi alloys. Journal of Materials Processing Technology
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm; Hild, F; Lademo, Odd-Geir. (2008) A study of large plastic deformations in dual phase steel using digital image correlation and FE analysis. Experimental mechanics
Academic article
Polanco-Loria, Mario A.; Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd. (2008) Numerical predictions of ballistic limits for concrete slabs using a modified version of the HJC concrete model. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Pedersen, Ketill Olav; Berstad, Torodd; Furu, Trond; Hopperstad, Odd Sture. (2008) An experimental and numerical study on the formability of textured AlZnMg alloys. European Journal of Mechanics. A, Solids
Academic article
Reyes, Aase Gavina Roberg; Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir; Eriksson, Magnus. (2008) Validation study of failure prediction in crash analysis.
Academic chapter/article/Conference paper

2007

Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2007) On the influence of constitutive relation in projectile impact of steel plates. International Journal of Impact Engineering
Academic article
Moe, Heidi; Olsen, Anna; Hopperstad, Odd Sture; Jensen, Østen; Fredheim, Arne. (2007) Tensile properties for netting materials used in aquaculture net cages. Aquacultural Engineering
Academic article
Wang, Ting; Hopperstad, Odd Sture; Lademo, Odd-Geir; Larsen, Per Kristian. (2007) Finite element analysis of welded beam-to-column joints in aluminium alloy EN AW 6082 T6. Finite elements in analysis and design
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2007) Numerical modelling of the structural behaviour of thin-walled cast magnesium components using a through-process approach. Materials & design
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Lademo, Odd-Geir; Benallal, Ahmed. (2007) A numerical study on the influence of the Portevin-Le Chatelier effect on necking in an aluminium alloy. Modelling and Simulation in Materials Science and Engineering
Academic article
Dey, Sumita; Børvik, Tore; Teng, Xiaoqing; Wierzbicki, Thomaz; Hopperstad, Odd Sture. (2007) On the ballistic resistance of double-layered steel plates: An experimental and numerical investigation. International Journal of Solids and Structures
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2007) Energy absorption capacity for thin-walled AM60 castings using a shear-bolt principle. Computers & structures
Academic article
Aretz, Holger; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2007) Yield function calibration for orthotropic sheet metals based on uniaxial and plane strain tensile tests. Journal of Materials Processing Technology
Academic article
Wang, Ting; Hopperstad, Odd Sture; Lademo, Odd-Geir; Larsen, Per Kristian. (2007) Finite element modelling of welded aluminium members subjected to four-point bending. Thin-walled structures
Academic article
Alsos, Hagbart Skage; Hopperstad, Odd Sture; Amdahl, Jørgen. (2007) Prediction of rupture in collision and grounding using the BWH failure criterion.
Academic chapter/article/Conference paper
Kokkula, Satyanarayana; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir. (2007) High speed offset impact behaviour of an automotive bumper beam-longitudinal system.
Academic chapter/article/Conference paper
Chen, Yan; Hopperstad, Odd Sture; Lademo, Odd-Geir; Clausen, Arild Holm; Berstad, Torodd; Langseth, Magnus. (2007) Preliminary simulations of the instrumented Charpy V-notch impact test. Tapir Akademisk Forlag
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Clausen, Arild Holm; Langseth, Magnus. (2007) Effect of pre-straining on the dynamic mechanical behaviour of dual-phase high-strength steel alloys.
Academic chapter/article/Conference paper
Achani, Dasharatha; Eriksson, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2007) Modelling of local necking and fracture in aluminum alloys. AIP Publishing (American Institute of Physics)
Academic chapter/article/Conference paper
Chen, Yan; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2007) Behaviour of aluminium alloys under elevated rates of strain.
Academic chapter/article/Conference paper
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2007) Stochastic simulations of square aluminium tubes subjected to axial loading. International Journal of Impact Engineering
Academic article
Solberg, Jan Ketil; Leinum, John Rasmus; Embury, JD; Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture. (2007) Localised shear banding in Weldox steel plates impacted by projectiles. Mechanics of materials (Print)
Academic article

2006

Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2006) Axial crushing of thin-walled high-strength steel sections. International Journal of Impact Engineering
Academic article
Kokkula, Satyanarayana; Hopperstad, Odd Sture; Lademo, Odd-Geir; Berstad, T; Langseth, Magnus. (2006) Offset impact behaviour of bumper beam-longitudinal systems: numerical simulations. International Journal of Crashworthiness
Academic article
Kokkula, Satyanarayana; Langseth, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2006) Offset impact behaviour of bumper beam-longitudinal systems: experimental investigations. International Journal of Crashworthiness
Academic article
Venkatapathi, Tarigopula; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2006) Axial crushing of thin-walled high-strength steel sections. International Journal of Impact Engineering
Academic article
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2006) On the influence of fracture criterion in projectile impact of steel plates. Computational Materials Science
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2006) Modeling of textured aluminum alloys used in a bumper system: Material tests and characterization. Computational Materials Science
Academic article
Wang, Ting; Hopperstad, Odd Sture; Larsen, Per Kristian; Lademo, Odd-Geir. (2006) Evaluation of a finite element modelling approach for welded aluminium structures. Computers & structures
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Berstad, T; Benallal, A. (2006) Finite element simulations of the Portevin-Le Chatelier effect in aluminium alloy. Journal de Physique IV : Colloque
Academic article
Eriksson, Magnus; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2006) Development and use of in-plane shear tests to identify ductile failure parameters of aluminium alloys.
Academic chapter/article/Conference paper
Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Lademo, Odd-Geir; Benallal, Ahmed. (2006) A preliminary numerical study on the influence of PLC on formability of aluminium alloys.
Academic chapter/article/Conference paper
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2006) On the Quasi-Static Perforation Resistance of Circular AA5083-H116 Aluminium Plates.
Academic chapter/article/Conference paper
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2006) Simulations of Axially Loaded Straight Aluminium Profiles with Random Geometric Imperfections.
Academic chapter/article/Conference paper
Reyes, Aase Gavina Roberg; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2006) Bending of extruded aluminum plates.
Academic chapter/article/Conference paper
Berstad, Torodd; Hopperstad, Odd Sture; Clausen, Arild Holm; Ilstad, Håvar; Melve, Bjørn. (2006) Implementation of Constitutive Model for Thermoplastics with some Preliminary Results.
Academic chapter/article/Conference paper
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2006) An experimental study on the energy absorption capacity of thin-walled castings. International Journal of Impact Engineering
Academic article
Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture. (2006) Dynamic strain aging and related instabilities: experimental, theoretical and numerical aspects. European Journal of Mechanics. A, Solids
Academic article
Kokkula, Satyanarayana (Satya); Langseth, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2006) Behaviour of an automotive bumper beam-longitudinal system at 40 % offset impact: an experimental and numerical study. Latin American Journal of Solids and Structures
Academic article

2005

Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Clausen, Arild Holm; Benallal, Ahmed. (2005) A hypoelastic-viscoplastic constitutive model in LS-DYNA for dynamic strain aging – the McCormick model. Institutt for konstruksjonsteknikk, NTNU
Report
Hanssen, Arve Grønsund; Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Design and finite element simulations of aluminium foam-filled thin-walled tubes. International Journal of Vehicle Design
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Dey, Sumita; Pizzinato, E.V.; Langseth, Magnus; Albertini, C. (2005) Strength and ductility of Weldox 460 E steel at high strain rates, elevated temperatures and various stress triaxialities. Engineering Fracture Mechanics
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2005) "FEM and a microstructure based work hardening model used to calculate forming limit curves". International Journal of Forming Processes
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2005) Numerical modelling of the structural behaviour of thin-walled cast magnesium components. International Journal of Solids and Structures
Academic article
Børvik, Tore; Clausen, Arild Holm; Eriksson, Magnus; Berstad, Torodd; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Experimental and numerical study on the perforation of AA6005-T6 panels. International Journal of Impact Engineering
Academic article
Achani, Dasharatha; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2005) Behaviour of extruded aluminium alloy sheets under non-proportional loading.
Academic chapter/article/Conference paper
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus; Sannes, Stian. (2005) Energy Absorption Capacity for HPDC components.
Academic chapter/article/Conference paper
Lademo, Odd-Geir; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2005) Prediction of plastic instability and fracture in extruded aluminium alloys in shell element analysis.
Academic chapter/article/Conference paper
Fjeldbo, Snorre Kjørstad; Holmedal, Bjørn; Lademo, Odd-Geir; Bjerkaas, Hans; Støren, Sigurd; Roven, Hans Jørgen. (2005) A numerical study on the onset of plastic instability in extruded materials with strong through-thickness texture variation.
Academic chapter/article/Conference paper
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Numerical simulations of perforation of AA5083-H116 plates.
Academic chapter/article/Conference paper
Wang, Ting; Hopperstad, Odd Sture; Larsen, Per Kristian; Lademo, Odd-Geir. (2005) Evaluation of a finite element approach for welded aluminium structures. WIT Press
Academic chapter/article/Conference paper
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus; Sannes, Stian. (2005) Numerical Modelling of the Structural Behavior of Thin-Walled Cast Magnesium Components Using a Through-Process Approach.
Academic chapter/article/Conference paper
Venkatapathi, Tarigopula; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2005) An experimental and numerical study of energy absorption in thin-walled high-strength steel sections. WIT Press
Academic chapter/article/Conference paper
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2005) Material characterization and modeling of textured aluminum alloys used in a bumper system. WIT Press
Academic chapter/article/Conference paper
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Influence of the constitutive relation in numerical simulations of the perforation of steel plates. WIT Press
Academic chapter/article/Conference paper
Kokkula, Satyanarayana; Langseth, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2005) Behaviour of an automotive bumper beam-longitudinal system at 40% offset impact: An experimental and numerical study. WIT Press
Academic chapter/article/Conference paper
Lademo, Odd-Geir; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2005) Prediction of plastic instability in extruded aluminium alloys using shell analysis and a coupled model of elasto-plasticity and damage. Journal of Materials Processing Technology
Academic article
Jensen, Østen; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Transition from progressive to global buckling of aluminium extrusions - a numerical study. International Journal of Crashworthiness
Academic article

2004

Lademo, Odd-Geir; Berstad, Torodd; Pedersen, Ketill Olav; Hopperstad, Odd Sture. (2004) A numerical tool for formability analysis of aluminium alloys. Steel Grips - Journal of Steel and Related Materials
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Hanssen, Arve Grønsund; Langseth, Magnus. (2004) Modeling of material failure in foam-based components. International Journal of Impact Engineering
Academic article
Clausen, Arild Holm; Børvik, Tore; Hopperstad, Odd Sture; Benallal, Ahmed. (2004) Flow and fracture characteristics of aluminium alloy AA5083-H116 as function of strain rate, temperature and triaxiality. Materials Science & Engineering: A
Academic article
Lademo, Odd-Geir; Berstad, Torodd; Pedersen, Ketill Olav; Hopperstad, Odd Sture. (2004) A numerical tool for formability analysis of aluminium alloys: Part II. Steel Grips - Journal of Steel and Related Materials
Academic article
Lademo, Odd-Geir; Berstad, Torodd; Eriksson, Magnus; Tryland, Tore; Furu, Trond; Hopperstad, Odd Sture. (2004) "A model for process-based crash simulation". International Journal of Crashworthiness
Academic article
Jensen, Østen; Langseth, Magnus; Hopperstad, Odd Sture. (2004) Experimental investigations on the behaviour of short to long square aluminium tubes subjected to axial loading. International Journal of Impact Engineering
Academic article
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Leinum, John Rasmus; Langseth, Magnus. (2004) The effect of target strength on the perforation of steel plates using three different projectile nose shapes. International Journal of Impact Engineering
Academic article
Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2004) Perforation of AA5083-H116 aluminium plates with conical-nose steel projectiles-experimental study. International Journal of Impact Engineering
Academic article
Furu, Trond; Johansen, Arve; Sæter, Jan Anders; Dons, Anne Lise; Pedersen, Ketill Olav; Berstad, Torodd. (2004) Through process modeling of extrusion: Evolution in microstructure and mechanical properties through the hole process chain from as cast and homogenized condition to forming of profiles. Aluminium
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2004) FEM and a microstructure based work hardening model used to calculate forming limit curves. Esaform Conference on Material Forming. ESAFORM : Proceedings
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus. (2004) Aluminum foam-filled extrusions subjected to oblique loading: experimental and numerical study. International Journal of Solids and Structures
Academic article
Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2004) High-strength steel plates subjected to projectile impact - An experimental and numerical study. NTNU
Doctoral dissertation

2003

Clausen, Arild Holm; Børvik, Tore; Hopperstad, Odd Sture. (2003) Material tests and calibration of flow and fracture models for aluminium alloy AA5083. [Mangler utgivernavn]
Report
Clausen, Arild Holm; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Impact resistance of AA6005 panels. Journal de Physique IV : Colloque
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Performation of AA5083-H116 aluminium plates with concial-nose steel projectiles - experimental study. International Journal of Impact Engineering
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Berstad, Torodd. (2003) On the Influence of Stress Triaxiality and Strain Rate on the Behaviour of a structural Steel. Part II. Numerical study. European Journal of Mechanics. A, Solids
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir. (2003) Aluminium and magnesium castings - experimental work and numerical analysis. International Journal of Crashworthiness
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus; Labibes, K.; Albertini, C.. (2003) On the Influence of Stress Triaxiality and Stain Rate on the Behaviour of a Structural Steel. Part I. Experiments. European Journal of Mechanics. A, Solids
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Reyes, Aase Gavina Roberg; Langseth, Magnus; Solomos, G.; Dyngeland, Torbjørn. (2003) Empty and foam-filled circular aluminium tubes subjected to axial and oblique quasi-static loading. International Journal of Crashworthiness
Academic article
Benallal, Ahmed; Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture. (2003) Dynamic Strain Aging, Negative Strain-Rate Sensitivity and Related Instabilities. Technische Mechanik
Academic article
Børvik, Tore; Langseth, Magnus; Malo, Kjell A.; Hopperstad, Odd Sture. (2003) Effect of Target Thickness in Blunt Projectile Peneration of Weldox 460 E Steel Plates. International Journal of Impact Engineering
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Hanssen, Arve Grønsund; Langseth, Magnus. (2003) Constitutive modeling of aluminum foam including fracture and statistical variation of density. European Journal of Mechanics. A, Solids
Academic article
Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2003) Square aluminum tubes subjected to oblique loading. International Journal of Impact Engineering
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Crash behavior of obliquely loaded foam-filled aluminum extrusions.
Academic chapter/article/Conference paper

2002

Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2002) Implementation of a material model for aluminum foam in LS-DYNA. Department of Structural Engineering
Report
Børvik, Tore; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2002) Perforation of 12 mm Thick Steel Plates by 20 mm diameter Projectiles with Blunt, Hemispherical and Conical Noses, Part II: Numerical Simulations. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Hopperstad, Odd Sture; Malo, Kjell A.; Pedersen, K.O.. (2002) Modelling of plastic anisotropy in heat-treated aluminium extrusions. Journal of Materials Processing Technology
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus; Labibes, K.; Albertini, C.. (2002) On the Influence of Stress Triaxiality and Strain Rate on the Behaviour of Structural Steel. European Journal of Mechanics. A, Solids
Academic article
Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Malo, Kjell A.. (2002) Preforation of 12 mm Thick Steel Plates by 20 mm diameter Projectiles with Blunt, Hemispherical and Conical Noses, Part I: Experimental Study. International Journal of Impact Engineering
Academic article
Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Crashworthiness of aluminum extrusions subjected to oblique loading: experiments and numerical analyses. International Journal of Mechanical Sciences
Academic article
Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2002) Validation of constitutive models applicable to aluminium foams. International Journal of Mechanical Sciences
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2002) Stretch Bending of Aluminium Extrusions. International Journal of Applied Mechanics and Engineering
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Crash behaviour of foam-based components: validation and numerical simulations. Advanced Engineering Materials
Academic article
Hildrum, Hilde Giæver; Berstad, Torodd; Lademo, Odd-Geir; Malo, Kjell A.; Hopperstad, Odd Sture. (2002) An Introductory FEM Study of Strain Localisation in Welded Aluminium Structures. Part II: Fiilet Weld. [Mangler utgivernavn]
Report
Hildrum, Hilde Giæver; Hopperstad, Odd Sture. (2002) Rigid Body Weld Constraint in LS-DYNA for Welded Aluminium Structures: An Introductory Study. [Mangler utgivernavn]
Report
Hopperstad, Odd Sture; Lademo, Odd-Geir; Malo, Kjell A.. (2002) A compression test for identification of stress and strain behaviour in balanced biaxial tension: Preliminary Considerations. SINTEF Rapport
Report
Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2002) Aluminium foam-based crash box for Renault bumper system. [Mangler utgivernavn]
Report
Hopperstad, Odd Sture; Børvik, Tore; Pizzinato, E.V.; Langseth, Magnus; Albertini, C.. (2002) On the influence of strain rate, temperature and stress triaxiality on strength and ductility of a structural steel: Experiments, constitutive relations and fracture criteria. [Mangler utgivernavn]
Report
Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Crash behavior of obliquely loaded aluminum extrusions. WIT Press
Academic chapter/article/Conference paper

2001

Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 6: Experimental and numerical results. SINTEF Materialteknologi
Report
Lademo, Odd-Geir; Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analysis. Report 3: Material testing. SINTEF Materialteknologi
Report
Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 1: Project introduction and executive summary. SINTEF Materialteknologi
Report
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2001) Optimum design for energy absorption of square aluminium columns with aluminium foam filler. International Journal of Mechanical Sciences
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Sensitivity of model parameters in stretch bending of aluminium extrusions. International Journal of Mechanical Sciences
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Sensitivity of model parameters in stretch bending of aluminium extrusions. International Journal of Mechanical Sciences
Academic article
Børvik, Tore; Leinum, John Rasmus; Solberg, Jan Ketil; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Observations on shear plug formation in Weldox 460 E steel plates impacted by blunt-nosed projectiles. International Journal of Impact Engineering
Academic article
Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Design of aluminium foam-filled crash boxes with square and circular cross sections. International Journal of Crashworthiness
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Berstad, T; Langseth, Magnus. (2001) Numerical Simulation of Plugging Failure in Ballistic Penetration. International Journal of Solids and Structures
Academic article
Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Berstad, T. (2001) A Computational Model of Viscoplasticity and Ductile Damage for Impact and Penetration. European Journal of Mechanics. A, Solids
Academic article
Malo, Kjell A.; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2001) Characterisation of Plastic Anisotropy by simple Mechanical Tests. Report R-11-01
Report
Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 5: FE modelling of components. SINTEF Materialteknologi
Report
Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 4: Experimental test set-up for components. SINTEF Materialteknologi
Report
Lademo, Odd-Geir; Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 2: Overview of constitutive modelling of aluminium extrusions. SINTEF Materialteknologi
Report
Clausen, Arild Holm; Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore. (2001) Uniaxial Tensile Tests on Weldox Steels at Different Strain Rates. Institutt for konstruksjonsteknikk, NTNU
Report

2000

Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2000) Bending of Square Aluminium Extrusions with Aluminium Foam Filler. Acta Mechanica
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2000) Static and Dynamic Crushing of Circular Aluminium Extrusions with Aluminium Foam Filler. International Journal of Impact Engineering
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2000) Static and Dynamic Crushing of Square Aluminium Extrusions with Aluminium Foam Filler. International Journal of Impact Engineering
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2000) Stretch bending of aluminium extrusions for car bumpers. Journal of Materials Processing Technology
Academic article
Hanssen, Arve Grønsund; Lorenzi, Lorenzo; Berger, Karl Kristian; Langseth, Magnus; Hopperstad, Odd Sture. (2000) A Demonstrator Bumper System Based on Aluminium Foam Filled Crash Boxes. International Journal of Crashworthiness
Academic article
Tryland, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2000) Design of Experiments to Identify Material Properties. Materials & design
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2000) Analysis of plugging failure in blunt projectile impact of steel plates using the Bai-Johnson model. Institutt for konstruksjonsteknikk, NTNU
Report
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2000) Prediction of ductile tensile failure in structural steel using a fracture model based on continuum damage mechanics. Institutt for konstruksjonsteknikk, NTNU
Report
Hopperstad, Odd Sture; Børvik, Tore; Dey, Sumita; Langseth, Magnus. (2000) Neural network-based model for perforation of steel plates. Institutt for konstruksjonsteknikk, NTNU
Report

1999

Tryland, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (1999) Nonperfect Aluminum Beams Subjected to Concentrated Loading. Journal of Structural Engineering
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (1999) Static crushing of square aluminium extrusions with aluminium foam filler. International Journal of Mechanical Sciences
Academic article
Hopperstad, Odd Sture; Leira, Bernt Johan; Remseth, Svein N; Trømborg, Egil. (1999) Reliability-based analysis of a stretch-loading process for aluminium extrusions. Computers & structures
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (1999) Static Crushing of Square Aluminium Extrusions with Aluminium Foam Filler. International Journal of Mechanical Sciences
Academic article
Hopperstad, Odd Sture; Langseth, Magnus; Tryland, Tore. (1999) Ultimate Strength of Aluminium Alloy Outstands in Compression: Experiments and Simplified Analysis. Thin-walled structures
Academic article
Langseth, Magnus; Hopperstad, Odd Sture; Berstad, Torodd. (1999) Impact loading of plates. Validation of numerical simulations by testing. International Journal of Offshore and Polar Engineering
Academic article
Langseth, Magnus; Hopperstad, Odd Sture; Berstad, Torodd. (1999) Crashworthiness of Aluminium Extrusions: Validation of Numerical Simulations, Effect of Mass Ratio and Impact Velocity. International Journal of Impact Engineering
Academic article
Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Malo, Kjell A.. (1999) Ballistic Penetration of Steel Plates. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (1999) An Evaluation of Yield Criteria and Flow Rules for Extruded Aluminium Alloys. International journal of plasticity
Academic article
Moen, Lars A.; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Rotational Capacity of Aluminium Beams under Moment Gradient: Experiments. Journal of Structural Engineering
Academic article
Moen, Lars A.; De Matteis, G.; Hopperstad, Odd Sture; Langseth, Magnus; Landolfo, R.; Mazzolani, F.M.. (1999) Rotational Capacity of Aluminium Beams under Moment Gradient: Numerical Simulations. Journal of Structural Engineering
Academic article
Tryland, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Steel girders subjected to concentrated loading - Validation of numerical simulations. Journal of constructional steel research
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Stretch Bending of Aluminium Extrusions: Effect of Geometry and Alloy. Journal of Engineering Mechanics
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Stretch Bending of Aluminium Extrusions: Effect of Tensile Sequence. Journal of Engineering Mechanics
Academic article
Pedersen, Ketill O.; Hopperstad, Odd Sture; Roven, Hans Jørgen; Ulseth, Pål. (1999) Studies on plastic deformation, damage & fracture of aluminium alloy 7030.60. SINTEF Report
Report
Mathisen, Kjell Magne; Hopperstad, Odd Sture; Okstad, Knut Morten; Berstad, Torodd. (1999) Error Estimation and Adaptivity in Explicit Nonlinear Finite Element Simulation of Quasi-Static Problems. Computers & structures
Academic article

1998

Langseth, Magnus; Hopperstad, Odd Sture; Hanssen, Arve Grønsund. (1998) Crash Behaviour of Thin-Walled Aluminium Members. Thin-walled structures
Academic article
Moen, Lars A.; Langseth, Magnus; Hopperstad, Odd Sture. (1998) Elastoplastic Buckling of Anisotropic Aluminium Plate Elements. Journal of Structural Engineering
Academic article
Hopperstad, Odd Sture; Berstad, Torodd; Ilstad, Håvar; Lademo, Odd-Geir; Langseth, Magnus. (1998) Effects of the Yield Criterion on Local Deformations in Numerical Simulation of Profile Forming. Journal of Materials Processing Technology
Academic article
Malo, Kjell A.; Hopperstad, Odd Sture; Lademo, Odd-Geir. (1998) Calibration of Anisotropic Yield Criteria Using Uniaxial Tension Tests and Bending Tests. Journal of Materials Processing Technology
Academic article
Ødegård, Jack; Søvik, O.P.; Zhang, Z.; Hopperstad, Odd Sture; Pedersen, K.; Roven, Hans Jørgen. (1998) Deformasjon og bruddutvikling i aluminiumslegeringer. Særtrykk (STF24 S)
Report
Malo, Kjell A.; Hopperstad, Odd Sture; Lademo, Odd-Geir. (1998) Calibration of anisotropic yield criteria using uniaxial tension tests and bending tests. Report (R-6-98)
Report

1997

Hopperstad, Odd Sture; Langseth, Magnus; Hanssen, Lars. (1997) Ultimate Compressive Strength of Plate Elements in Aluminium: Correlation of Finite Element Analyses and Tests. Thin-walled structures
Academic article
Malo, Kjell A.; Hopperstad, Odd Sture. (1997) Experimental pure bending. Report (R-41-97)
Report

1996

Langseth, Magnus; Hopperstad, Odd Sture. (1996) Static and dynamic axial crushing of square thin-walled aluminium extrusions. International Journal of Impact Engineering
Academic article
Langseth, Magnus; Hopperstad, Odd Sture. (1996) Local buckling of square thin-walled aluminium extrusions. Thin-walled structures
Academic article
Hopperstad, Odd Sture; Malo, Kjell A; Ilstad, Håvard. (1996) SAFE '96 BENCHKODE : benchmark-tester for formingsanalyser. NTNU. Inst. f. konstruksjonsteknikk
Non-fiction book
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1996) Stretch bending rig : experimental set-up. Report (R-9-96)
Report

1995

Hopperstad, Odd Sture; Langseth, Magnus; Remseth, Svein N. (1995) Cyclic stress-strain behaviour of alloy AA6060. Part I, Uniaxial experiments and modelling. International journal of plasticity
Academic article
Hopperstad, Odd Sture; Langseth, Magnus; Remseth, Svein N. (1995) Cyclic stress-strain behaviour of alloy AA6060 T4. Part II, Biaxial experiments and modelling. International journal of plasticity
Academic article
Hopperstad, Odd Sture; Remseth, Svein N. (1995) A return mapping algorithm for a class of cyclic plasticity models. International Journal for Numerical Methods in Engineering
Academic article
Lademo, Odd-Geir; Ilstad, Håvard; Hopperstad, Odd Sture; Langseth, Magnus. (1995) MASIPRO : flytekriterier for aluminiumlegeringer. Rapport (R-24-95)
Report
Hopperstad, Odd Sture; Larssen, Rolf M.; Leira, Bernt J.; Remseth, Svein N. (1995) Profilforming - fase II. Rapport (R-23-95)
Report
Hopperstad, Odd Sture; Langseth, Magnus; Tryland, Tore. (1995) An experimental and theoretical study on the stability and ultimate strength of aluminium alloy outstands in compression. Report (R-14-95)
Report
Hopperstad, Odd Sture; Langseth, Magnus; Hanssen, Lars. (1995) Simulation of plastic buckling and post-buckling behaviour of aluminium alloy outstands. Report (R-15-95)
Report
Hopperstad, Odd Sture; Roven, Hans Jørgen; Welo, Torgeir. (1995) Profilforming : dr.ing.aktiviteter i perioden 1990-1998. NTH. Inst. f. konstruksjonsteknikk
Compendium
Hopperstad, Odd Sture. (1995) Energimetoder. Norges tekniske høgskole. Institutt for konstruksjonsteknikk
Compendium

1994

Hopperstad, Odd Sture; Langseth, Magnus. (1994) Inelastisk knekking av fritt opplagte aluminiumsplater : sammenligning av numeriske og eksperimentelle resultater. Norges tekniske høgskole. Institutt for konstruksjonsteknikk
Compendium
Tryland, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (1994) Aluminiumkonstruksjoner : knekking av tynnveggede tverrsnitt : litteraturstudium. Norges tekniske høgskole. Institutt for konstruksjonsteknikk
Compendium

1993

Hopperstad, Odd Sture; Langseth, Magnus; Remseth, Svein N. (1993) Uniaxial cyclic testing and modelling of the aluminium alloy 6060 in temper T4 and T6. Report / Institutt for konstruksjonsteknikk, Universitetet i Trondheim, Norges tekniske høgskole
Non-fiction book

Journal publications

Rudshaug, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2024) Modeling brittle crack propagation for varying critical load levels: a dynamic phase-field approach. International Journal of Fracture
Academic article
Aune, Sigurd; Morin, David Didier; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2024) Modelling of welded aluminium connections in large-scale analyses. Thin-walled structures
Academic article
Rudshaug, Jonas; Hopperstad, Odd Sture; Børvik, Tore. (2023) Capturing fracture initiation and crack propagation of car windshields. Engineering Fracture Mechanics
Academic article
Espeseth, Vetle; Morin, David Didier; Tekoğlu, Cihan; Børvik, Tore; Hopperstad, Odd Sture. (2023) Ductile tearing of aluminium plates: experiments and modelling. International Journal of Fracture
Academic article
Sælen, Ruben Løland; Hopperstad, Odd Sture; Clausen, Arild Holm. (2023) Mechanical behaviour and constitutive modelling of an additively manufactured stereolithography polymer. Mechanics of materials (Print)
Academic article
Espeseth, Vetle; Morin, David Didier; Børvik, Tore; Hopperstad, Odd Sture. (2023) A gradient-based non-local GTN model: Explicit finite element simulation of ductile damage and fracture. Engineering Fracture Mechanics
Academic article
Dæhli, Lars Edvard Blystad; Morin, David Didier; Hopperstad, Odd Sture. (2023) Modelling of ductile failure in materials with heterogeneous particle structure using localization analysis. European Journal of Mechanics. A, Solids
Academic article
Morin, David Didier; Dæhli, Lars Edvard Blystad; Faleskog, Jonas; Hopperstad, Odd Sture. (2023) A numerical study on the effect of porosity distribution on ductile failure using size-dependent finite element-based representative volume elements. European Journal of Mechanics. A, Solids
Academic article
Xu, Jianbin; Hopperstad, Odd Sture; Holmedal, Bjørn; Berstad, Torodd; Manik, Tomas; Marthinsen, Knut. (2023) On the spatio-temporal characteristics of the Portevin-Le Chatelier effect in aluminium alloy AA5182: An experimental and numerical study. International journal of plasticity
Academic article
Tomstad, Asle Joachim; Boåsen, Magnus; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2023) On the influence of stress state on ductile fracture of two 6000-series aluminium alloys with different particle content. International Journal of Solids and Structures
Academic article
Dæhli, Lars Edvard Blystad; Johnsen, Joakim; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture. (2023) An experimental–numerical study on the evolution of the Taylor–Quinney coefficient with plastic deformation in metals. Mechanics of materials (Print)
Academic article
Saai, Afaf; Hopperstad, Odd Sture; Fritz, Jenny; Larsson, Joachim. (2023) A numerical study on the effects of DP steel microstructure on the yield locus and the stress–strain response under strain path change. International Journal of Material Forming
Academic article
Qvale, Kristin; Hopperstad, Odd Sture; Morin, David Didier; Børvik, Tore. (2023) Micromechanics-based simulation of quasi-static and dynamic crushing of double-chamber 6000-series aluminium profiles. International Journal of Impact Engineering
Academic article
Dæhli, Lars Edvard Blystad; Olufsen, Sindre Nordmark; Kristensen, Tore Andre; Børvik, Tore; Hopperstad, Odd Sture. (2023) Influence of constituent particles on fracture of aluminum alloys under high-triaxiality loading. Materials Science & Engineering: A
Academic article
Frodal, Bjørn Håkon; Lodgaard, Lars; Langsrud, Yngve; Børvik, Tore; Hopperstad, Odd Sture. (2023) Influence of Local Microstructural Variations on the Bendability of Aluminum Extrusions: Experiments and Crystal Plasticity Analyses. Journal of applied mechanics
Academic article
Rudshaug, Jonas; Osnes, Karoline; Hopperstad, Odd Sture; Børvik, Tore. (2023) A physically based strength prediction model for glass. International Journal of Solids and Structures
Academic article
Rudshaug, Jonas; Hopperstad, Odd Sture; Børvik, Tore. (2023) Effect of load level on cracking of L-shaped soda-lime glass specimens. Glass Structures & Engineering
Academic article
Dæhli, Lars Edvard Blystad; Tekoglu, Cihan; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2022) Ductile failure predictions using micromechanically-based computational models. Journal of the Mechanics and Physics of Solids
Academic article
Holmen, Jens Kristian; Thomesen, Susanne; Perez-Martin, Maria Jesus; Hopperstad, Odd Sture; Børvik, Tore. (2022) Ballistic Impact of Structural Steels at Low Temperatures. Journal of applied mechanics
Academic article
Somlo, Kinga; Frodal, Bjørn Håkon; Funch, C.V.; Poulios, K.; Winther, G.; Hopperstad, Odd Sture. (2022) Anisotropic yield surfaces of additively manufactured metals simulated with crystal plasticity. European Journal of Mechanics. A, Solids
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas; Marthinsen, Knut. (2022) Dynamic strain ageing in an AlMg alloy at different strain rates and temperatures: Experiments and constitutive modelling. International journal of plasticity
Academic article
Espeseth, Vetle; Børvik, Tore; Hopperstad, Odd Sture. (2022) Aluminium plates with geometrical defects subjected to low-velocity impact: Experiments and simulations. International Journal of Impact Engineering
Academic article
Frodal, Bjørn Håkon; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2022) On fracture anisotropy in textured aluminium alloys. International Journal of Solids and Structures
Academic article
Xu, Jianbin; Liu, Lei; Hopperstad, Odd Sture; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2022) A simple method enabling efficient quantitative analysis of the Portevin–Le Chatelier band characteristics. Scripta Materialia
Academic article
Thomesen, Susanne; Tomstad, Asle Joachim; Børvik, Tore; Hopperstad, Odd Sture. (2022) Simulation of ductile fracture in aluminium alloys with random or strong texture using heuristic extensions of the Gurson model. Engineering Fracture Mechanics
Academic article
Tomstad, Asle Joachim; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2022) Corrigendum to “Effects of constituent particle content on ductile fracture in isotropic and anisotropic 6000-series aluminium alloys” [Mater. Sci. Eng. A 820 (2021) 141420] (Materials Science & Engineering A (2021) 820, (S0921509321006894), (10.1016/j.msea.2021.141420)). Materials Science & Engineering: A
Errata
Nam, Woongshik; Hopperstad, Odd Sture; Amdahl, Jørgen. (2022) Thermal analysis of marine structural steel EH36 subject to non-spreading cryogenic spills: Part III: structural response assessment. Ships and Offshore Structures
Academic article
Tomstad, Asle Joachim; Frodal, Bjørn Håkon; Børvik, Tore; Hopperstad, Odd Sture. (2022) Influence of particle content on the ductility of extruded non-recrystallized aluminium alloys subjected to shear loading. Materials Science & Engineering: A
Academic article
Qvale, Kristin; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2022) The effect of constituent particles on the tear resistance of three 6000-series aluminium alloys. International Journal of Fracture
Academic article
Frodal, Bjørn Håkon; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2021) On the coupling of damage and single crystal plasticity for ductile polycrystalline materials. International journal of plasticity
Academic article
Tomstad, Asle Joachim; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2021) Effects of constituent particle content on ductile fracture in isotropic and anisotropic 6000-series aluminium alloys. Materials Science & Engineering: A
Academic article
Morgeneyer, Thilo; Khadyko, Mikhail; Buljac, Ante; Helfen, Lukas; Hild, Francois; Benallal, Ahmed. (2021) On crystallographic aspects of heterogeneous plastic flow during ductile tearing: 3D measurements and crystal plasticity simulations for AA7075-T651. International journal of plasticity
Academic article
Frafjord, Jonas; Ringdalen, Inga Gudem; Hopperstad, Odd Sture; Holmestad, Randi; Friis, Jesper. (2021) Corrigendum to “First principles calculations of pressure dependent yielding in solute strengthened aluminium alloys” [Comput. Mater. Sci. 184 (2020) 109902] (Computational Materials Science (2020) 184, (S0927025620303931), (10.1016/j.commatsci.2020.109902)). Computational Materials Science
Errata
Granum, Henrik Møgster; Myhr, Ole Runar; Børvik, Tore; Hopperstad, Odd Sture. (2021) Effect of pre-stretching on the mechanical behaviour of three artificially aged 6xxx series aluminium alloys. Materials Today Communications
Academic article
Bergo, Sondre; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2021) Micromechanical modelling of ductile fracture in pipeline steel using a bifurcation-enriched porous plasticity model. International Journal of Fracture
Academic article
Espeseth, Vetle; Morin, David; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2021) A numerical study of a size-dependent finite-element based unit cell with primary and secondary voids. Journal of the Mechanics and Physics of Solids
Academic article
Marioara, Calin Daniel; Børvik, Tore; Hopperstad, Odd Sture. (2021) The relation between grain boundary precipitate formation and adjacent grain orientations in Al-Mg-Si(-Cu) alloys. Philosophical Magazine Letters
Academic article
Holmström, Petter Henrik; Clausen, Arild Holm; Berstad, Torodd; Morin, David; Hopperstad, Odd Sture. (2021) A pragmatic orthotropic elasticity-based damage model with spatially distributed properties applied to short glass-fibre reinforced polymers. International Journal of Solids and Structures
Academic article
Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2021) Anisotropic Plasticity and Fracture of Three 6000-Series Aluminum Alloys. Metals
Academic article
Bergo, Sondre; Morin, David; Hopperstad, Odd Sture. (2021) Numerical implementation of a non-local GTN model for explicit FE simulation of ductile damage and fracture. International Journal of Solids and Structures
Academic article
Khadyko, Mikhail; Frodal, Bjørn Håkon; Hopperstad, Odd Sture. (2021) Finite element simulation of ductile fracture in polycrystalline materials using a regularized porous crystal plasticity model. International Journal of Fracture
Academic article
Granum, Henrik; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2021) Calibration of the modified Mohr-Coulomb fracture model by use of localization analyses for three tempers of an AA6016 aluminium alloy. International Journal of Mechanical Sciences
Academic article
Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2021) Experimental Characterization and Modelling of the PLC Effect in an AlMg-Alloy. Materials Science Forum
Academic article
Olufsen, Sindre Nordmark; Nygård, Per; Ines Teixeira Pais, Catarina; Perillo, Giovanni; Hopperstad, Odd Sture; Clausen, Arild Holm. (2021) Influence of loading conditions on the tensile response of degraded polyamide 11. Polymer
Academic article
Bergo, Sondre; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2020) Micromechanics-based identification of a ductile fracture model for three structural steels. Engineering Fracture Mechanics
Academic article
Frodal, Bjørn Håkon; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2020) On the effect of plastic anisotropy, strength and work hardening on the tensile ductility of aluminium alloys. International Journal of Solids and Structures
Academic article
Olufsen, Sindre Nordmark; Clausen, Arild Holm; Breiby, Dag Werner; Hopperstad, Odd Sture. (2020) X-ray computed tomography investigation of dilation of mineral-filled PVC under monotonic loading. Mechanics of materials (Print)
Academic article
Osnes, Karoline; Hopperstad, Odd Sture; Børvik, Tore. (2020) Rate dependent fracture of monolithic and laminated glass: Experiments and simulations. Engineering structures
Academic article
Erice, Borja; Perez-Martin, Maria Jesus; Kristoffersen, Martin; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2020) Fracture mechanisms in largely strained solids due to surface instabilities. International Journal of Solids and Structures
Academic article
Holmström, Petter Henrik; Hopperstad, Odd Sture; Clausen, Arild Holm. (2020) Anisotropic tensile behaviour of short glass-fibre reinforced polyamide-6. Composites Part C: Open Access
Academic article
Vestrum, Ole; Dæhli, Lars Edvard Blystad; Hopperstad, Odd Sture; Børvik, Tore. (2020) Constitutive modeling of a graded porous polymer based on X-ray computed tomography. Materials & design
Academic article
Myhr, Ole Runar; Børvik, Tore; Marioara, Calin Daniel; Wenner, Sigurd; Hopperstad, Odd Sture. (2020) Nanoscale modelling of combined isotropic and kinematic hardening of 6000 series aluminium alloys. Mechanics of materials (Print)
Academic article
Frodal, Bjørn Håkon; Christiansen, Emil; Myhr, Ole Runar; Hopperstad, Odd Sture. (2020) The role of quench rate on the plastic flow and fracture of three aluminium alloys with different grain structure and texture. International Journal of Engineering Science
Academic article
Morton, Daniel Thor; Reyes, Aase Gavina Roberg; Clausen, Arild Holm; Hopperstad, Odd Sture. (2020) Mechanical response of low density expanded polypropylene foams in compression and tension at different loading rates and temperatures. Materials Today Communications
Academic article
Costas, Miguel; Morin, David; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2020) Corrigendum to “A through-thickness damage regularisation scheme for shell elements subjected to severe bending and membrane deformations” [Journal of the Mechanics and Physics of Solids 123 (2019) 190–206]. Journal of the Mechanics and Physics of Solids
Errata
Frafjord, Jonas; Ringdalen, Inga Gudem; Hopperstad, Odd Sture; Holmestad, Randi; Friis, Jesper. (2020) First principle calculations of pressure dependent yielding in solute strengthened aluminium alloys. Computational Materials Science
Academic article
Dæhli, Lars Edvard Blystad; Morin, David; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2020) A Numerical Study on Ductile Failure of Porous Ductile Solids With Rate-Dependent Matrix Behavior. Journal of applied mechanics
Academic article
Thomesen, Susanne; Hopperstad, Odd Sture; Myhr, Ole Runar; Børvik, Tore. (2020) Influence of stress state on plastic flow and ductile fracture of three 6000-series aluminium alloys. Materials Science & Engineering: A
Academic article
Cazacu, Oana; Chandola, Nitin; Revil-Baudard, Benoit; Frodal, Bjørn Håkon; Børvik, Tore; Hopperstad, Odd Sture. (2020) Modeling the effect of notch geometry on the deformation of a strongly anisotropic aluminum alloy. European Journal of Mechanics. A, Solids
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Bjørge, Ruben; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Detailed investigation of the shearing mechanism of β" precipitates in Al-Mg-Si alloys. MATEC Web of Conferences
Academic article
Olufsen, Sindre Nordmark; Tekseth, Kim Robert Bjørk; Breiby, Dag Werner; Clausen, Arild Holm; Hopperstad, Odd Sture. (2020) A technique for in situ X-ray computed tomography of deformation-induced cavitation in thermoplastics. Polymer testing
Academic article
Qvale, Kristin; Hopperstad, Odd Sture; Reiso, Oddvin; Tundal, Ulf; Marioara, Calin Daniel; Børvik, Tore. (2020) An experimental study on pre-stretched double-chamber 6000-series aluminium profiles subjected to quasi-static and dynamic axial crushing. Thin-walled structures
Academic article
Perez-Martin, M.J.; Holmen, Jens Kristian; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2020) Correction to: Dynamic Behaviour of a High-Strength Structural Steel at Low Temperatures (Journal of Dynamic Behavior of Materials, (2019), 5, 3, (241-250), 10.1007/s40870-019-00206-x). Journal of Dynamic Behavior of Materials
Errata
Khadyko, Mikhail; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) Tensile ductility of extruded aluminium alloy AA6063 in different tempers. Materials Science & Engineering: A
Academic article
Osnes, Karoline; Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore. (2019) On the dynamic response of laminated glass exposed to impact before blast loading. Experimental mechanics
Academic article
Perez-Martin, Maria Jesus; Holmen, Jens Kristian; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2019) Dynamic Behaviour of a High-Strength Structural Steel at Low Temperatures. Journal of Dynamic Behavior of Materials
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) Volumetric strain measurement of polymeric materials subjected to uniaxial tension. Strain
Academic article
Frodal, Bjørn Håkon; Dæhli, Lars Edvard; Børvik, Tore; Hopperstad, Odd Sture. (2019) Modelling and simulation of ductile failure in textured aluminium alloys subjected to compression-tension loading. International journal of plasticity
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2019) Experimental characterization and modeling of aluminum alloy AA3103 for complex single and double strain-path changes. International journal of plasticity
Academic article
Costas, Miguel; Morin, David; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2019) A through-thickness damage regularisation scheme for shell elements subjected to severe bending and membrane deformations. Journal of the Mechanics and Physics of Solids
Academic article
Khadyko, Mikhail; Myhr, Ole Runar; Hopperstad, Odd Sture. (2019) Work hardening and plastic anisotropy of naturally and artificially aged aluminium alloy AA6063. Mechanics of materials (Print)
Academic article
Olufsen, Sindre Nordmark; Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) Influence of stress triaxiality and strain rate on stress-strain behaviour and dilation of mineral-filled PVC. Polymer testing
Academic article
Andersen, Marius Endre; Hopperstad, Odd Sture; Clausen, Arild Holm. (2019) Volumetric strain measurement of polymeric materials subjected to uniaxial tension. Strain
Academic article
Dumoulin, Stephane; Coudert, Térence; Hopperstad, Odd Sture. (2019) ATLAS of yield surfaces for strongly textured FCC polycrystals. AIP Conference Proceedings
Academic article
Osnes, Karoline; Holmen, Jens Kristian; Hopperstad, Odd Sture; Børvik, Tore. (2019) Fracture and fragmentation of blast-loaded laminated glass: An experimental and numerical study. International Journal of Impact Engineering
Academic article
Granum, Henrik; Aune, Vegard; Børvik, Tore; Hopperstad, Odd Sture. (2019) Effect of heat-treatment on the structural response of blast-loaded aluminium plates with pre-cut slits. International Journal of Impact Engineering
Academic article
Morin, David; Dæhli, Lars Edvard; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2019) Numerical study of ductile failure under non-proportional loading. European Journal of Mechanics. A, Solids
Academic article
Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Benallal, Ahmed; Hopperstad, Odd Sture. (2019) A thermo-elasto-viscoplastic constitutive model for polymers. Journal of the Mechanics and Physics of Solids
Academic article
Dæhli, Lars Edvard Blystad; Hopperstad, Odd Sture; Benallal, Ahmed. (2019) Effective behaviour of porous ductile solids with a non-quadratic isotropic matrix yield surface. Journal of the Mechanics and Physics of Solids
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Holmedal, Bjørn; Hopperstad, Odd Sture; Holmestad, Randi. (2019) Nano-scale characterisation of sheared β” precipitates in a deformed Al-Mg-Si alloy. Scientific Reports
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) Volumetric strain measurement of polymeric materials subjected to uniaxial tension. Strain
Academic article
Khadyko, Mikhail; Sturdy, Jacob; Dumoulin, Stephane; Hellevik, Leif Rune; Hopperstad, Odd Sture. (2018) Uncertainty quantification and sensitivity analysis of material parameters in crystal plasticity finite element models. Journal of Mechanics of Materials and Structures
Academic article
Osnes, Karoline; Hopperstad, Odd Sture; Børvik, Tore. (2018) Quasi-Static and Dynamic Testing of Annealed Float Glass. Proceedings
Academic article
Christiansen, Emil; Marioara, Calin Daniel; Marthinsen, Knut; Hopperstad, Odd Sture; Holmestad, Randi. (2018) Lattice rotations in precipitate free zones in an Al-Mg-Si alloy. Materials Characterization
Academic article
Osnes, Karoline; Børvik, Tore; Hopperstad, Odd Sture. (2018) Shock Tube Testing and Modelling of Annealed Float Glass. The European Physical Journal Conferences
Academic article
Morin, David; Hopperstad, Odd Sture; Benallal, Ahmed. (2018) On the description of ductile fracture in metals by the strain localization theory. International Journal of Fracture
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2018) A combined isotropic, kinematic and distortional hardening model for aluminum and steels under complex strain-path changes. International journal of plasticity
Academic article
Nam, Woongshik; Hopperstad, Odd Sture; Amdahl, Jørgen. (2018) Modelling of the ductile-brittle fracture transition in steel structures with large shell elements: A numerical study. Marine Structures
Academic article
Granum, Henrik; Myhr, Ole Runar; Børvik, Tore; Hopperstad, Odd Sture. (2018) Nanostructure-based finite element analyses of aluminium profiles subjected to quasi-static axial crushing. Thin-walled structures
Academic article
Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2018) On the Material Characterization of an Aluminium Alloy Using Different Specimens and Identification Methods. Proceedings
Academic article
Myhr, Ole Runar; Hopperstad, Odd Sture; Børvik, Tore. (2018) A Combined Precipitation, Yield Stress, and Work Hardening Model for Al-Mg-Si Alloys Incorporating the Effects of Strain Rate and Temperature. Metallurgical and Materials Transactions A
Academic article
Osnes, Karoline; Børvik, Tore; Hopperstad, Odd Sture. (2018) Testing and modelling of annealed float glass under quasi-static and dynamic loading. Engineering Fracture Mechanics
Academic article
Morin, David; Fourmeau, Marion; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2018) Anisotropic tensile failure of metals by the strain localization theory: An application to a high-strength aluminium alloy. European Journal of Mechanics. A, Solids
Academic article
Dæhli, Lars Edvard; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2018) A Lode-dependent Gurson model motivated by unit cell analyses. Engineering Fracture Mechanics
Academic article
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Modelling of strain-path transients in commercially pure aluminium. Materials Science Forum
Academic article
Gruben, Gaute; Morin, David; Langseth, Magnus; Hopperstad, Odd Sture. (2017) Ductile Fracture of Steel Sheets under Dynamic Membrane Loading. Procedia Engineering
Academic article
Khadyko, Mikhail; Marioara, Calin Daniel; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture. (2017) Effects of heat-treatment on the plastic anisotropy of extruded aluminium alloy AA6063. Materials Science & Engineering: A
Academic article
Holmen, Jens Kristian; Frodal, Bjørn Håkon; Hopperstad, Odd Sture; Børvik, Tore. (2017) Strength differential effect in age hardened aluminum alloys. International journal of plasticity
Academic article
Morin, David; Kårstad, Bente Larsen; Skajaa, Birgitte; Hopperstad, Odd Sture; Langseth, Magnus. (2017) Testing and modelling of stiffened aluminium panels subjected to quasi-static and low-velocity impact loading. International Journal of Impact Engineering
Academic article
Grimsmo, Erik Løhre; Dæhli, Lars Edvard; Hopperstad, Odd Sture; Aalberg, Arne; Langseth, Magnus; Clausen, Arild Holm. (2017) Numerical study of fillet welds subjected to quasi-static and impact loading . International Journal of Mechanical Sciences
Academic article
Holmen, Jens Kristian; Solberg, Jan Ketil; Hopperstad, Odd Sture; Børvik, Tore. (2017) Ballistic impact of layered and case-hardened steel plates. International Journal of Impact Engineering
Academic article
Frodal, Bjørn Håkon; Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2017) Influence of pre-compression on the ductility of AA6xxx aluminium alloys. International Journal of Fracture
Academic article
Vysochinskiy, Dmitry; Coudert, Térence; Hopperstad, Odd Sture; Lademo, Odd-Geir; Reyes, Aase Gavina Roberg. (2017) Experimental study on the formability of AA6016 sheets pre-strained by rolling. International Journal of Material Forming
Academic article
Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2017) Influence of strain rate and temperature on the mechanical behaviour of rubber-modified polypropylene and cross-linked polyethylene. Mechanics of materials (Print)
Academic article
Holmen, Jens Kristian; Hopperstad, Odd Sture; Børvik, Tore. (2017) Influence of yield-surface shape in simulation of ballistic impact. International Journal of Impact Engineering
Academic article
Dæhli, Lars Edvard; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2017) Unit cell simulations and porous plasticity modelling for strongly anisotropic FCC metals. European Journal of Mechanics. A, Solids
Academic article
Dæhli, Lars Edvard; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2017) Influence of yield surface curvature on the macroscopic yielding and ductile failure of isotropic porous plastic materials. Journal of the Mechanics and Physics of Solids
Academic article
Holmen, Jens Kristian; Børvik, Tore; Hopperstad, Odd Sture. (2017) Experiments and simulations of empty and sand-filled aluminum alloy panels subjected to ballistic impact. Engineering structures
Academic article
Qin, Jisheng; Holmedal, Bjørn; Zhang, Kai; Hopperstad, Odd Sture. (2017) Modeling strain-path changes in aluminum and steel. International Journal of Solids and Structures
Academic article
Gruben, Gaute; Morin, David; Langseth, Magnus; Hopperstad, Odd Sture. (2017) Strain localization and ductile fracture in advanced high-strength steel sheets. European Journal of Mechanics. A, Solids
Academic article
Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus; Reyes, Aase Gavina Roberg. (2017) Preface. Procedia Engineering
Editorial
Grimsmo, Erik Løhre; Dæhli, Lars Edvard; Hopperstad, Odd Sture; Aalberg, Arne; Langseth, Magnus; Clausen, Arild Holm. (2017) Comparison of damage models in numerical simulations of fillet welds under quasi-static and impact loading. Procedia Engineering
Academic article
Gruben, Gaute; Sølvernes, Sindre Hellem; Berstad, Torodd; Morin, David; Hopperstad, Odd Sture; Langseth, Magnus. (2017) Low-velocity impact behaviour and failure of stiffened steel plates. Marine Structures
Academic article
Gruben, Gaute; Langseth, Magnus; Fagerholt, Egil; Hopperstad, Odd Sture. (2017) Corrigendum to ‘Low-velocity impact on high-strength steel sheets: an experimental and numerical study’ (International Journal of Impact Engineering (2017) 103 (254) (S0734743X15002079) (10.1016/j.ijimpeng.2015.10.001)). International Journal of Impact Engineering
Errata
Khadyko, Mikhail; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Dumoulin, Stephane; Hopperstad, Odd Sture. (2016) Deformation and strain localization in polycrystals with plastically heterogeneous grains. International journal of plasticity
Academic article
Holmen, Jens Kristian; Dæhli, Lars Edvard; Hopperstad, Odd Sture; Børvik, Tore. (2016) Prediction of ductile failure using a phenomenological model calibrated from micromechanical simulations. Procedia Structural Integrity
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Hopperstad, Odd Sture. (2016) Texture gradients and strain localisation in extruded aluminium profile. International Journal of Solids and Structures
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Cailletaud, Georges; Hopperstad, Odd Sture. (2016) Latent hardening and plastic anisotropy evolution in AA6060 aluminium alloy. International journal of plasticity
Academic article
Westermann, Ida; Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2016) Work-hardening and ductility of artificially aged AA6060 aluminium alloy. Mechanics of materials (Print)
Academic article
Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2016) Dynamic versus quasi-static loading of X65 offshore steel pipes. The European Physical Journal Special Topics
Academic article
Dæhli, Lars Edvard; Faleskog, Jonas; Børvik, Tore; Hopperstad, Odd Sture. (2016) Unit cell simulations and porous plasticity modelling for recrystallization textures in aluminium alloys. Procedia Structural Integrity
Academic article
Kristoffersen, Martin; Børvik, Tore; Hopperstad, Odd Sture. (2016) Using unit cell simulations to investigate fracture due to compression-tension loading. Engineering Fracture Mechanics
Academic article
Børvik, Tore; Marken, Lene Anita; Langseth, Magnus; Rørvik, Gisle; Hopperstad, Odd Sture. (2016) Influence of sigma-phase precipitation on the impact behaviour of duplex stainless steel pipe fittings. Ships and Offshore Structures
Academic article
Holmen, Jens Kristian; Johnsen, Joakim; Hopperstad, Odd Sture; Børvik, Tore. (2016) Influence of fragmentation on the capacity of aluminum alloy plates subjected to ballistic impact. European Journal of Mechanics. A, Solids
Academic article
Gruben, Gaute; Langseth, Magnus; Fagerholt, Egil; Hopperstad, Odd Sture. (2016) Low-velocity impact on high-strength steel sheets: An experimental and numerical study. International Journal of Impact Engineering
Academic article
Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2016) Experimental set-up for determination of the large-strain tensile behaviour of polymers at low temperatures. Polymer testing
Academic article
Føre, Heidi Moe; Lader, Pål; Lien, Egil; Hopperstad, Odd Sture. (2016) Structural response of high solidity net cage models in uniform flow. Journal of Fluids and Structures
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Børvik, Tore; Holmedal, Bjørn; Hopperstad, Odd Sture. (2016) A physically-based constitutive model applied to AA6082 aluminium alloy at large strains, high strain rates and elevated temperatures. Materials & design
Academic article
Khadyko, Mikhail; Myhr, Ole Runar; Dumoulin, Stephane; Hopperstad, Odd Sture. (2016) A microstructure-based yield stress and work-hardening model for textured 6xxx aluminium alloys. Philosophical Magazine
Academic article
Dæhli, Lars Edvard; Børvik, Tore; Hopperstad, Odd Sture. (2016) Influence of loading path on ductile fracture of tensile specimens made from aluminium alloys. International Journal of Solids and Structures
Academic article
Vysochinskiy, Dmitry; Coudert, Térence; Hopperstad, Odd Sture; Lademo, Odd-Geir; Reyes, Aase Gavina Roberg. (2016) Experimental detection of forming limit strains on samples with multiple local necks. Journal of Materials Processing Technology
Academic article
Holmen, Jens Kristian; Børvik, Tore; Myhr, Ole Runar; Hopperstad, Odd Sture. (2015) Perforation of welded aluminum extrusions: Numerical prediction and experimental validation. The European Physical Journal Conferences
Academic article
Vilamosa, Vincent; Børvik, Tore; Hopperstad, Odd Sture; Clausen, Arild Holm. (2015) Behaviour and modelling of aluminium alloy AA6060 subjected to a wide range of strain rates and temperatures. The European Physical Journal Conferences
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Børvik, Tore; Skjervold, SR; Hopperstad, Odd Sture. (2015) Behaviour of Al-Mg-Si alloys at a wide range of temperatures and strain rates. International Journal of Impact Engineering
Academic article
Pedersen, Ketill Olav; Westermann, Ida; Furu, Trond; Børvik, Tore; Hopperstad, Odd Sture. (2015) Influence of microstructure on work-hardening and ductile fracture of aluminium alloys. Materials & Design
Academic article
Fransplass, Henning; Langseth, Magnus; Hopperstad, Odd Sture. (2015) Experimental and numerical study of threaded steel fasteners under combined tension and shear at elevated loading rates. International Journal of Impact Engineering
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane; Gawad, Jerzy; Van Bael, Albert. (2015) Multi-level modelling of mechanical anisotropy of commercial pure aluminium plate: Crystal plasticity models, advanced yield functions and parameter identification. International journal of plasticity
Academic article
Fourmeau, Marion; Marioara, Calin Daniel; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2015) A study of the influence of precipitate free zones on the strain localization and failure of the aluminium alloy AA7075-T651. Philosophical Magazine
Academic article
Saai, Afaf; Westermann, Ida; Dumoulin, Stephane; Hopperstad, Odd Sture. (2015) Crystal plasticity finite element simulations of pure bending of aluminium alloy AA7108. International Journal of Material Forming
Academic article
Hoang, Nguyen-Hieu; Hopperstad, Odd Sture; Myhr, Ole Runar; Marioara, Calin Daniel; Langseth, Magnus. (2015) An improved nano-scale material model applied in axial-crushing analyses of square hollow section aluminium profiles. Thin-walled structures
Academic article
Storheim, Martin; Alsos, Hagbart Skage; Hopperstad, Odd Sture; Amdahl, Jørgen. (2015) A damage-based failure model for coarsely meshed shell structures. International Journal of Impact Engineering
Academic article
Holmen, Jens Kristian; Hopperstad, Odd Sture; Børvik, Tore. (2015) Low-velocity impact on multi-layered dual-phase steel plates. International Journal of Impact Engineering
Academic article
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture. (2015) Strain-path change induced transients in flow stress, work hardening and r-values in aluminum. International journal of plasticity
Academic article
Holmen, Jens Kristian; Børvik, Tore; Myhr, Ole Runar; Fjær, Hallvard Gustav; Hopperstad, Odd Sture. (2015) Perforation of welded aluminum components: Microstructure-based modeling and experimental validation. International Journal of Impact Engineering
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture. (2015) Simulation of large-strain behaviour of aluminium alloy under tensile loading using anisotropic plasticity models. Computers & structures
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Fourmeau, Marion; Pedersen, Ketill Olav; Benallal, Ahmed. (2014) Quasi-static and dynamic fracture of high-strength aluminium alloy. Procedia Materials Science
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Hopperstad, Odd Sture; Børvik, Tore; Skjervold, Svein Roger. (2014) Influence of temperature and strain rate on the mechanical behaviour of aluminium alloy AA6060. Materials Science Forum
Academic article
Ognedal, Anne Serine; Clausen, Arild Holm; Berstad, Torodd; Seelig, Thomas; Hopperstad, Odd Sture. (2014) Void nucleation and growth in mineral-filled PVC - An experimental and numerical study. International Journal of Solids and Structures
Academic article
Ognedal, Anne Serine; Clausen, Arild Holm; Dahlen, Anfrid; Hopperstad, Odd Sture. (2014) Behavior of PVC and HDPE under highly triaxial stress states: An experimental and numerical study. Mechanics of materials (Print)
Academic article
Vautrot, M.; Balland, P.; Hopperstad, Odd Sture; Tabourot, L.; Raujol-Veille, J.; Toussaint, F.. (2014) Experimental Technique to Characterize the Plastic Behaviour of Metallic Materials in a Wide Range of Temperatures and Strain Rates: Application to a High-Carbon Steel. Experimental mechanics
Academic article
Kristoffersen, Martin; Casadei, Folco; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2014) Impact against empty and water-filled X65 steel pipes - Experiments and simulations. International Journal of Impact Engineering
Academic article
Vilamosa, Vincent; Clausen, Arild Holm; Fagerholt, Egil; Hopperstad, Odd Sture; Børvik, Tore. (2014) Local measurement of stress-strain behaviour of ductile materials at elevated temperatures in a split-hopkinson tension bar system. Strain
Academic article
Zhang, Kai; Holmedal, Bjørn; Dumoulin, Stephane; Hopperstad, Odd Sture. (2014) An explicit integration scheme for hypo-elastic viscoplastic crystal plasticity. Transactions of Nonferrous Metals Society of China
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture. (2014) An experimental-numerical method to determine the work-hardening of anisotropic ductile materials at large strains. International Journal of Mechanical Sciences
Academic article
Westermann, Ida; Pedersen, Ketill Olav; Furu, Trond; Børvik, Tore; Hopperstad, Odd Sture. (2014) Effects of particles and solutes on strength, work-hardening and ductile fracture of aluminium alloys. Mechanics of materials (Print)
Academic article
Vysochinskiy, Dmitry; Coudert, Térence; Hopperstad, Odd Sture; Lademo, Odd-Geir; Reyes, Aase Gavina Roberg. (2014) Experimental detection of the onset of local necking in an aluminium sheet. Materials Science Forum
Academic article
Saai, Afaf; Hopperstad, Odd Sture; Granbom, Y.; Lademo, Odd-Geir. (2014) Influence of volume fraction and distribution of martensite phase on the strain localization in dual phase steels. Procedia Materials Science
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Modelling the plastic anisotropy of aluminium alloy 3103 sheets by polycrystal plasticity models. Modelling and Simulation in Materials Science and Engineering
Academic article
Gruben, Gaute; Fagerholt, Egil; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2014) Numerical simulation of ductile fracture in modified Arcan test. Procedia Materials Science
Academic article
Zhang, Kai; Hopperstad, Odd Sture; Holmedal, Bjørn; Dumoulin, Stephane. (2014) A robust and efficient substepping scheme for the explicit numerical integration of a rate-dependent crystal plasticity model. International Journal for Numerical Methods in Engineering
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Langseth, Magnus. (2014) Mechanical behaviour of an AA6082 aluminium alloy at low temperatures. Materials Science Forum
Academic article
Hopperstad, Odd Sture; Westermann, Ida; Pedersen, Ketill Olav; Furu, Trond; Børvik, Tore. (2014) Influence of processing route on the work-hardening and ductile fracture of an AA6060 aluminium alloy. Materials Science Forum
Academic article
Khadyko, Mikhail; Dumoulin, Stephane; Hopperstad, Odd Sture. (2014) Slip system interaction matrix and its influence on the macroscopic response of Al alloys. Materials Science Forum
Academic article
Zhang, Kai; Holmedal, Bjørn; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Use of plane-strain tension and shear tests to evaluate yield surfaces for AA1050 aluminium sheet. Materials Science Forum
Academic article
Saai, Afaf; Hopperstad, Odd Sture; Dumoulin, Stephane; Tabourot, Laurent. (2014) Numerical study on the influence of crystallographic texture and grain shape on the yield surface of textured aluminum sheet material. Materials Science Forum
Academic article
Rakvåg, Kristian Gaarder; Børvik, Tore; Hopperstad, Odd Sture. (2014) A numerical study on the deformation and fracture modes of steel projectiles during Taylor bar impact tests. International Journal of Solids and Structures
Academic article
Fyllingen, Ørjan; Langseth, Magnus; Hopperstad, Odd Sture. (2014) Investigation of high-strength steel component subjected to stretch-bending: effect of forming history. Key Engineering Materials
Academic article
Dumoulin, Stephane; Hopperstad, Odd Sture; Sène, Ndèye Awa; Balland, Pascale; Arrieux, Robert; Moreau, Jean-Michel. (2013) Numerical modelling of plastic forming of aluminium single crystals. International Journal of Material Forming
Academic article
Gruben, Gaute; Hopperstad, Odd Sture; Børvik, Tore. (2013) Simulation of ductile crack propagation in dual-phase steel. International Journal of Fracture
Academic article
Tabourot, Laurent; Balland, Pascale; Vautrot, M; Hopperstad, Odd Sture; Raujol-Veille, J; Toussaint, F.. (2013) Characterization and Modeling of the Elastic Behavior of a XC68 Grade Steel Used at High Strain Rates and High Temperatures. Key Engineering Materials
Academic article
Johnsen, Joakim; Holmen, Jens Kristian; Myhr, Ole Runar; Hopperstad, Odd Sture; Børvik, Tore. (2013) A nano-scale material model applied in finite element analysis of aluminium plates under impact loading. Computational Materials Science
Academic article
Fransplass, Henning; Langseth, Magnus; Hopperstad, Odd Sture. (2013) Numerical study of the tensile behaviour of threaded steel fasteners at elevated rates of strain. International Journal of Impact Engineering
Academic literature review
Rakvåg, Knut Gaarder; Underwood, NJ; Schleyer, GK; Børvik, Tore; Hopperstad, Odd Sture. (2013) Transient pressure loading of clamped metallic plates with pre-formed holes. International Journal of Impact Engineering
Academic article
Hoang, Nguyen-Hieu; Hopperstad, Odd Sture; Langseth, Magnus; Westermann, Ida. (2013) Failure of aluminium self-piercing rivets: An experimental and numerical study. Materials & Design
Academic article
Holmen, Jens Kristian; Johnsen, Joakim; Jupp, S; Hopperstad, Odd Sture; Børvik, Tore. (2013) Effects of heat treatment on the ballistic properties of AA6070 aluminium alloy. International Journal of Impact Engineering
Academic article
Fourmeau, Marion; Børvik, Tore; Benallal, A; Hopperstad, Odd Sture. (2013) Anisotropic failure modes of high-strength aluminium alloy under various stress states. International journal of plasticity
Academic article
Kristoffersen, Martin; Børvik, Tore; Westermann, Ida; Langseth, Magnus; Hopperstad, Odd Sture. (2013) Impact against X65 steel pipes - An experimental investigation. International Journal of Solids and Structures
Academic article
Wadley, Haydn N.G.; Børvik, Tore; Olovsson, Lars; Wetzel, J.J.; Dharmasena, Kumar P.; Hopperstad, Odd Sture. (2013) Deformation and Fracture of Impulsively Loaded Sandwich Panels. Journal of the Mechanics and Physics of Solids
Academic article
Fagerholt, Egil; Børvik, Tore; Hopperstad, Odd Sture. (2013) Measuring discontinuous displacement fields in cracked specimens using Digital Image Correlation with mesh adaptation and crack-path optimization. Optics and lasers in engineering
Academic article
Saai, Afaf; Dumoulin, Stephane; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2013) Simulation of yield surfaces for aluminium sheets with rolling and recrystallization textures. Computational Materials Science
Academic article
Rakvåg, Knut Gaarder; Børvik, Tore; Westermann, Ida; Hopperstad, Odd Sture. (2013) An experimental study on the deformation and fracture modes of steel projectiles during impact. Materials & Design
Academic article
Dumoulin, Stephane; Engler, Olaf; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2012) Description of plastic anisotropy in AA6063-T6 using the crystal plasticity finite element method. Modelling and Simulation in Materials Science and Engineering
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2012) Effect of alloying elements on stage-III work-hardening behaviour of Al-Zn-Mg(-Cu) alloys. International Journal of Materials Research - Zeitschrift für Metallkunde
Academic article
Ognedal, Anne Serine; Clausen, Arild Holm; Polanco-Loria, Mario A.; Benallal, Ahmed; raka, bumedijen; Hopperstad, Odd Sture. (2012) Experimental and numerical study on the behaviour of PVC and HDPE in biaxial tension. Mechanics of materials (Print)
Academic article
Lademo, Odd-Geir; Engler, Olaf; Benallal, Ahmed; Hopperstad, Odd Sture. (2012) Effect of strain rate and dynamic strain ageing on work-hardening for aluminium alloy AA5182-O. International Journal of Materials Research - Zeitschrift für Metallkunde
Academic article
Gruben, Gaute; Hopperstad, Odd Sture; Børvik, Tore. (2012) Evaluation of uncoupled ductile fracture criteria for the dual-phase steel Docol 600DL. International Journal of Mechanical Sciences
Academic article
Fagerholt, Egil; Østby, Erling; Børvik, Tore; Hopperstad, Odd Sture. (2012) Investigation of fracture in small-scale SENT tests of a welded X80 pipeline steel using Digital Image Correlation with node splitting. Engineering Fracture Mechanics
Academic article
Kang, J; Mishra, R.K.; Wilkinson, D.S.; Hopperstad, Odd Sture. (2012) Effect of Mg content on Portevin-Le Chatelier band strain in Al-Mg sheet alloys. Philosophical Magazine Letters
Academic article
Vautrot, M; Balland, P; Hopperstad, Odd Sture; Tabourot, L; Raujol-Veille, J; Toussaint, F.. (2012) Characterization of High Carbon Steel C68 at Elevated Temperatures and Different Strain Rates. Technische Mechanik
Academic article
Fyllingen, Ørjan; Langmoen, Erik Christoffer; Langseth, Magnus; Hopperstad, Odd Sture. (2012) Transition from progressive buckling to global bending of square aluminium tubes. International Journal of Impact Engineering
Academic article
Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2011) Fracture mechanisms of aluminium alloy AA7075-T651 under various loading conditions. Materials & design
Academic article
Delhaye, Virgile Roger; Clausen, Arild Holm; Moussy, F; Othman, R; Hopperstad, Odd Sture. (2011) Influence of stress state and strain rate on the behaviour of a rubber-particle reinforced polypropylene. International Journal of Impact Engineering
Academic article
Kane, Alexandre; Børvik, Tore; Berstad, Torodd; Benallal, A; Hopperstad, Odd Sture. (2011) Failure criteria with unilateral conditions for simulation of plate perforation. European Journal of Mechanics. A, Solids
Academic article
Benallal, A; Berstad, Torodd; Børvik, Tore; des Codes, RN; Hopperstad, Odd Sture. (2011) Computational aspects in presence of negative strain-rate sensitivity with application to aluminium alloys exhibiting the Portevin-Le Chatelier effect. Modelling and Simulation in Materials Science and Engineering
Academic article
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture. (2011) Computer-aided design of protective structures: Numerical simulations and experimental validation. Applied Mechanics and Materials
Academic article
Achani, Dasharatha; Lademo, Odd-Geir; Engler, Olaf; Hopperstad, Odd Sture. (2011) Evaluation of constitutive models for textured aluminium alloys using plane-strain tension and shear tests. International Journal of Material Forming
Academic article
Saai, Afaf; Dumoulin, Stephane; Hopperstad, Odd Sture. (2011) Influence of Texture and Grain Shape on the Yield Surface in Aluminium Sheet Material Subjected to Large Deformations. AIP Conference Proceedings
Academic article
De Codes, RN; Hopperstad, Odd Sture; Engler, O; Lademo, Odd-Geir; Embury, JD; Benallal, A. (2011) Spatial and Temporal Characteristics of Propagating Deformation Bands in AA5182 Alloy at Room Temperature. Metallurgical and Materials Transactions A
Academic article
Westermann, Ida; Snilsberg, Knut Erik; Sharifi, Z; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2011) Three-Point Bending of Heat-Treatable Aluminum Alloys: Influence of Microstructure and Texture on Bendability and Fracture Behavior. Metallurgical and Materials Transactions A
Academic article
Fourmeau, Marion; Børvik, Tore; Benallal, A; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2011) On the plastic anisotropy of an aluminium alloy and its influence on constrained multiaxial flow. International journal of plasticity
Academic article
Fransplass, Henning; Langseth, Magnus; Hopperstad, Odd Sture. (2011) Tensile behaviour of threaded steel fasteners at elevated rates of strain. International Journal of Mechanical Sciences
Academic article
Gruben, Gaute; Fagerholt, Egil; Hopperstad, Odd Sture; Børvik, Tore. (2011) Fracture characteristics of a cold-rolled dual-phase steel. European Journal of Mechanics. A, Solids
Academic article
Chen, Yan; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2011) Application of a split-Hopkinson tension bar in a mutual assessment of experimental tests and numerical predictions. International Journal of Impact Engineering
Academic article
Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2010) SPECIAL ISSUE: IMPACT LOADING OF LIGHTWEIGHT STRUCTURES Preface. International Journal of Impact Engineering
Editorial
Fagerholt, Egil; Dørum, Cato; Børvik, Tore; Laukli, Hans Ivar; Hopperstad, Odd Sture. (2010) Experimental and numerical investigation of fracture in a cast aluminium alloy. International Journal of Solids and Structures
Academic article
Delhaye, Virgile Roger; Clausen, Arild Holm; Moussy, F; Hopperstad, Odd Sture; Othman, R. (2010) Mechanical response and microstructure investigation of a mineral and rubber modified polypropylene. Polymer testing
Academic article
Polanco-Loria, Mario A.; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2010) Constitutive model for thermoplastics with structural applications. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Engler, Olaf; Aegerter, J; Berstad, Torodd; Benallal, A; Hopperstad, Odd Sture. (2010) Strain-Rate Sensitivity of Aluminum Alloys AA1200 and AA3103. Journal of engineering materials and technology
Academic article
Børvik, Tore; Lange, Hans Iver; Marken, LA; Langseth, Magnus; Hopperstad, Odd Sture; Aursand, M. (2010) Pipe fittings in duplex stainless steel with deviation in quality caused by sigma phase precipitation. Materials Science & Engineering: A
Academic article
Benallal, A; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture. (2010) Uniqueness, loss of ellipticity and localization for the time-discretized, rate-dependent boundary value problem with softening. International Journal for Numerical Methods in Engineering
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Pedersen, Ketill Olav. (2010) Quasi-brittle fracture during structural impact of AA7075-T651 aluminium plates. International Journal of Impact Engineering
Academic article
Dumoulin, Stephane; Louche, H; Hopperstad, Odd Sture; Børvik, Tore. (2010) Heat sources, energy storage and dissipation in high-strength steels: Experiments and modelling. European Journal of Mechanics. A, Solids
Academic article
Moe, Heidi; Fredheim, Arne; Hopperstad, Odd Sture. (2010) Structural analysis of aquaculture net cages in current. Journal of Fluids and Structures
Academic article
Dørum, Cato; Lademo, Odd-Geir; Myhr, Ole Runar; Berstad, Torodd; Hopperstad, Odd Sture. (2010) Finite element analysis of plastic failure in heat-affected zone of welded aluminium connections. Computers & structures
Academic article
Fourmeau, Marion; Børvik, Tore; Benallal, A.; Hopperstad, Odd Sture. (2010) On the fracture locus of AA7075-T651. Proceedings of the International Conference on Experimental Mechanics
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2010) Work-hardening behaviour of a heat-treatable AA7108 aluminium alloy deformed to intermediate strains by compression. Journal of Materials Science
Academic article
Snilsberg, Knut Erik; Westermann, Ida; Holmedal, Bjørn; Hopperstad, Odd Sture; Langsrud, Yngve; Marthinsen, Knut. (2010) Anisotropy of Bending Properties in Industrial Heat-treatable Extruded Aluminium Alloys. Materials Science Forum
Academic article
Rønning, Lars; Hopperstad, Odd Sture; Larsen, Per Kristian. (2010) Numerical study of the effects of constitutive models on plastic buckling of plate elements. European Journal of Mechanics. A, Solids
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Tarigopula, Venkatapathi. (2010) On material batch variation of the dual phase steel DP800. International Journal of Material Forming
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Hanssen, Arve Grønsund; Langseth, Magnus. (2010) Modelling of tubes subjected to axial crushing. Thin-walled structures
Academic article
Dørum, Cato; Dispinar, D.; Hopperstad, Odd Sture; Berstad, Torodd. (2009) A probabilistic approach for modelling of fracture in magnesium die-castings. La Metallurgia Italiana
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2009) An evaluation of a combined isotropic-kinematic hardening model for representation of complex strain-path changes in dual-phase steel. European Journal of Mechanics. A, Solids
Academic article
Dumoulin, Stephane C.; Hopperstad, Odd Sture; Berstad, Torodd. (2009) Investigation of integration algorithms for rate-dependent crystal plasticity using explicit finite element codes. Computational Materials Science
Academic article
Achani, Dasharatha; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2009) Behaviour of extruded aluminium alloys under proportional and non-proportional strain paths. Journal of Materials Processing Technology
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Berstad, Torodd; Dispinar, D. (2009) Numerical modelling of magnesium die-castings using stochastic fracture parameters. Engineering Fracture Mechanics
Academic article
Lademo, Odd-Geir; Engler, Olaf; Keller, S; Berstad, Torodd; Pedersen, Ketill Olav; Hopperstad, Odd Sture. (2009) Identification and validation of constitutive model and fracture criterion for AlMgSi alloy with application to sheet forming. Materials & design
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Ageing and work-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science & Engineering: A
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Robustness study on the behaviour of top-hat thin-walled high-strength steel sections subjected to axial crushing. International Journal of Impact Engineering
Academic article
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Low velocity perforation of AA5083-H116 aluminium plates. International Journal of Impact Engineering
Academic article
Alsos, Hagbart Skage; Amdahl, Jørgen; Hopperstad, Odd Sture. (2009) On the resistance to penetration of stiffened plates, Part II: Numerical analysis. International Journal of Impact Engineering
Academic article
Børvik, Tore; Forrestal, M.J.; Hopperstad, Odd Sture; Warren, T.L.; Langseth, Magnus. (2009) Perforation of AA5083-H116 aluminium plates with conical-nose steel projectiles - Calculations. International Journal of Impact Engineering
Academic article
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Quasi-static perforation of thin aluminium plates. International Journal of Impact Engineering
Academic article
Reyes, Aase Gavina Roberg; Eriksson, Magnus; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Assessment of yield and fracture criteria using shear and bending tests. Materials & design
Academic article
Dørum, Cato; Laukli, Hans Ivar; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Structural behaviour of Al-Si die-castings: Experiments and numerical simulations. European Journal of Mechanics. A, Solids
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2009) Estimation of forming limit diagrams by the use of the finite element method and Monte Carlo simulation. Computers & structures
Academic article
Dørum, Cato; Laukli, Hans Ivar; Hopperstad, Odd Sture. (2009) Through-process numerical simulations of the structural behaviour of Al-Si die-castings. Computational Materials Science
Academic article
Moe, Heidi; Gaarder, RH; Olsen, Anna; Hopperstad, Odd Sture. (2009) Resistance of aquaculture net cage materials to biting by Atlantic Cod (Gadus morhua). Aquacultural Engineering
Academic article
Kane, Alexandre; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Finite Element Analysis of Plugging Failure in Steel Plates Struck by Blunt Projectiles. Journal of applied mechanics
Academic article
Achani, Dasharatha; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2009) Influence of advanced yield criteria on predictions of plastic anisotropy for aluminium alloy sheets. International Journal of Material Forming
Academic article
Chen, Yan; Pedersen, Ketill Olav; Clausen, Arild Holm; Hopperstad, Odd Sture. (2009) An experimental study on the dynamic fracture of extruded AA6xxx and AA7xxx aluminium alloys. Materials Science & Engineering: A
Academic article
Chen, Yan; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Stress-strain behaviour of aluminium alloys at a wide range of strain rates. International Journal of Solids and Structures
Academic article
Moe, Heidi; Hopperstad, Odd Sture; Ivanova, Anna ; Jensen, Østen; Fredheim, Arne. (2009) Temporary-creep and post-creep properties of aquaculture netting materials. Ocean Engineering
Academic article
Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Work- and age-hardening behaviour of a commercial AA7108 aluminium alloy. Materials Science Forum
Academic article
Benallal, A; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture; Koutiri, I; de Codes, RN. (2008) An experimental and numerical investigation of the behaviour of AA5083 aluminium alloy in presence of the Portevin-Le Chatelier effect. International journal of plasticity
Academic article
Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture; Nogueira de Codes, R. (2008) Effects of strain rate on the characteristics of PLC deformation bands for AA5083-H116 aluminium alloy. Philosophical Magazine
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Lademo, Odd-Geir. (2008) Prediction of necking for two aluminum alloys under non-proportional loading by using an FE-based approach. International Journal of Material Forming
Academic article
Grytten, Frode; Holmedal, Bjørn; Hopperstad, Odd Sture; Børvik, Tore. (2008) Evaluation of identification methods for YLD2004-18p. International journal of plasticity
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2008) Simulations of a top-hat section subjected to axial crushing taking into account material and geometry variations. International Journal of Solids and Structures
Academic article
Pedersen, Ketill O.; Roven, Hans Jørgen; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2008) Strength and ductility of aluminium alloy AA7030. Materials Science & Engineering: A
Academic article
Alsos, Hagbart Skage; Hopperstad, Odd Sture; Törnqvist, Rikard; Amdahl, Jørgen. (2008) Analytical and numerical analysis of sheet metal instability using a stress based criterion. International Journal of Solids and Structures
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2008) Elastic-plastic behaviour of dual-phase, high-strength steel under strain-path changes. European Journal of Mechanics. A, Solids
Academic article
Lademo, Odd-Geir; Berstad, Torodd; Eriksson, Magnus; Tryland, Tore Helge; Furu, Trond; Hopperstad, Odd Sture. (2008) A model for process-based crash simulation. International Journal of Impact Engineering
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm; Hild, Francois. (2008) A study of localisation in dual-phase high-strength steels under dynamic loading using digital image correlation and FE analysis. International Journal of Solids and Structures
Academic article
Pedersen, Ketill Olav; Lademo, Odd-Geir; Berstad, Torodd; Furu, Trond; Hopperstad, Odd Sture. (2008) Influence of texture and grain structure on strain localisation and formability for AlMgSi alloys. Journal of Materials Processing Technology
Academic article
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm; Hild, F; Lademo, Odd-Geir. (2008) A study of large plastic deformations in dual phase steel using digital image correlation and FE analysis. Experimental mechanics
Academic article
Polanco-Loria, Mario A.; Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd. (2008) Numerical predictions of ballistic limits for concrete slabs using a modified version of the HJC concrete model. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Pedersen, Ketill Olav; Berstad, Torodd; Furu, Trond; Hopperstad, Odd Sture. (2008) An experimental and numerical study on the formability of textured AlZnMg alloys. European Journal of Mechanics. A, Solids
Academic article
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2007) On the influence of constitutive relation in projectile impact of steel plates. International Journal of Impact Engineering
Academic article
Moe, Heidi; Olsen, Anna; Hopperstad, Odd Sture; Jensen, Østen; Fredheim, Arne. (2007) Tensile properties for netting materials used in aquaculture net cages. Aquacultural Engineering
Academic article
Wang, Ting; Hopperstad, Odd Sture; Lademo, Odd-Geir; Larsen, Per Kristian. (2007) Finite element analysis of welded beam-to-column joints in aluminium alloy EN AW 6082 T6. Finite elements in analysis and design
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2007) Numerical modelling of the structural behaviour of thin-walled cast magnesium components using a through-process approach. Materials & design
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Lademo, Odd-Geir; Benallal, Ahmed. (2007) A numerical study on the influence of the Portevin-Le Chatelier effect on necking in an aluminium alloy. Modelling and Simulation in Materials Science and Engineering
Academic article
Dey, Sumita; Børvik, Tore; Teng, Xiaoqing; Wierzbicki, Thomaz; Hopperstad, Odd Sture. (2007) On the ballistic resistance of double-layered steel plates: An experimental and numerical investigation. International Journal of Solids and Structures
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2007) Energy absorption capacity for thin-walled AM60 castings using a shear-bolt principle. Computers & structures
Academic article
Aretz, Holger; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2007) Yield function calibration for orthotropic sheet metals based on uniaxial and plane strain tensile tests. Journal of Materials Processing Technology
Academic article
Wang, Ting; Hopperstad, Odd Sture; Lademo, Odd-Geir; Larsen, Per Kristian. (2007) Finite element modelling of welded aluminium members subjected to four-point bending. Thin-walled structures
Academic article
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2007) Stochastic simulations of square aluminium tubes subjected to axial loading. International Journal of Impact Engineering
Academic article
Solberg, Jan Ketil; Leinum, John Rasmus; Embury, JD; Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture. (2007) Localised shear banding in Weldox steel plates impacted by projectiles. Mechanics of materials (Print)
Academic article
Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2006) Axial crushing of thin-walled high-strength steel sections. International Journal of Impact Engineering
Academic article
Kokkula, Satyanarayana; Hopperstad, Odd Sture; Lademo, Odd-Geir; Berstad, T; Langseth, Magnus. (2006) Offset impact behaviour of bumper beam-longitudinal systems: numerical simulations. International Journal of Crashworthiness
Academic article
Kokkula, Satyanarayana; Langseth, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2006) Offset impact behaviour of bumper beam-longitudinal systems: experimental investigations. International Journal of Crashworthiness
Academic article
Venkatapathi, Tarigopula; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2006) Axial crushing of thin-walled high-strength steel sections. International Journal of Impact Engineering
Academic article
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2006) On the influence of fracture criterion in projectile impact of steel plates. Computational Materials Science
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2006) Modeling of textured aluminum alloys used in a bumper system: Material tests and characterization. Computational Materials Science
Academic article
Wang, Ting; Hopperstad, Odd Sture; Larsen, Per Kristian; Lademo, Odd-Geir. (2006) Evaluation of a finite element modelling approach for welded aluminium structures. Computers & structures
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Berstad, T; Benallal, A. (2006) Finite element simulations of the Portevin-Le Chatelier effect in aluminium alloy. Journal de Physique IV : Colloque
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2006) An experimental study on the energy absorption capacity of thin-walled castings. International Journal of Impact Engineering
Academic article
Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture. (2006) Dynamic strain aging and related instabilities: experimental, theoretical and numerical aspects. European Journal of Mechanics. A, Solids
Academic article
Kokkula, Satyanarayana (Satya); Langseth, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2006) Behaviour of an automotive bumper beam-longitudinal system at 40 % offset impact: an experimental and numerical study. Latin American Journal of Solids and Structures
Academic article
Hanssen, Arve Grønsund; Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Design and finite element simulations of aluminium foam-filled thin-walled tubes. International Journal of Vehicle Design
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Dey, Sumita; Pizzinato, E.V.; Langseth, Magnus; Albertini, C. (2005) Strength and ductility of Weldox 460 E steel at high strain rates, elevated temperatures and various stress triaxialities. Engineering Fracture Mechanics
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2005) "FEM and a microstructure based work hardening model used to calculate forming limit curves". International Journal of Forming Processes
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2005) Numerical modelling of the structural behaviour of thin-walled cast magnesium components. International Journal of Solids and Structures
Academic article
Børvik, Tore; Clausen, Arild Holm; Eriksson, Magnus; Berstad, Torodd; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Experimental and numerical study on the perforation of AA6005-T6 panels. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2005) Prediction of plastic instability in extruded aluminium alloys using shell analysis and a coupled model of elasto-plasticity and damage. Journal of Materials Processing Technology
Academic article
Jensen, Østen; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Transition from progressive to global buckling of aluminium extrusions - a numerical study. International Journal of Crashworthiness
Academic article
Lademo, Odd-Geir; Berstad, Torodd; Pedersen, Ketill Olav; Hopperstad, Odd Sture. (2004) A numerical tool for formability analysis of aluminium alloys. Steel Grips - Journal of Steel and Related Materials
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Hanssen, Arve Grønsund; Langseth, Magnus. (2004) Modeling of material failure in foam-based components. International Journal of Impact Engineering
Academic article
Clausen, Arild Holm; Børvik, Tore; Hopperstad, Odd Sture; Benallal, Ahmed. (2004) Flow and fracture characteristics of aluminium alloy AA5083-H116 as function of strain rate, temperature and triaxiality. Materials Science & Engineering: A
Academic article
Lademo, Odd-Geir; Berstad, Torodd; Pedersen, Ketill Olav; Hopperstad, Odd Sture. (2004) A numerical tool for formability analysis of aluminium alloys: Part II. Steel Grips - Journal of Steel and Related Materials
Academic article
Lademo, Odd-Geir; Berstad, Torodd; Eriksson, Magnus; Tryland, Tore; Furu, Trond; Hopperstad, Odd Sture. (2004) "A model for process-based crash simulation". International Journal of Crashworthiness
Academic article
Jensen, Østen; Langseth, Magnus; Hopperstad, Odd Sture. (2004) Experimental investigations on the behaviour of short to long square aluminium tubes subjected to axial loading. International Journal of Impact Engineering
Academic article
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Leinum, John Rasmus; Langseth, Magnus. (2004) The effect of target strength on the perforation of steel plates using three different projectile nose shapes. International Journal of Impact Engineering
Academic article
Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2004) Perforation of AA5083-H116 aluminium plates with conical-nose steel projectiles-experimental study. International Journal of Impact Engineering
Academic article
Furu, Trond; Johansen, Arve; Sæter, Jan Anders; Dons, Anne Lise; Pedersen, Ketill Olav; Berstad, Torodd. (2004) Through process modeling of extrusion: Evolution in microstructure and mechanical properties through the hole process chain from as cast and homogenized condition to forming of profiles. Aluminium
Academic article
Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2004) FEM and a microstructure based work hardening model used to calculate forming limit curves. Esaform Conference on Material Forming. ESAFORM : Proceedings
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus. (2004) Aluminum foam-filled extrusions subjected to oblique loading: experimental and numerical study. International Journal of Solids and Structures
Academic article
Clausen, Arild Holm; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Impact resistance of AA6005 panels. Journal de Physique IV : Colloque
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Performation of AA5083-H116 aluminium plates with concial-nose steel projectiles - experimental study. International Journal of Impact Engineering
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Berstad, Torodd. (2003) On the Influence of Stress Triaxiality and Strain Rate on the Behaviour of a structural Steel. Part II. Numerical study. European Journal of Mechanics. A, Solids
Academic article
Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir. (2003) Aluminium and magnesium castings - experimental work and numerical analysis. International Journal of Crashworthiness
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus; Labibes, K.; Albertini, C.. (2003) On the Influence of Stress Triaxiality and Stain Rate on the Behaviour of a Structural Steel. Part I. Experiments. European Journal of Mechanics. A, Solids
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Reyes, Aase Gavina Roberg; Langseth, Magnus; Solomos, G.; Dyngeland, Torbjørn. (2003) Empty and foam-filled circular aluminium tubes subjected to axial and oblique quasi-static loading. International Journal of Crashworthiness
Academic article
Benallal, Ahmed; Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture. (2003) Dynamic Strain Aging, Negative Strain-Rate Sensitivity and Related Instabilities. Technische Mechanik
Academic article
Børvik, Tore; Langseth, Magnus; Malo, Kjell A.; Hopperstad, Odd Sture. (2003) Effect of Target Thickness in Blunt Projectile Peneration of Weldox 460 E Steel Plates. International Journal of Impact Engineering
Academic article
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Hanssen, Arve Grønsund; Langseth, Magnus. (2003) Constitutive modeling of aluminum foam including fracture and statistical variation of density. European Journal of Mechanics. A, Solids
Academic article
Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2003) Square aluminum tubes subjected to oblique loading. International Journal of Impact Engineering
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2002) Perforation of 12 mm Thick Steel Plates by 20 mm diameter Projectiles with Blunt, Hemispherical and Conical Noses, Part II: Numerical Simulations. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Hopperstad, Odd Sture; Malo, Kjell A.; Pedersen, K.O.. (2002) Modelling of plastic anisotropy in heat-treated aluminium extrusions. Journal of Materials Processing Technology
Academic article
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus; Labibes, K.; Albertini, C.. (2002) On the Influence of Stress Triaxiality and Strain Rate on the Behaviour of Structural Steel. European Journal of Mechanics. A, Solids
Academic article
Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Malo, Kjell A.. (2002) Preforation of 12 mm Thick Steel Plates by 20 mm diameter Projectiles with Blunt, Hemispherical and Conical Noses, Part I: Experimental Study. International Journal of Impact Engineering
Academic article
Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Crashworthiness of aluminum extrusions subjected to oblique loading: experiments and numerical analyses. International Journal of Mechanical Sciences
Academic article
Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2002) Validation of constitutive models applicable to aluminium foams. International Journal of Mechanical Sciences
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2002) Stretch Bending of Aluminium Extrusions. International Journal of Applied Mechanics and Engineering
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Crash behaviour of foam-based components: validation and numerical simulations. Advanced Engineering Materials
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2001) Optimum design for energy absorption of square aluminium columns with aluminium foam filler. International Journal of Mechanical Sciences
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Sensitivity of model parameters in stretch bending of aluminium extrusions. International Journal of Mechanical Sciences
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Sensitivity of model parameters in stretch bending of aluminium extrusions. International Journal of Mechanical Sciences
Academic article
Børvik, Tore; Leinum, John Rasmus; Solberg, Jan Ketil; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Observations on shear plug formation in Weldox 460 E steel plates impacted by blunt-nosed projectiles. International Journal of Impact Engineering
Academic article
Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Design of aluminium foam-filled crash boxes with square and circular cross sections. International Journal of Crashworthiness
Academic article
Børvik, Tore; Hopperstad, Odd Sture; Berstad, T; Langseth, Magnus. (2001) Numerical Simulation of Plugging Failure in Ballistic Penetration. International Journal of Solids and Structures
Academic article
Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Berstad, T. (2001) A Computational Model of Viscoplasticity and Ductile Damage for Impact and Penetration. European Journal of Mechanics. A, Solids
Academic article
Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2000) Bending of Square Aluminium Extrusions with Aluminium Foam Filler. Acta Mechanica
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2000) Static and Dynamic Crushing of Circular Aluminium Extrusions with Aluminium Foam Filler. International Journal of Impact Engineering
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2000) Static and Dynamic Crushing of Square Aluminium Extrusions with Aluminium Foam Filler. International Journal of Impact Engineering
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2000) Stretch bending of aluminium extrusions for car bumpers. Journal of Materials Processing Technology
Academic article
Hanssen, Arve Grønsund; Lorenzi, Lorenzo; Berger, Karl Kristian; Langseth, Magnus; Hopperstad, Odd Sture. (2000) A Demonstrator Bumper System Based on Aluminium Foam Filled Crash Boxes. International Journal of Crashworthiness
Academic article
Tryland, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2000) Design of Experiments to Identify Material Properties. Materials & design
Academic article
Tryland, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (1999) Nonperfect Aluminum Beams Subjected to Concentrated Loading. Journal of Structural Engineering
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (1999) Static crushing of square aluminium extrusions with aluminium foam filler. International Journal of Mechanical Sciences
Academic article
Hopperstad, Odd Sture; Leira, Bernt Johan; Remseth, Svein N; Trømborg, Egil. (1999) Reliability-based analysis of a stretch-loading process for aluminium extrusions. Computers & structures
Academic article
Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (1999) Static Crushing of Square Aluminium Extrusions with Aluminium Foam Filler. International Journal of Mechanical Sciences
Academic article
Hopperstad, Odd Sture; Langseth, Magnus; Tryland, Tore. (1999) Ultimate Strength of Aluminium Alloy Outstands in Compression: Experiments and Simplified Analysis. Thin-walled structures
Academic article
Langseth, Magnus; Hopperstad, Odd Sture; Berstad, Torodd. (1999) Impact loading of plates. Validation of numerical simulations by testing. International Journal of Offshore and Polar Engineering
Academic article
Langseth, Magnus; Hopperstad, Odd Sture; Berstad, Torodd. (1999) Crashworthiness of Aluminium Extrusions: Validation of Numerical Simulations, Effect of Mass Ratio and Impact Velocity. International Journal of Impact Engineering
Academic article
Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Malo, Kjell A.. (1999) Ballistic Penetration of Steel Plates. International Journal of Impact Engineering
Academic article
Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (1999) An Evaluation of Yield Criteria and Flow Rules for Extruded Aluminium Alloys. International journal of plasticity
Academic article
Moen, Lars A.; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Rotational Capacity of Aluminium Beams under Moment Gradient: Experiments. Journal of Structural Engineering
Academic article
Moen, Lars A.; De Matteis, G.; Hopperstad, Odd Sture; Langseth, Magnus; Landolfo, R.; Mazzolani, F.M.. (1999) Rotational Capacity of Aluminium Beams under Moment Gradient: Numerical Simulations. Journal of Structural Engineering
Academic article
Tryland, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Steel girders subjected to concentrated loading - Validation of numerical simulations. Journal of constructional steel research
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Stretch Bending of Aluminium Extrusions: Effect of Geometry and Alloy. Journal of Engineering Mechanics
Academic article
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1999) Stretch Bending of Aluminium Extrusions: Effect of Tensile Sequence. Journal of Engineering Mechanics
Academic article
Mathisen, Kjell Magne; Hopperstad, Odd Sture; Okstad, Knut Morten; Berstad, Torodd. (1999) Error Estimation and Adaptivity in Explicit Nonlinear Finite Element Simulation of Quasi-Static Problems. Computers & structures
Academic article
Langseth, Magnus; Hopperstad, Odd Sture; Hanssen, Arve Grønsund. (1998) Crash Behaviour of Thin-Walled Aluminium Members. Thin-walled structures
Academic article
Moen, Lars A.; Langseth, Magnus; Hopperstad, Odd Sture. (1998) Elastoplastic Buckling of Anisotropic Aluminium Plate Elements. Journal of Structural Engineering
Academic article
Hopperstad, Odd Sture; Berstad, Torodd; Ilstad, Håvar; Lademo, Odd-Geir; Langseth, Magnus. (1998) Effects of the Yield Criterion on Local Deformations in Numerical Simulation of Profile Forming. Journal of Materials Processing Technology
Academic article
Malo, Kjell A.; Hopperstad, Odd Sture; Lademo, Odd-Geir. (1998) Calibration of Anisotropic Yield Criteria Using Uniaxial Tension Tests and Bending Tests. Journal of Materials Processing Technology
Academic article
Hopperstad, Odd Sture; Langseth, Magnus; Hanssen, Lars. (1997) Ultimate Compressive Strength of Plate Elements in Aluminium: Correlation of Finite Element Analyses and Tests. Thin-walled structures
Academic article
Langseth, Magnus; Hopperstad, Odd Sture. (1996) Static and dynamic axial crushing of square thin-walled aluminium extrusions. International Journal of Impact Engineering
Academic article
Langseth, Magnus; Hopperstad, Odd Sture. (1996) Local buckling of square thin-walled aluminium extrusions. Thin-walled structures
Academic article
Hopperstad, Odd Sture; Langseth, Magnus; Remseth, Svein N. (1995) Cyclic stress-strain behaviour of alloy AA6060. Part I, Uniaxial experiments and modelling. International journal of plasticity
Academic article
Hopperstad, Odd Sture; Langseth, Magnus; Remseth, Svein N. (1995) Cyclic stress-strain behaviour of alloy AA6060 T4. Part II, Biaxial experiments and modelling. International journal of plasticity
Academic article
Hopperstad, Odd Sture; Remseth, Svein N. (1995) A return mapping algorithm for a class of cyclic plasticity models. International Journal for Numerical Methods in Engineering
Academic article

Books

Hopperstad, Odd Sture; Malo, Kjell A; Ilstad, Håvard. (1996) SAFE '96 BENCHKODE : benchmark-tester for formingsanalyser. NTNU. Inst. f. konstruksjonsteknikk
Non-fiction book
Hopperstad, Odd Sture; Langseth, Magnus; Remseth, Svein N. (1993) Uniaxial cyclic testing and modelling of the aluminium alloy 6060 in temper T4 and T6. Report / Institutt for konstruksjonsteknikk, Universitetet i Trondheim, Norges tekniske høgskole
Non-fiction book

Part of book/report

Granum, Henrik; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) Simulation of blast-loaded aluminium plates with crack-like defects. International Center for Numerical Methods in Engineering (CIMNE)
Academic chapter/article/Conference paper
Granum, Henrik; Aune, Vegard; Børvik, Tore; Hopperstad, Odd Sture. (2018) Aluminium plates with pre-formed slits subjected to blast loading. EDP Sciences
Academic chapter/article/Conference paper
Nam, Woongshik; Amdahl, Jørgen; Hopperstad, Odd Sture. (2016) Influence of brittle fracture on the crashworthiness of ship and offshore structures in Arctic conditions.
Academic chapter/article/Conference paper
Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2015) X65 STEEL PIPES SUBJECTED TO COMBINED STRETCHING AND BENDING. International Center for Numerical Methods in Engineering (CIMNE)
Academic chapter/article/Conference paper
Vilamosa, Vincent; Børvik, Tore; Hopperstad, Odd Sture; Clausen, Arild Holm. (2015) Behaviour and modelling of aluminium alloy AA6060 subjected to a wide range of strain rates and temperatures. EDP Sciences
Academic chapter/article/Conference paper
Holmen, Jens Kristian; Børvik, Tore; Myhr, Ole Runar; Hopperstad, Odd Sture. (2015) Perforation of welded aluminum extrusions: Numerical prediction and experimental validation. EDP Sciences
Academic chapter/article/Conference paper
Storheim, Martin; Alsos, Hagbart Skage; Hopperstad, Odd Sture; Amdahl, Jørgen. (2015) An Extension of the BWH Instability Criterion: Numerical Study. The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
Kristoffersen, Martin; Casadei, Folco; Børvik, Tore; Langseth, Magnus; Solomos, George; Hopperstad, Odd Sture. (2013) NUMERICAL SIMULATIONS OF SUBMERGED AND PRESSURISED X65 STEEL PIPES. International Center for Numerical Methods in Engineering (CIMNE)
Academic chapter/article/Conference paper
Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Ilstad, Håvar; Levold, Erik. (2013) DAMAGE AND FAILURE IN AN X65 STEEL PIPELINE CAUSED BY TRAWL GEAR IMPACT. The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
Westermann, Ida; Hopperstad, Odd Sture; Myhr, Ole Runar; Marthinsen, Knut; Holmedal, Bjørn. (2012) Modeling of Work-Hardening in an Age-hardenable AA7108 Aluminum Alloy. John Wiley & Sons
Academic chapter/article/Conference paper
Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2012) Modeling of Transients as a Response to Changes in Strain–Path of Commercially Pure Aluminium. John Wiley & Sons
Academic chapter/article/Conference paper
Ognedal, Anne Serine; Clausen, Arild Holm; Hopperstad, Odd Sture; Polanco-Loria, Mario; Benallal, Ahmed; raka, bumedijen. (2010) Experimental and numerical study on the behaviour of PVC and HDPE in biaxial tension.
Academic chapter/article/Conference paper
Clausen, Arild Holm; Hovden, Martin Thuve; Polanco-Loria, Mario; Berstad, Torodd; Hopperstad, Odd Sture. (2010) Constitutive nodel for thermoplastics - calibration and validation.
Academic chapter/article/Conference paper
Delhaye, Virgile Roger; Clausen, Arild Holm; Hopperstad, Odd Sture; Moussy, Francois; Othman, Ramzi; nesa, daniel. (2010) Behaviour and modelling of a rubber-modified polypropylene.
Academic chapter/article/Conference paper
Westermann, Ida; Snilsberg, Knut Erik; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2010) Bendability and Fracture Behaviour of Heat-treatable Extruded Aluminium Alloys.
Academic chapter/article/Conference paper
Kane, Alexandre; Østby, Erling; Lademo, Odd-Geir; Berstad, Torodd; Hopperstad, Odd Sture. (2010) EFFECTS OF THE YIELD CRITERION ON PREDICTED FRACTURE RESPONSES OF PIPELINES SUBJECTED TO LARGE PLASTIC DEFORMATION WITH AND WITHOUT INTERNAL PRESSURE. The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Lademo, Odd-Geir. (2009) Forming limit diagrams with an FE-based approach for sheets under non-proportional loading.
Academic chapter/article/Conference paper
Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2009) A Constitutive Model for Thermoplastics Intended for Structural Applications.
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2009) Behaviour and Modelling of Dual-Phase Steels.
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Clausen, Arild Holm; Langseth, Magnus. (2009) Effect of pre-straining on localisation and fracture of dual-phase steel at elevated rates of strain. EDP Sciences
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Albertini, Carlo; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2009) A hydro-pneumatic machine for intermediate strain-rates: Set-up, tests and numerical simulations. EDP Sciences
Academic chapter/article/Conference paper
Clausen, Arild Holm; Polanco-Loria, Mario A.; Moura, Rafael Traldi; Alves, Marcilio; Berstad, Torodd; Langseth, Magnus. (2009) Polymer plates subjected to impact: Experimental tests and numerical simulations. EDP Sciences
Academic chapter/article/Conference paper
Chen, Yan; Hopperstad, Odd Sture; Clausen, Arild Holm; Børvik, Tore; Berstad, Torodd. (2009) Finite element analyses of Charpy tests on extruded aluminium alloys. EDP Sciences
Academic chapter/article/Conference paper
Børvik, Tore; Aunehaugen, Heidi; Hopperstad, Odd Sture. (2009) Impact behaviour of the high-strength aluminium alloy AA7075-T651. EDP Sciences
Academic chapter/article/Conference paper
Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Langseth, Magnus. (2009) On the main mechanisms in ballistic perforation of steel plates at sub-ordnance impact velocities. Springer
Academic chapter/article/Conference paper
Fyllingen, Ørjan; Hopperstad, Odd Sture; Hanssen, Arve Grønsund; Langseth, Magnus. (2009) Brick versus shell elements in simulations of aluminium extrusions subjected to axial crushing.
Other
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Robustness study of top-hat sections of high strength steel subjected to axial crushing.
Other
Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture; Nogueira de Codes, R. (2008) On the Measurement and Evaluation of the Width of Portevin–Le Chatelier Deformation Bands with Application to AA5083-H116 Aluminium Alloy. Springer
Academic chapter/article/Conference paper
Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Wierzbicki, Thomaz. (2008) Ballistic Resistance of Double-layered Metal Sheets.
Academic chapter/article/Conference paper
Lademo, Odd-Geir; Eriksson, Magnus; Hopperstad, Odd Sture; Langseth, Magnus. (2008) Characterization and modeling of failure in ductile sheet metals.
Academic chapter/article/Conference paper
Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A modified Boyce-Raghava model for constitutive modelling of thermoplastics.
Academic chapter/article/Conference paper
Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A Constitutive Model for Thermoplastics in Structural Applications.
Other
Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm; Hild, Francois. (2008) Characterization of localization and large plastic deformations in dual-phase steel using digital image correlation.
Other
Dørum, Cato; Dispinar, D; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A probabilistic approach for modelling of fracture in magnesium die-castings.
Other
Dørum, Cato; Hopperstad, Odd Sture; Berstad, Torodd; Laukli, Hans Ivar. (2008) A probabilistic approach for modelling fracture in die-castings.
Other
Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture. (2008) Influence of Element Formulation on the Axial Crushing of Thin-walled Dual-Phase Steel Square Sections.
Other
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2008) Numerical Modelling of the Mechanical Behaviour of Dual-Phase Steels.
Other
Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Wierzbicki, Thomaz; Teng, X. (2008) Ballistic Resistance of Double-Layered Metal Plates.
Other
Reyes, Aase Gavina Roberg; Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir; Eriksson, Magnus. (2008) Validation study of failure prediction in crash analysis.
Academic chapter/article/Conference paper
Alsos, Hagbart Skage; Hopperstad, Odd Sture; Amdahl, Jørgen. (2007) Prediction of rupture in collision and grounding using the BWH failure criterion.
Academic chapter/article/Conference paper
Kokkula, Satyanarayana; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir. (2007) High speed offset impact behaviour of an automotive bumper beam-longitudinal system.
Academic chapter/article/Conference paper
Chen, Yan; Hopperstad, Odd Sture; Lademo, Odd-Geir; Clausen, Arild Holm; Berstad, Torodd; Langseth, Magnus. (2007) Preliminary simulations of the instrumented Charpy V-notch impact test. Tapir Akademisk Forlag
Academic chapter/article/Conference paper
Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Clausen, Arild Holm; Langseth, Magnus. (2007) Effect of pre-straining on the dynamic mechanical behaviour of dual-phase high-strength steel alloys.
Academic chapter/article/Conference paper
Achani, Dasharatha; Eriksson, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2007) Modelling of local necking and fracture in aluminum alloys. AIP Publishing (American Institute of Physics)
Academic chapter/article/Conference paper
Chen, Yan; Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2007) Behaviour of aluminium alloys under elevated rates of strain.
Academic chapter/article/Conference paper
Eriksson, Magnus; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2006) Development and use of in-plane shear tests to identify ductile failure parameters of aluminium alloys.
Academic chapter/article/Conference paper
Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Lademo, Odd-Geir; Benallal, Ahmed. (2006) A preliminary numerical study on the influence of PLC on formability of aluminium alloys.
Academic chapter/article/Conference paper
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2006) On the Quasi-Static Perforation Resistance of Circular AA5083-H116 Aluminium Plates.
Academic chapter/article/Conference paper
Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2006) Simulations of Axially Loaded Straight Aluminium Profiles with Random Geometric Imperfections.
Academic chapter/article/Conference paper
Reyes, Aase Gavina Roberg; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2006) Bending of extruded aluminum plates.
Academic chapter/article/Conference paper
Berstad, Torodd; Hopperstad, Odd Sture; Clausen, Arild Holm; Ilstad, Håvar; Melve, Bjørn. (2006) Implementation of Constitutive Model for Thermoplastics with some Preliminary Results.
Academic chapter/article/Conference paper
Achani, Dasharatha; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2005) Behaviour of extruded aluminium alloy sheets under non-proportional loading.
Academic chapter/article/Conference paper
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus; Sannes, Stian. (2005) Energy Absorption Capacity for HPDC components.
Academic chapter/article/Conference paper
Lademo, Odd-Geir; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2005) Prediction of plastic instability and fracture in extruded aluminium alloys in shell element analysis.
Academic chapter/article/Conference paper
Fjeldbo, Snorre Kjørstad; Holmedal, Bjørn; Lademo, Odd-Geir; Bjerkaas, Hans; Støren, Sigurd; Roven, Hans Jørgen. (2005) A numerical study on the onset of plastic instability in extruded materials with strong through-thickness texture variation.
Academic chapter/article/Conference paper
Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Numerical simulations of perforation of AA5083-H116 plates.
Academic chapter/article/Conference paper
Wang, Ting; Hopperstad, Odd Sture; Larsen, Per Kristian; Lademo, Odd-Geir. (2005) Evaluation of a finite element approach for welded aluminium structures. WIT Press
Academic chapter/article/Conference paper
Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus; Sannes, Stian. (2005) Numerical Modelling of the Structural Behavior of Thin-Walled Cast Magnesium Components Using a Through-Process Approach.
Academic chapter/article/Conference paper
Venkatapathi, Tarigopula; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2005) An experimental and numerical study of energy absorption in thin-walled high-strength steel sections. WIT Press
Academic chapter/article/Conference paper
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2005) Material characterization and modeling of textured aluminum alloys used in a bumper system. WIT Press
Academic chapter/article/Conference paper
Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Influence of the constitutive relation in numerical simulations of the perforation of steel plates. WIT Press
Academic chapter/article/Conference paper
Kokkula, Satyanarayana; Langseth, Magnus; Hopperstad, Odd Sture; Lademo, Odd-Geir. (2005) Behaviour of an automotive bumper beam-longitudinal system at 40% offset impact: An experimental and numerical study. WIT Press
Academic chapter/article/Conference paper
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Crash behavior of obliquely loaded foam-filled aluminum extrusions.
Academic chapter/article/Conference paper
Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Crash behavior of obliquely loaded aluminum extrusions. WIT Press
Academic chapter/article/Conference paper

Report

Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture. (2021) An experimental and numerical study of the Portevin-Le Chatelier effect in an AlMg alloy. Norwegian University of Science and Technology
Doctoral dissertation
Frodal, Bjørn Håkon; Hopperstad, Odd Sture; Børvik, Tore. (2019) Micromechanical modelling of ductile fracture in aluminium alloys. Doktoravhandlinger ved NTNU (253)
Doctoral dissertation
Holmstrøm, Petter Henrik; Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) An experimental and numerical study of the mechanical behaviour of short glass-fibre reinforced thermoplastics. Norwegian University of Science and Technology
Doctoral dissertation
Christiansen, Emil; Holmestad, Randi; Hopperstad, Odd Sture; Marioara, Calin Daniel. (2019) Nanoscale Characterisation of Deformed Aluminium Alloys. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (252)
Doctoral dissertation
Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2019) Plastic flow and fracture of isotropic and anisotropic 6000-series aluminium alloys: experiments and numerical simulations. Doktoravhandlinger ved NTNU (312)
Doctoral dissertation
Osnes, Karoline; Børvik, Tore; Hopperstad, Odd Sture. (2019) Monolithic and laminated glass under extreme loading: Experiments, modelling and simulations. Doktoravhandlinger ved NTNU (304)
Doctoral dissertation
Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Hopperstad, Odd Sture. (2017) Thermomechanical behaviour of semi-crystalline polymers: experiments, modelling and simulation. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
Dæhli, Lars Edvard; Hopperstad, Odd Sture; Børvik, Tore. (2017) Numerical studies on ductile failure of aluminium alloys. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
Qin, Jisheng; Holmedal, Bjørn; Hopperstad, Odd Sture. (2017) Experimental investigation and modelling of strain-path changes in metals. NTNU
Doctoral dissertation
Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2014) Impact against X65 offshore pipelines. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
Doctoral dissertation
Zhang, Kai; Holmedal, Bjørn; Marthinsen, Knut; Hopperstad, Odd Sture; Dumoulin, Stephane. (2014) Multi-level Modelling of Plastic Anisotropy of Aluminium Alloys Using Crystal Plasticity Models and Advanced Yield Functions. NTNU-trykk
Doctoral dissertation
Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture; Marthinsen, Knut. (2013) Plastic-Anisotropy Modelling: Textrue, Strain-Rate and Strain-Path Changes. Doktoravhandlinger ved NTNU (304)
Doctoral dissertation
Holmen, Jens Kristian; Johnsen, Joakim; Børvik, Tore; Hopperstad, Odd Sture. (2012) Effects of Heat Treatment on the Ballistic Properties of AA6070 Aluminium Plates. NTNU
Masters thesis
Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Clausen, Arild Holm; Benallal, Ahmed. (2005) A hypoelastic-viscoplastic constitutive model in LS-DYNA for dynamic strain aging – the McCormick model. Institutt for konstruksjonsteknikk, NTNU
Report
Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2004) High-strength steel plates subjected to projectile impact - An experimental and numerical study. NTNU
Doctoral dissertation
Clausen, Arild Holm; Børvik, Tore; Hopperstad, Odd Sture. (2003) Material tests and calibration of flow and fracture models for aluminium alloy AA5083. [Mangler utgivernavn]
Report
Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2002) Implementation of a material model for aluminum foam in LS-DYNA. Department of Structural Engineering
Report
Hildrum, Hilde Giæver; Berstad, Torodd; Lademo, Odd-Geir; Malo, Kjell A.; Hopperstad, Odd Sture. (2002) An Introductory FEM Study of Strain Localisation in Welded Aluminium Structures. Part II: Fiilet Weld. [Mangler utgivernavn]
Report
Hildrum, Hilde Giæver; Hopperstad, Odd Sture. (2002) Rigid Body Weld Constraint in LS-DYNA for Welded Aluminium Structures: An Introductory Study. [Mangler utgivernavn]
Report
Hopperstad, Odd Sture; Lademo, Odd-Geir; Malo, Kjell A.. (2002) A compression test for identification of stress and strain behaviour in balanced biaxial tension: Preliminary Considerations. SINTEF Rapport
Report
Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2002) Aluminium foam-based crash box for Renault bumper system. [Mangler utgivernavn]
Report
Hopperstad, Odd Sture; Børvik, Tore; Pizzinato, E.V.; Langseth, Magnus; Albertini, C.. (2002) On the influence of strain rate, temperature and stress triaxiality on strength and ductility of a structural steel: Experiments, constitutive relations and fracture criteria. [Mangler utgivernavn]
Report
Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 6: Experimental and numerical results. SINTEF Materialteknologi
Report
Lademo, Odd-Geir; Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analysis. Report 3: Material testing. SINTEF Materialteknologi
Report
Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 1: Project introduction and executive summary. SINTEF Materialteknologi
Report
Malo, Kjell A.; Lademo, Odd-Geir; Hopperstad, Odd Sture. (2001) Characterisation of Plastic Anisotropy by simple Mechanical Tests. Report R-11-01
Report
Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 5: FE modelling of components. SINTEF Materialteknologi
Report
Hanssen, Arve Grønsund; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 4: Experimental test set-up for components. SINTEF Materialteknologi
Report
Lademo, Odd-Geir; Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Improved prediction quality of structural crash analyses. Report 2: Overview of constitutive modelling of aluminium extrusions. SINTEF Materialteknologi
Report
Clausen, Arild Holm; Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore. (2001) Uniaxial Tensile Tests on Weldox Steels at Different Strain Rates. Institutt for konstruksjonsteknikk, NTNU
Report
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2000) Analysis of plugging failure in blunt projectile impact of steel plates using the Bai-Johnson model. Institutt for konstruksjonsteknikk, NTNU
Report
Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2000) Prediction of ductile tensile failure in structural steel using a fracture model based on continuum damage mechanics. Institutt for konstruksjonsteknikk, NTNU
Report
Hopperstad, Odd Sture; Børvik, Tore; Dey, Sumita; Langseth, Magnus. (2000) Neural network-based model for perforation of steel plates. Institutt for konstruksjonsteknikk, NTNU
Report
Pedersen, Ketill O.; Hopperstad, Odd Sture; Roven, Hans Jørgen; Ulseth, Pål. (1999) Studies on plastic deformation, damage & fracture of aluminium alloy 7030.60. SINTEF Report
Report
Ødegård, Jack; Søvik, O.P.; Zhang, Z.; Hopperstad, Odd Sture; Pedersen, K.; Roven, Hans Jørgen. (1998) Deformasjon og bruddutvikling i aluminiumslegeringer. Særtrykk (STF24 S)
Report
Malo, Kjell A.; Hopperstad, Odd Sture; Lademo, Odd-Geir. (1998) Calibration of anisotropic yield criteria using uniaxial tension tests and bending tests. Report (R-6-98)
Report
Malo, Kjell A.; Hopperstad, Odd Sture. (1997) Experimental pure bending. Report (R-41-97)
Report
Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1996) Stretch bending rig : experimental set-up. Report (R-9-96)
Report
Lademo, Odd-Geir; Ilstad, Håvard; Hopperstad, Odd Sture; Langseth, Magnus. (1995) MASIPRO : flytekriterier for aluminiumlegeringer. Rapport (R-24-95)
Report
Hopperstad, Odd Sture; Larssen, Rolf M.; Leira, Bernt J.; Remseth, Svein N. (1995) Profilforming - fase II. Rapport (R-23-95)
Report
Hopperstad, Odd Sture; Langseth, Magnus; Tryland, Tore. (1995) An experimental and theoretical study on the stability and ultimate strength of aluminium alloy outstands in compression. Report (R-14-95)
Report
Hopperstad, Odd Sture; Langseth, Magnus; Hanssen, Lars. (1995) Simulation of plastic buckling and post-buckling behaviour of aluminium alloy outstands. Report (R-15-95)
Report
Hopperstad, Odd Sture; Roven, Hans Jørgen; Welo, Torgeir. (1995) Profilforming : dr.ing.aktiviteter i perioden 1990-1998. NTH. Inst. f. konstruksjonsteknikk
Compendium
Hopperstad, Odd Sture. (1995) Energimetoder. Norges tekniske høgskole. Institutt for konstruksjonsteknikk
Compendium
Hopperstad, Odd Sture; Langseth, Magnus. (1994) Inelastisk knekking av fritt opplagte aluminiumsplater : sammenligning av numeriske og eksperimentelle resultater. Norges tekniske høgskole. Institutt for konstruksjonsteknikk
Compendium
Tryland, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (1994) Aluminiumkonstruksjoner : knekking av tynnveggede tverrsnitt : litteraturstudium. Norges tekniske høgskole. Institutt for konstruksjonsteknikk
Compendium

Teaching

Courses

Knowledge Transfer

2024

Academic lecture

Dæhli, Lars Edvard Blystad; Morin, David Didier; Hopperstad, Odd Sture. (2024) Micromechanically-based computational modelling of ductile solids incorporating non-uniform void size distributions. IMDEA, Polytechnical University of Madrid EMMC19 , Madrid 2024-05-29 - 2024-05-31
Academic lecture

Dæhli, Lars Edvard Blystad; Morin, David Didier; Hopperstad, Odd Sture. (2024) Micromechanics-based modeling of porous ductile solids with non-uniform void size distributions. ESIS ECF24 , Zagreb 2024-08-26 - 2024-08-30
Academic lecture

Asadkandi, Hassan Moradi; Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2024) Crystal plasticity finite element method, implementation, and applications . Nasjonal konferanse for Materialteknologi 2024 2024-08-28 - 2024-08-29

2023

Academic lecture

Dæhli, Lars Edvard Blystad; Morin, David Didier; Faleskog, Jonas; Hopperstad, Odd Sture. (2023) A cost-efficient numerical model to study effects of void size distribution on ductile failure. COMPLAS 2023 , Barcelona 2023-09-05 - 2023-09-07
Academic lecture

Xu, Jianbin; Hopperstad, Odd Sture; Holmedal, Bjørn; Manik, Tomas; Marthinsen, Knut. (2023) Experimental and numerical investigation on the spatio-temporal characteristics of the Portevin-le-Chatelier effect in an aluminium alloy. International Conference on Plasticity, Deformation & Fracture , Punta Cana 2023-01-03 - 2023-01-09
Academic lecture

Sur, Anne-Sophie; De Lorenzis, Laura; Maurini, Corrado; Hopperstad, Odd Sture. (2023) A variational damage-plasticity model depending on hydrostatic stresses. Czech Technical University in Prague The Seventh International Conference on Computational Modeling of Fracture and Failure of Materials and Structures , Prague 2023-06-21 - 2023-11-23
Academic lecture

Sur, Anne-Sophie; Hopperstad, Odd Sture; Morin, David Didier; Gruben, Gaute. (2023) Modelling of running ductile fracture by coupling the phase-field evolution with a local damage model. European Community on Computational Methods in Applied Sciences COMPLAS 2023 , Barcelona 2023-06-21 - 2023-11-23
Academic lecture

Færgestad, Rannveig Marie; Olivieri, Lorenzo; GIACOMUZZO, Cinzia; LOPRESTI, Stefano; FRANCESCONI, Alessandro; Cardone, Tiziana. (2023) EXPERIMENTAL STUDY OF HYPERVELOCITY IMPACT AGAINST ALUMINIUM WHIPPLE SHIELDS. CNES, ESA, DLR 17th European Conference on Spacecraft Structures Materials and Environmental Testing (ECSSMET) , Toulouse 2023-03-28 - 2023-03-30
Academic lecture

Færgestad, Rannveig Marie; Olivieri, Lorenzo; GIACOMUZZO, Cinzia; FRANCESCONI, Alessandro; LOPRESTI, Stefano; Cardone, Tiziana. (2023) Experimental and numerical study of hypervelocity impact against aluminium Whipple shields with systematic parameter variation. European Space Agency 3rd European Hypervelocity Impact Risk Assessment Forum - experimental and numerical testing , Puybrun 2023-10-10 - 2023-10-11
Academic lecture

Asadkandi, Hassan Moradi; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2023) Crystal Plasticity simulations of complex geometries. 5th International Conference on Light Materials - Science and Technology 2023-06-21 - 2023-06-23
Academic lecture

Asadkandi, Hassan Moradi; Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2023) Crystal plasticity prediction of the elasto-plastic transition. 14 th International Conference on the Technology of Plasticity 2023-09-24 - 2023-09-29
Academic lecture

Holmedal, Bjørn; Manik, Tomas; Reyne, Baptiste; Hopperstad, Odd Sture. (2023) From kinematic to distortional hardening. 14 th International Conference on the Technology of Plasticity 2023-09-24 - 2023-09-29
Academic lecture

Holmedal, Bjørn; Asadkandi, Hassan Moradi; Hopperstad, Odd Sture; Manik, Tomas; Reyne, Baptiste. (2023) Towards the next generation continuum plasticity theory for metals. 5th International Conference on Light Materials - Science and Technology 2023-06-21 - 2023-06-23

2022

Academic lecture

Rudshaug, Jonas; Hopperstad, Odd Sture; Børvik, Tore. (2022) Modeling of crack propagation in glass. National University of Galway 11th European Solid Mechanics Conference (ESMC 2022) , Galway 2022-07-04 - 2022-07-08
Academic lecture

Dæhli, Lars Edvard Blystad; Tekoglu, Cihan; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2022) Ductile failure predictions based on micromechanical models. 11th European Solid Mechanics Conference 2022-07-04 - 2022-07-08
Academic lecture

Obkircher, Debora; Costas, Miguel; Børvik, Tore; Hopperstad, Odd Sture. (2022) Shape and size optimization of a complex extruded aluminium profile for protection of battery trays in electric vehicles. ECCOMAS Congress 2022 2022-06-05 - 2022-06-09
Academic lecture

Hopperstad, Odd Sture. (2022) Modelling of failure in aluminium structures. International Conference on Impact Loading of Structures and Materials (ICILSM 2022) 2022-06-13 - 2022-06-17
Academic lecture

Hopperstad, Odd Sture. (2022) Modelling of plasticity and fracture across the scales – applications to aluminium alloys. 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022) 2022-06-05 - 2022-06-09
Academic lecture

Hopperstad, Odd Sture; Thomesen, Susanne; Frodal, Bjørn Håkon; Børvik, Tore. (2022) Crystal plasticity modelling and simulation of plastic flow and fracture of aluminium alloys. ESMC 2022 – 11th European Solid Mechanics Conference 2022-07-04 -
Academic lecture

Espeseth, Vetle; Børvik, Tore; Hopperstad, Odd Sture. (2022) Low-velocity impact on aluminium plates with geometric defects. An experimental and numerical study. 3rd International Conference on Impact Loading of Structures and Materials , Trondheim 2022-06-13 - 2022-06-17
Academic lecture

Sælen, Ruben Løland; Hopperstad, Odd Sture; Clausen, Arild Holm. (2022) Material modelling and mechanical behaviour of an SLA additively manufactured polymer. Nordic Association of Computational Mechanics ECCOMAS Congress 2022 , Oslo 2022-06-05 - 2022-06-09

2021

Academic lecture

Frodal, Bjørn Håkon; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2021) On the coupling of damage and single crystal plasticity for ductile polycrystalline materials. 25th International Congress of Theoretical and Applied Mechanics (ICTAM) , Milano+Virtual 2021-08-22 - 2021-08-27
Academic lecture

Hopperstad, Odd Sture; Thomesen, Susanne; Frodal, Bjørn Håkon; Tomstad, Asle Joachim; Børvik, Tore. (2021) Plastic flow and fracture in anisotropic aluminium alloys: Experiments, modelling and simulation. 2nd International Workshop on Plasticity, Damage and Fracture of Engineering Materials (IWPDF 2021)) , Online 2021-08-18 - 2021-08-20
Academic lecture

Marthinsen, Knut; Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2021) Experiments and constitutive modelling of the PLC effect at a wide range of strain rates and temperatures in an AlMg alloy (AA5182) . Graz University of Technology Institute of Materials Science Thermec'2021 Virtual Conference , Vienna (online) 2021-06-01 - 2021-06-05
Academic lecture

Marthinsen, Knut; Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2021) Characterization and modelling of the Portevin-Le Chatelier (PLC) effect in aluminium alloys . Institute of Scientific Instruments of the CAS The International Conference on the Physical Properties and Application of Advanced Materials (ICPMAT) , Czech Republic (Online) 2021-09-18 - 2021-09-19
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Hopperstad, Odd Sture; Holmestad, Randi. (2021) Nanoscale characterisation of deformed Al-Mg-Si alloys. Graz University Thermec 2021 Virtual conference , Virtuell 2021-06-01 - 2021-06-06
Academic lecture

Johnsen, Joakim; Dæhli, Lars Edvard Blystad; Børvik, Tore; Hopperstad, Odd Sture. (2021) Experimental-numerical determination of the Taylor-Quinney coefficient. 13th European LS-DYNA Conference 2021-10-05 - 2021-10-06
Academic lecture

Hopperstad, Odd Sture; Frodal, Bjørn Håkon; Thomesen, Susanne; Børvik, Tore. (2021) Plastic anisotropy and fracture of 6000-series aluminium alloys: an experimental and numerical study. COBEM 2021. 26th International Congress of Mechanical Engineering, Brazil (digital conference) 2021-11-22 - 2021-11-26
Academic lecture

Granum, Henrik Møgster; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2021) A study on blast-loaded aluminium plates with crack-like defects subjected to blast loading. DYNAmore 13th European LS-DYNA Conference 2021 , Ulm 2021-10-05 - 2021-10-07

2020

Lecture

Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Experimental characterization and modelling of the PLC effect in an AlMg-alloy . ARC-CAMRIC/Japanese Institute of Light Metals (JILM) 6th Forum of Center for Advanced Materials Research and International Collaboration , Toyama (online) 2020-09-28 - 2020-10-08
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Ringdalen, Inga Gudem; Bjørge, Ruben; Holmedal, Bjørn; Hopperstad, Odd Sture. (2020) Detailed investigation of the shearing mechanism of β” precipitates in Al-Mg-Si alloys. 17th International Conference on Aluminium Alloys , Online 2020-10-26 - 2020-10-29
Academic lecture

Tomstad, Asle Joachim; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture. (2020) Ductile failure of isotropic and anisotropic 6000-series aluminium alloys: effect of constituent particles. 17th International Conference on Aluminium Alloys , Grenoble 2020-10-26 - 2020-10-29
Academic lecture

Xu, Jianbin; Marthinsen, Knut; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas. (2020) Experimental and modeling study of Portevin Le-Chatelier effect in an AA5182 alloy. SIMaP- Université Grenoble Alpes and C-TEC Constellium The 17th International Conference on Aluminum Alloys ICAA17 , Grenoble 2020-10-26 - 2021-07-29

2019

Academic lecture

Bergo, Sondre; Hopperstad, Odd Sture; Morin, David; Børvik, Tore. (2019) Micromechanics-based identification of a fracture model for three structural steels. COMPLAS 2019 COMPLAS , Barcelona 2019-09-02 - 2019-09-06
Poster

Holmen, Jens Kristian; Hopperstad, Odd Sture; Børvik, Tore. (2019) Perforation resistance of aluminium structures. NTNU Workshop of the Aluminium Innovation Hub: Digitalisation for smart processes and product design , Trondheim 2019-06-12 - 2019-06-13
Academic lecture

Olufsen, Sindre Nordmark; Clausen, Arild Holm; Hopperstad, Odd Sture. (2019) In-Situ X-ray tomography for investigation of void growth in mineral-filled PVC using a conventional X-ray source: A plausibility study. Nordic Polymer Days 2019 , Trondheim 2019-06-05 - 2019-06-07
Lecture

Perez-Martin, Maria Jesus; Holmen, Jens Kristian; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2019) Dynamic Behaviour of a High-Strength Structural Steel at Low Temperatures. 24th DYMAT Technical Meeting: Temperature dependence of material behaviour at high strain-rates , Stresa 2019-09-09 - 2019-09-11
Lecture

Erice, Borja; Perez-Martin, Maria Jesus; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) Plastic Instability Mechanisms due to Surface Imperfections in Largely Strained Metallic Materials. XV International Conference on Computational Plasticity. COMPLAS 2019 , Barcelona 2019-09-03 - 2019-09-05
Academic lecture

Espeseth, Vetle; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) The effects from size and volume fraction of intermetallic particles on ductile failure: a numerical study. COMPLAS 2019 , Barcelona 2019-09-03 - 2019-09-05
Academic lecture

Hopperstad, Odd Sture. (2019) Towards a virtual laboratory for aluminium structures. Aluminium Innovation Hub Workshop of the Aluminium Innovation Hub: Digitalisation for smart processes and product design , Trondheim 2019-06-12 - 2019-06-13
Academic lecture

Hopperstad, Odd Sture. (2019) Towards a virtual laboratory for aluminium structures. DYNAmore GmbH LS-DYNA European Conference 2019 , Koblenz 2019-05-14 - 2019-05-16
Academic lecture

Hopperstad, Odd Sture. (2019) Failure of blast-loaded aluminium plates: experiments, modelling and numerical simulations. Institute of High Performance Computing Century Fracture Mechanics Summit , Singapore 2019-04-08 - 2019-04-10
Poster

Dæhli, Lars Edvard Blystad; Morin, David; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2019) Influence of matrix yield surface curvature on the effective yielding and ductile failure of isotropic porous plastic materials. Workshop of the Aluminium Innovation Hub: Digitalisation for smart processes and product design , Trondheim 2019-06-12 - 2019-06-13
Academic lecture

Hopperstad, Odd Sture. (2019) Dynamic failure of aluminium plates with geometrical defects. University Carlos III of Madrid EuroMech Colloquium: Damage and failure of engineering materials under extreme loading conditions , Madrid 2019-05-21 - 2019-05-24
Poster

Qvale, Kristin; Granum, Henrik; Hopperstad, Odd Sture; Børvik, Tore. (2019) Quasi-static and dynamic crushing of aluminium profiles. European Aluminium Workshop of the Aluminium Innovation Hub: Digitalisation for smart processes and product design , Trondheim 2019-06-12 - 2019-06-13
Poster

Granum, Henrik; Aune, Vegard; Børvik, Tore; Hopperstad, Odd Sture. (2019) Aluminium plates with pre-formed slits subjected to blast loading. European Aluminium Aluminium Innovation Workshop 2019-06-12 - 2019-06-13
Academic lecture

Morin, David; Hopperstad, Odd Sture; Børvik, Tore. (2019) Numerical analyses of localisation in steel subjected to non-proportional loading. CIMNE Computational Plasticity 2019 (COMPLAS XV) , Barcelona 2019-09-03 - 2019-09-05
Academic lecture

Kristoffersen, Martin; Morin, David; Hopperstad, Odd Sture; Børvik, Tore. (2019) Numerical analyses of localisation in steel subjected to non-proportional loading. CIMNE Computational Plasticity 2019 (COMPLAS XV) , Barcelona 2019-09-03 - 2019-09-05
Lecture

Morin, David; Berstad, Torodd; Costas, Miguel; Hopperstad, Odd Sture; Langseth, Magnus. (2019) *MAT_258: A Through-Thickness Regularization Scheme for Shell Element Analyses – Application to Aluminium Components. 12th European LS-DYNA Conference 2019 , Koblenz 2019-05-14 - 2019-05-16
Academic lecture

Granum, Henrik; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) Simulation of blast-loaded aluminium plates with geometrical defects. MekIT 19 National Conference on Computational Mechanics , Trondheim 2019-06-03 - 2019-06-04
Poster

Frodal, Bjørn Håkon; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2019) On the effect of plastic anisotropy, strength and work hardening on the tensile ductility of aluminium alloys. European Aluminium Aluminium Innovation Workshop , Trondheim 2019-06-12 - 2019-06-13
Academic lecture

Kristoffersen, Martin; Morin, David; Hopperstad, Odd Sture; Børvik, Tore. (2019) Localisation analysis in an X65 offshore pipeline steel. The American Society of Mechanical Engineers 38th International Conference on Ocean, Offshore & Arctic Engineering , Glasgow 2019-06-09 - 2019-06-14
Academic lecture

Dæhli, Lars Edvard Blystad; Morin, David; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2019) Effects of Lode-dependent matrix behaviour on the macroscopic yielding and ductile failure in isotropic porous plastic solids. CFRAC2019 2019-06-12 - 2019-06-14
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Bjørge, Ruben; Ringdalen, Inga Gudem; Holmedal, Bjørn; Hopperstad, Odd Sture. (2019) (S)TEM characterisation and simulations of sheared 𝛃′′ precipitates in a deformed Al-Mg-Si alloy. Toyama University 5th Forum of Center for Advanced Materials Research and International Collaboration (CAMRIC-FORUM5) , Toyama 2019-10-03 - 2019-10-04
Poster

Fernandez, Marcos; Morin, David; Hopperstad, Odd Sture. (2019) Modelling of aluminium components under large deformations. NTNU Workshop of the Aluminium Innovation Hub: Digitalisation for smart processes and product design , Trondheim 2019-06-12 - 2019-06-13
Academic lecture

Ringdalen, Inga Gudem; Christiansen, Emil; Frafjord, Jonas; Wenner, Sigurd; Khadyko, Mikhail; Marian, Jaime. (2019) Plasticity and dislocation mechanisms in aluminium alloys containing precipitate free zones . Technion Dislocations 2019 , Haifa 2019-09-15 - 2019-09-21

2018

Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Marthinsen, Knut; Hopperstad, Odd Sture; Holmestad, Randi. (2018) Precipitates and Precipitate Free Zones in 6xxx alloys. Hydro R&D Sunndalsøra Hydro Technical Meeting , Sunndalsøra 2018-09-14 -
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Marthinsen, Knut; Hopperstad, Odd Sture; Holmestad, Randi. (2018) Understanding deformation on the nano-scale. SFI CASA, NTNU CASA Seminar , Radisson Blu Scandinavia Hotel, Oslo 2018-09-18 - 2018-09-20
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Marthinsen, Knut; Hopperstad, Odd Sture; Holmestad, Randi. (2018) Lattice rotations in precipitate free zones in an Al-Mg-Si alloy. FractAl Topics in ductile fracture of metals , Hotel Scandic Nidelven, Trondheim 2018-10-17 - 2018-10-18
Academic lecture

Osnes, Karoline; Børvik, Tore; Hopperstad, Odd Sture. (2018) Quasi-Static and Dynamic Testing of Annealed Float Glass. European society of Experimental Mechanics ICEM 2018 - 18th intenational conference on experimental mechanics , Brüssel 2018-06-01 - 2018-06-05
Poster

Granum, Henrik; Aune, Vegard; Børvik, Tore; Hopperstad, Odd Sture. (2018) Aluminium plates with pre-formed slits subjected to blast loading. DYMAT DYMAT 2018 , Arcachon 2018-09-10 - 2018-09-14
Academic lecture

Xu, Jianbin; Holmedal, Bjørn; Hopperstad, Odd Sture; Manik, Tomas; Marthinsen, Knut. (2018) Experiments and modelling of the Portevin-Le Chatelier effect in AA5182 . Metallurgy&Materials Society of Canada 16th International Conference on Aluminium Alloys (ICAA16) , Montreal 2018-06-17 - 2018-06-21
Academic lecture

Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Benallal, Ahmed; Hopperstad, Odd Sture. (2018) Modelling of the thermo-mechanical behaviour of cross-linked low density polyethylene. 31st Nordic Seminar on Computational Mechanics (NSCM-31) , Umeå 2018-10-25 - 2018-10-26
Academic lecture

Hopperstad, Odd Sture; Morin, David; Dæhli, Lars Edvard; Børvik, Tore. (2018) MICROSTRUCTURE-BASED MODELLING AND SIMULATION OF ALUMINIUM STRUCTURES. Umeå universitet 31st Nordic Seminar on Computational Mechanics , Umeå 2018-10-25 - 2018-10-26
Academic lecture

Morton, Daniel Thor; Reyes, Aase; Clausen, Arild Holm; Hopperstad, Odd Sture. (2018) Mechanical properties of expanded polypropylene foam at different temperatures. Deutsche Gesellschaft für Materialkunde e.V. / German Materi CellMat 2018 - 5th Cellular Materials , Bad Staffelstein 2018-10-24 - 2018-10-26
Poster

Johnsen, Joakim; Clausen, Arild Holm; Grytten, Frode; Benallal, Ahmed; Hopperstad, Odd Sture. (2018) Influence of strain rate and temperature on the mechanical behaviour of cross-linked low density polyethylene. DYFP2018, The 17th International Conference on Deformation, Yield and Fracture of Polymers , Rolduc Abbey, Kerkrade 2018-03-26 - 2018-03-29
Poster

Morton, Daniel Thor; Reyes, Aase; Clausen, Arild Holm; Hopperstad, Odd Sture. (2018) Experimental investigation of expanded polypropylene foam. DYFP2018, the 17th International Conference on Deformation, Yield and Fracture of Polymers 2018-03-26 - 2018-03-29
Academic lecture

Morin, David; Hopperstad, Odd Sture; Benallal, Ahmed. (2018) On the connections between imperfection and bifurcation analyses in simulation of ductile failure. University of Bologna/University of Trento ESMC 2018 - 10th European Solid Mechanics Conference , Bologna 2018-07-02 - 2018-07-06
Academic lecture

Hopperstad, Odd Sture; Morin, David; Dæhli, Lars Edvard; Børvik, Tore; Benallal, Ahmed. (2018) Modelling of strain localization in ductile materials. University of Bologna/University of Trento ESMC18 - 10th European Solid Mechanics Conference , Bologna 2018-07-02 - 2018-07-06
Academic lecture

Hopperstad, Odd Sture; Morin, David; Dæhli, Lars Edvard; Børvik, Tore; Benallal, Ahmed. (2018) Strain localization as an indicator for ductile fracture in metals. École Centrale de Nantes EMMC16 – 16th European Mechanics of Materials Conference , Nantes 2018-03-26 - 2018-03-28
Academic lecture

Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore. (2018) On the Material Characterization of an Aluminium Alloy Using Different Specimens and Identification Methods. 18th International Conference on Experimental Mechanics , Brussel 2018-07-01 - 2018-07-05
Academic lecture

Dæhli, Lars Edvard; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2018) A modified Gurson model accounting for Lode-dependent void growth. 16th European Mechanics of Materials Conference , Nantes 2018-03-26 - 2018-03-28
Academic lecture

Hopperstad, Odd Sture. (2018) Microstructure-based modelling and simulation of aluminium structures. Umeå University Nordic Seminar on Computational Mechanics 31 , Umeå 2018-10-25 - 2018-10-26
Academic lecture

Frafjord, Jonas; Ringdalen, Inga Gudem; Holmestad, Randi; Svenum, Ingeborg-Helene; Hopperstad, Odd Sture; Friis, Jesper. (2018) Pressure Dependent Yielding in Solute Strengthened Aluminium  - An Ab Initio Study. ICAA16 , Montreal 2018-06-17 - 2018-06-21
Academic lecture

Christiansen, Emil; Sævareid, Sondre; Frodal, Bjørn Håkon; Marioara, Calin Daniel; Hopperstad, Odd Sture; Holmestad, Randi. (2018) Precipitate Free Zones and Crack Propagation in Al-Mg-Si Alloys. MetSoc 16th International Conference on Aluminium Alloys (ICAA16) , McGill Univeristy, Montréal, Québec 2018-06-17 - 2018-06-21

2017

Academic lecture

Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2017) Numerical simulation of cross-linked polyethylene at different ambient temperatures and strain rates. NTNU Mek'IT 17 - 9th National Conference on Computational Mechanics , Trondheim 2017-05-11 - 2017-05-12
Academic lecture

Morin, David; Hopperstad, Odd Sture; Benallal, Ahmed. (2017) Qualitative aspects of ductile failure by strain localization. CIMNE / Universitat Politècnica de Catalunya, Spain COMPLAS 2017. XIV Conference on Computational Plasticity. Fundamentals and applications. , Barcelona 2017-09-05 - 2017-09-07
Academic lecture

Hopperstad, Odd Sture; Morin, David; Benallal, Ahmed. (2017) Simulation of anisotropic tensile failure in high-strength aluminium alloy by localization theory. CIMNE / Universitat Politècnica de Catalunya, Spain COMPLAS 2017. XIV Conference on Computational Plasticity. Fundamentals and applications. , Barcelona 2017-09-05 - 2017-09-07
Academic lecture

Hopperstad, Odd Sture; Morin, David; Benallal, Ahmed. (2017) Modelling and simulation of ductile fracture in metals using strain localization theory. SIMLab, NTNU Dymat 23rd Technical Meeting , Trondheim 2017-09-12 - 2017-09-14
Academic lecture

Christiansen, Emil; Chrominski, Witold; Marioara, Calin Daniel; Hopperstad, Odd Sture; Holmestad, Randi. (2017) Precipitate Free Zones in Deformed Al-Mg-Si Alloys. University of Iceland and SCANDEM SCANDEM2017 , Reykjavik 2017-06-05 - 2017-06-09
Academic lecture

Dæhli, Lars Edvard; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2017) Strain localization analyses of generic FCC textures using imperfection band analyses. 14th International Conference on Fracture , Rhodos 2017-06-19 - 2017-06-23

2016

Academic lecture

Johnsen, Joakim; Grytten, Frode; Hopperstad, Odd Sture; Clausen, Arild Holm. (2016) Large strain tensile behaviour of rubber-modified polypropylene at low temperatures. European Mechanics of Materials Conference 15 , Brussel 2016-09-07 - 2016-09-09
Academic lecture

Dæhli, Lars Edvard; Morin, David; Børvik, Tore; Hopperstad, Odd Sture. (2016) Influence of a high-exponent isotropic yield criterion on the macroscopic yielding and plastic instability of porous ductile solids. EMMC15 , Brüssel 2016-09-07 - 2016-09-09
Academic lecture

Frodal, Bjørn Håkon; Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2016) Effect of Pre-Compression on Ductile Fracture of Aluminium Alloys. European Mechanics Society EMMC15 – 15th European Mechanics of Materials Conference , Brussel 2016-09-07 - 2016-09-09
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Hopperstad, Odd Sture; Holmestad, Randi. (2016) Deformation induced subgrains in PFZs of AA6060 alloy subjected to uniaxial compression. Department of Materials Science and Engineering, Toyama Uni. Second INTPART Workshop between NTNU, University of Toyama and Tokyo Tech , University of Toyama, Toyama, Japan 2016-10-12 - 2016-10-12
Academic lecture

Friis, Jesper; Jensen, Ingvild Julie Thue; Ringdalen, Inga Gudem; Saai, Afaf; Marioara, Calin Daniel; Hopperstad, Odd Sture. (2016) Multi-scale modelling of crack initialisation at grain boundary precipitates in Al-Mg-Si alloys. Uppsala University eSSENCE 2016 - Multiscale Modelling of Materials and Molecules , Uppsala 2016-06-07 - 2016-06-09
Academic lecture

Friis, Jesper; Ringdalen, Inga Gudem; Marioara, Calin Daniel; Wenner, Sigurd; Andersen, Sigmund Jarle; Holmestad, Randi. (2016) Precipitation and formation of precipitate free zones in aluminium alloys. Invited presentation at colloquium in the Dept. of Physics at University of Montreal 2016-01-25 -
Lecture

Holmen, Jens Kristian; Solberg, Jan Ketil; Hopperstad, Odd Sture; Børvik, Tore. (2016) Ballistic perforation of layered and surface-hardened steel plates. Politecnico di Torino 1st International Conference on Impact Loading of Structures and Materials (ICILSM 2016) , Turin 2016-05-22 - 2016-05-26
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Hopperstad, Odd Sture; Holmestad, Randi. (2016) Subgrain-formation in precipitate free zones in aluminium alloys subjected uniaxial compression. Norsk Materialteknisk Selskap, Norsk Metallografisk forening Nasjonal konferanse for Materialteknologi 2016 , Trondheim 2016-08-24 - 2016-08-25
Academic lecture

Christiansen, Emil; Marioara, Calin Daniel; Hopperstad, Odd Sture; Holmestad, Randi. (2016) Transmission Electron Microscopy of Precipitate Free Zones in Aluminium Alloys Subjected to Uniaxial Compression. Scandem, Nordic Microscopy Society SCANDEM2016 , Trondheim 2016-06-07 - 2016-06-10
Academic lecture

Fyllingen, Ørjan; Langseth, Magnus; Hopperstad, Odd Sture. (2016) Stretch-Bending of a High-Strength Steel Component Taking the Forming History Into Account. Bergen University College Bergen Workshop on Computational and Applied , Bergen 2016-01-18 - 2016-01-19

2015

Academic lecture

Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2015) X65 steel pipes subjected to combined stretching and bending. ECCOMAS VI International conference on computational methods in marine engineering , Roma 2015-06-15 - 2015-06-17
Academic lecture

Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2015) Dynamic versys quasi-static loading of X65 offshore steel pipes. SUPSI DYMAT 2015 , Lugano 2015-09-07 - 2015-09-11
Poster

Andersen, Marius Endre; Clausen, Arild Holm; Hopperstad, Odd Sture. (2015) Large strain measurement of HDPE subjected to uniaxial loading using digital image correlation. 16th International Conference on Deformation, Yield and Fracture of Polymers 2015-03-29 - 2015-04-02
Poster

Holmstrøm, Petter Henrik; Clausen, Arild Holm; Morin, David; Hopperstad, Odd Sture. (2015) An experimental and numerical investigation of tensile properties of glass fibre-reinforced polypropylene. 16th International Conference on Deformation, Yield and Fracture of Polymers 2015-03-29 - 2015-04-02

2014

Academic lecture

Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2014) Fracture in X65 pipeline steel. NTNU ECF20 - European conference on fracture , Trondheim 2014-06-30 - 2014-07-04
Academic lecture

Holmedal, Bjørn; Mánik, Tomás; Hopperstad, Odd Sture. (2014) Modelling strain-path changes. NEAT International conference of plasticity , Freeport 2014-01-03 - 2014-01-08
Academic lecture

Holmedal, Bjørn; Hopperstad, Odd Sture; Mánik, Tomás. (2014) Tøyningsveiendringer i metaller. Norsk metallurgisk forening Norsk Metallurgisk sommermøte 2014 , Oslo 2014-06-04 - 2014-06-05
Lecture

Westermann, Ida; Pedersen, Ketill Olav; Børvik, Tore; Hopperstad, Odd Sture. (2014) Influence of microstructure on the work hardening and fracture behaviour of aluminium alloys. Norsk Materialteknisk Selskap Nasjonal Konferanse for Materialteknologi , Oslo 2014-06-04 - 2014-06-05
Academic lecture

Holmedal, Bjørn; Mánik, Tomás; Hopperstad, Odd Sture. (2014) Cross-hardening and Bauschinger effects. NTNU ICAA14 -the14th International conference on aluminium alloys , Trondheim 2014-06-15 - 2014-06-19

2013

Academic lecture

Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Ilstad, Håvar; Levold, Erik. (2013) Damage and failure in an X65 steel pipeline caused by trawl gear impact. ASME OMAE 2013 , Nantes 2013-06-09 - 2013-06-14
Academic lecture

Kristoffersen, Martin; Casadei, Folco; Børvik, Tore; Langseth, Magnus; Solomos, George; Hopperstad, Odd Sture. (2013) Numerical simulations of submerged and pressurised X65 steel pipes. ECCOMAS COMPLAS XII - Computational plasticity , Barcelona 2013-09-03 - 2013-09-05
Academic lecture

Mánik, Tomás; Holmedal, Bjørn; Hopperstad, Odd Sture. (2013) Modeling of Transients as a Response to Changes in Strain–Path of Commercially Pure Aluminium. 19th. International Symposium on Plasticity and Its Application , Nassau 2013-01-03 - 2013-01-08
Academic lecture

Morin, David; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2013) Modelling of Aluminium Components for crash loadings. Dyna More 9th European LS-DYNA Conference 2013 , Manchester, UK 2013-06-03 - 2013-06-04
Academic lecture

Khadyko, Mikhail; Dumoulin, Stephane; Myhr, Ole Runar; Hopperstad, Odd Sture. (2013) A Combined Precipitation and Crystal Plasticity Model for AlMgSi alloys. Conference on Computational Plasticity XII , Barcelona 2013-09-03 - 2013-09-05

2012

Academic lecture

Rakvåg, Knut Gaarder; Børvik, Tore; Hopperstad, Odd Sture; Westermann, Ida. (2012) Experimental and numerical study on fragmentation of steel projectiles. Fraunhofer EMI DYMAT 2012 , Freiburg 2012-09-02 - 2012-09-07
Academic lecture

Westermann, Ida; Hopperstad, Odd Sture; Myhr, Ole Runar; Marthinsen, Knut; Holmedal, Bjørn. (2012) MODELING OF WORK-HARDENING IN AN AGE-HARDENABLE AA7108 ALUMINUM ALLOY. 13th International Conference on Aluminum Alloys , Pittsburgh, Pennsylvania 2012-06-03 - 2012-06-08
Academic lecture

Kristoffersen, Martin; Børvik, Tore; Langseth, Magnus; Ilstad, Håvar; Levold, Erik; Hopperstad, Odd Sture. (2012) Impact against offshore pipelines. Chinese society of theoretical and applied mechanics ICTAM 2012 - International congress of theoretical and applied mechanics , Beijing 2012-08-19 - 2012-08-24
Academic lecture

Manik, Tomas; Holmedal, Bjørn; Hopperstad, Odd Sture. (2012) Modeling of Transients as a Response to Changes in Strain-Path of Commercially Pure Aluminium. The Joint Research Centre of the European Commission 1st International Workshop on Physics Based Modeling of Material Properties , Ankara 2012-10-22 - 2012-10-23
Academic lecture

Fourmeau, Marion; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2012) Anisotropic failure of aluminium alloy AA7075-T651. ESMC - 8th European Solid Mechanics Conference , Graz 2012-07-09 - 2012-07-13
Academic lecture

Fyllingen, Ørjan; Berstad, Torodd; Langseth, Magnus; Hopperstad, Odd Sture; Tarigopula, Venkatapathi; Schill, Mikael. (2012) On stretch-bending of a high-strength steel component taking into account the forming history. Dynamore Nordic AB Nordic LS-DYNA Users Forum , Gøteborg 2012-10-11 - 2012-10-11

2011

Academic lecture

Saai, Afaf; Westermann, Ida; Dumoulin, Stephane; Hopperstad, Odd Sture; Berstad, Torodd. (2011) Influence of Microstructure and Texture on the Bendability of AA7108 Aluminium Alloy. ICTP 2011 2011-09-25 - 2011-09-30
Poster

Kristoffersen, Martin; Børvik, Tore; Hopperstad, Odd Sture; Ilstad, Håvar; Langseth, Magnus. (2011) Impact against offshore pipelines. Université de Valenciennes ICILLS 2011 - International conference on impact loading of lightweight structures , Valenciennes 2011-06-28 - 2011-07-01
Poster

Børvik, Tore; Hopperstad, Odd Sture; Ilstad, Håvar; Langseth, Magnus. (2011) Impact against offshore pipelines. Université de Valenciennes 3rd International Conference on Impact Loading of Lightweight Structures , Valenciennes 2011-06-28 - 2011-07-01
Academic lecture

Fourmeau, Marion; Børvik, Tore; Benallal, Ahmed; Hopperstad, Odd Sture. (2011) Computation of the fracture behaviour of a high-strength aluminium alloy at low stress triaxialities. CFRAC 2011 , Barcelona 2011-06-06 - 2011-06-08

2010

Academic lecture

Clausen, Arild Holm; Hovden, Martin Thuve; Polanco-Loria, Mario A.; Berstad, Torodd; Hopperstad, Odd Sture. (2010) A Constitutive Model for Thermoplastics with some Applications. IMPLAST (International Symposium on Plasticity and Impact Mechanics 2010-10-12 - 2010-10-14
Academic lecture

Clausen, Arild Holm; Hovden, Martin Thuve; Polanco-Loria, Mario A.; Berstad, Torodd; Hopperstad, Odd Sture. (2010) Constitutive model for thermoplastics - Calibration and validation. 19th DYMAT Technical Meeting , Strasburg 2010-12-01 - 2010-12-03
Academic lecture

Delhaye, Virgile Roger; Clausen, Arild Holm; Moussy, F; Othman, R.; Hopperstad, Odd Sture. (2010) Caractérisation et modélisation d'un polypropyléne appliqué au crash dans l'industrie automobile. MATERIAUX 2010 , NANTES 2010-10-18 - 2010-10-22
Academic lecture

Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2010) High-strength aluminium plates struck by ogival-nose projectiles. Proceedings of the Third International Conferance on Design and Analyses of Protective Structures , Singapore 2010-05-10 - 2010-05-12
Academic lecture

Delhaye, Virgile Roger; Clausen, Arild Holm; Moussy, Francois; Othman, Ramzi; Hopperstad, Odd Sture. (2010) Behaviour and modelling of a polypropylene applied in automotive industry for crash applications. SFIP , Douai 2010-06-09 - 2010-06-10
Academic lecture

Hopperstad, Odd Sture; Pedersen, K.O.; Børvik, Tore. (2010) Experimental and Numerical Study on the Fracture Behaviour of the Aluminium Alloy AA7075-T651. Proceedings of the 12th International Conference on Aluminium Alloys , Yokohama 2010-09-05 - 2010-09-09
Academic lecture

Holmedal, Bjørn; Hopperstad, Odd Sture; Berstad, Torodd. (2010) Modeling Transients Related to Strain-path Changes. 12th international conference on aluminium alloys (ICAA12) 2010-09-05 - 2010-09-09
Academic lecture

Fyllingen, Ørjan; Hopperstad, Odd Sture; Tarigopula, Venkatapathi. (2010) On material batch variation of the dual phase steel DP800. The 13th International ESAFORM Conference on Material Forming - ESAFORM 2010 , Brescia, Italia 2010-04-07 - 2010-04-10
Academic lecture

Fyllingen, Ørjan; Langseth, Magnus; Hopperstad, Odd Sture. (2010) Experimental study on the buckling mode of aluminium extrusions. IMPLAST 2010 , Providence, Rhode Island USA 2010-10-12 - 2010-10-14

2009

Academic lecture

Clausen, Arild Holm; Polanco-Loria, Mario; Moura, Rafael Traldi; Alves, Marcilio; Berstad, Torodd; Langseth, Magnus. (2009) Polymer plates subjected to impact: Experimental tests and numerical simulations. DYMAT 2009 , Brussel 2009-09-07 - 2009-09-11
Academic lecture

Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2009) Behaviour and Modelling of Dual-Phase Steels. 7th European LS_DYNA Conference , Salzburg 2009-05-14 - 2009-05-15
Academic lecture

Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2009) A Constitutive Model for Thermoplastics Intended for Structural Applications. 7th European LS-DYNA Conference , Salzburg 2009-05-14 - 2009-05-15
Academic lecture

Clausen, Arild Holm; Moura, Rafael Traldi; Alves, Marcilio; Langseth, Magnus; Polanco-Loria, Mario; Berstad, Torodd. (2009) Impact of PEHD plates: Experimental tests and numerical simulations. COBEM 2009 , Gramado 2009-11-15 - 2009-11-20
Academic lecture

Westermann, Ida; Hopperstad, Odd Sture; Marthinsen, Knut; Holmedal, Bjørn. (2009) Work- and Age-Hardening Behaviour of a Commercial AA7108 Aluminium Alloy. CAST CRC Light Metals Technology Conference 2009 , Gold Coast 2009-06-29 - 2009-07-01
Academic lecture

Snilsberg, Knut Erik; Westermann, Ida; Holmedal, Bjørn; Hopperstad, Odd Sture; Langsrud, Yngve; Marthinsen, Knut. (2009) Anisotropy of bending properties in industrial heat-treatable extruded aluminium alloys. Thermec 2009 , Berlin 2009-08-25 - 2009-08-29
Poster

Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Clausen, Arild Holm; Langseth, Magnus. (2009) Effect of pre-straining on localisation and fracture of dual-phase steel at elevated rates of strain. DYMAT 2009 , Brussel 2009-09-07 - 2009-09-11
Poster

Chen, Yan; Hopperstad, Odd Sture; Clausen, Arild Holm; Børvik, Tore; Berstad, Torodd. (2009) Finite element analyses of Charpy tests on extruded aluminium alloys. DYMAT 2009 , Brussel 2009-09-07 - 2009-09-11
Poster

Tarigopula, Venkatapathi; Albertini, Carlo; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2009) A hydro-pneumatic machine for intermediate strain-rates: Set-up, tests and numerical simulations. DYMAT 2009 , Brussel 2009-09-07 - 2009-09-11
Poster

Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2009) A constitutive model for thermoplastics in structural applications. DYFP 2009 , Rolduc, Kerkrade 2009-04-05 - 2009-04-09
Poster

Delhaye, Virgile Roger; Polanco-Loria, Mario; Berstad, Torodd; Clausen, Arild Holm; Hopperstad, Odd Sture; Moussy, Francois. (2009) Characterization and numerical modelling of a polypropylene material applied in the automotive industry. DYFP 2009 , Rolduc, Kerkrade 2009-04-05 - 2009-04-09
Academic lecture

Fyllingen, Ørjan; Hopperstad, Odd Sture; Langseth, Magnus. (2009) Robustness study of top-hat sections of high strength steel subjected to axial crushing. Inegrity Reliability and Failure , Porto, Portugal 2009-07-20 - 2009-07-24
Academic lecture

Fyllingen, Ørjan; Hopperstad, Odd Sture; Hanssen, Arve Grønsund; Langseth, Magnus. (2009) Brick versus shell elements in simulations of aluminium extrusions subjected to axial crushing. 7th European LS-DYNA Conference , Salzburg, Austria 2009-05-14 - 2009-05-15

2008

Academic lecture

Lademo, Odd-Geir; Eriksson, Magnus; Hopperstad, Odd Sture; Langseth, Magnus. (2008) Characterization and modeling of failure in ductile sheet metals. Structural Impact Labratory, CRI International conference of impact loading of lightweight structures , Trondheim 2008-06-17 - 2008-06-19
Academic lecture

Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Wierzbicki, Thomaz. (2008) Ballistic Resistance of Double-layered Metal Sheets. Structural Impact Labratory, CRI International conference of impact loading of lightweight structures , Trondheim 2008-06-17 - 2008-06-19
Academic lecture

Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Hopperstad, Odd Sture; Nogueira de Codes, R. (2008) On the Measurement and Evaluation of the Width of Portevin–Le Chatelier Deformation Bands with Application to AA5083-H116 Aluminium Alloy. IUTAM Symposium on Theoretical, Computational and Modelling Aspects of Inelastic Media 2008-01-14 - 2008-01-18
Academic lecture

Dørum, Cato; Dispinar, D; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A probabilistic approach for modelling of fracture in magnesium die-castings. High Tech Die Casting 2008 2008-04-09 - 2008-04-10
Academic lecture

Reyes, Aase Gavina Roberg; Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir; Eriksson, Magnus. (2008) Validation study of failure prediction in crash analysis. The Ninth International Conference on Computational Structures Technology , Athen 2008-09-02 - 2008-09-05
Academic lecture

Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A Constitutive Model for Thermoplastics in Structural Applications. 21st Nordic Seminar on Computational Mechanics 2008-10-16 - 2008-10-17
Academic lecture

Børvik, Tore; Dey, Sumita; Hopperstad, Odd Sture; Wierzbicki, Thomaz; Teng, X. (2008) Ballistic Resistance of Double-Layered Metal Plates. International Conference on Computational Structures Technology 2008-09-02 - 2008-09-05
Academic lecture

Dørum, Cato; Hopperstad, Odd Sture; Berstad, Torodd; Laukli, Hans Ivar. (2008) A probabilistic approach for modelling fracture in die-castings. 8th World Congress on Computational Mechanics, 5th European Congress on Computational Methods in Applied Sciences 2008-06-30 - 2008-07-04
Academic lecture

Polanco-Loria, Mario; Clausen, Arild Holm; Berstad, Torodd; Hopperstad, Odd Sture. (2008) A modified Boyce-Raghava model for constitutive modelling of thermoplastics. SIMLab, Centre of Research-based Innovation, NTNU International Conference on Impact Loading of Lightweight Structures , Trondheim 2008-06-17 - 2008-06-19
Poster

Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm; Hild, Francois. (2008) Characterization of localization and large plastic deformations in dual-phase steel using digital image correlation. SIMLab, Department of Structural Engineering International Conference on Impact Loading of Lightweight Structures , Trondheim 2008-06-17 - 2008-06-19
Poster

Delhaye, Virgile Roger; Clausen, Arild Holm; Hopperstad, Odd Sture; Moussy, F; Othman, R. (2008) Experimental characterization of the polypropylene P108MF97. Structural Impact Labratory, CRI International conference of impact loading of lightweight structures , Trondheim 2008-06-17 - 2008-06-19
Poster

Reyes, Aase Gavina Roberg; Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir; Eriksson, Magnus. (2008) Validation of one failure prediction approach in crash analysis. International Conference Impact Loading of Impact Structures 2008-06-17 - 2008-06-19
Popular scientific lecture

Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Langseth, Magnus; Clausen, Arild Holm. (2008) Numerical Modelling of the Mechanical Behaviour of Dual-Phase Steels. NTNU Nordic Seminar on Computational Mechanics (NSCM-21) , Trondheim 2008-10-16 - 2008-10-17
Popular scientific lecture

Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm; Hild, Francois. (2008) Characterization of localization and large plastic deformations in dual-phase steel using digital image correlation. SIMLab, Department of Structural Engineering International Conference on Impact Loading of Lightweight Structures , Trondheim 2008-06-17 - 2008-06-19
Popular scientific lecture

Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture. (2008) Influence of Element Formulation on the Axial Crushing of Thin-walled Dual-Phase Steel Square Sections. LSTC 10th International LS-DYNA users conference , Dearborn, Michigan 2008-06-08 - 2008-06-10
Popular scientific lecture

Tarigopula, Venkatapathi; Langseth, Magnus; Clausen, Arild Holm; Hopperstad, Odd Sture. (2008) Behaviour of dual-phase steel at elevated rates of strain. ECCS European Convention for Constructional Steelwork 5th European Conference on Steel and Composite Structures , Graz 2008-09-03 - 2008-09-05

2007

Academic lecture

Tarigopula, Venkatapathi; Hopperstad, Odd Sture; Clausen, Arild Holm; Langseth, Magnus. (2007) Effect of pre-straining on the dynamic mechanical behaviour of dual-phase high-strength steel alloys. Prof. O. T. Bruhns and Prof. A. Meyers, Ruhr University IMPLAST 2007 , Bochum 2007-08-21 - 2007-08-24
Academic lecture

Hopperstad, Odd Sture; Berstad, Torodd; Lademo, Odd-Geir; Langseth, Magnus. (2007) Modelling of material behaviour and fracture for aluminium alloys with applications to plastic forming and crashworthiness. 6th European LS-DYNA Users’ Conference , Göteborg 2007-05-29 - 2007-05-30
Academic lecture

Clausen, Arild Holm; Hopperstad, Odd Sture; Berstad, Torodd; Ilstad, Håvar; Melve, Bjørn. (2007) Modelling of thermoplastics: State-of-the-art and challenges. NAFEMS Materials Modeling - FEA Simulations of the Behaviour of Modern Industrial Materials Including their Failure 2007-03-20 - 2007-03-21
Academic lecture

Lademo, Odd-Geir; Eriksson, Magnus; Hopperstad, Odd Sture; Langseth, Magnus. (2007) Characterisation and modelling of failure in ductile sheet metals. NAFEMS Materials Modeling - FEA Simulations of the Behaviour of Modern Industrial Materials Including their Failure 2007-03-20 - 2007-03-21
Academic lecture

Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Lademo, Odd-Geir; Benallal, Ahmed. (2007) Simulation of the Portevin-Le Chatelier effect and plastic instability in aluminium alloys. Delft University of Technology Instabilities across the Scales (IAS07) , Delft 2007-07-02 - 2007-07-05

2006

Academic lecture

Hopperstad, Odd Sture. (2006) Formability and fracture. SIMLab, Institutt for konstruksjonsteknikk SIMLab Workshop 2006 , Trondheim 2006-06-14 - 2006-06-15
Academic lecture

Reyes, Aase Gavina Roberg; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2006) Bending of extruded aluminum plates. ESAFORM The 9th International ESAFORM Conference on Material Forming , Glasgow 2006-04-26 - 2006-04-28
Academic lecture

Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Lademo, Odd-Geir; Benallal, Ahmed. (2006) A preliminary numerical study on the influence of PLC on formability of aluminium alloys. The 9th International Conference on Material Formaing ESAFORM 2006 , Glasgow 2006-04-26 - 2006-04-28
Academic lecture

Reyes, Aase Gavina Roberg; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2006) Through-process modeling for textured aluminum alloys used in a bumper system. WCCM VII 7th World Congress on Computational Mechanics , Los Angeles, CA 2006-07-16 - 2006-07-22
Poster

Hopperstad, Odd Sture; Børvik, Tore; Berstad, Torodd; Benallal, Ahmed. (2006) Finite element simulations of the Portevin-Le Chatelier effect in aluminium alloy. 8th International Conference on Mechanical and Physical Behaviour of Materials under Dynamic Loading , Dijon 2006-09-11 - 2006-09-15

2005

Academic lecture

Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus; Sannes, Stian. (2005) Numerical Modelling of the Structural Behaviour of Thin-Walled Cast Magnesium Components Using a Through-Process Approach. SAE 2005 SAE World Congress , Detroit 2005-04-11 - 2005-04-14
Academic lecture

Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Influence of the constitutive relation in numerical simulations of the perforation of steel plates. The Wessex Institute of Technology, UK Computational Ballistics 2005 , Cordoba 2005-05-18 - 2005-05-20
Academic lecture

Grytten, Frode; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2005) Numerical simulations of perforation of AA5083-H116 plates. MekIT'05 Third national conference on Computational Mechanics 2005-05-11 - 2005-05-12
Academic lecture

Tarigopula, Venkatapathi; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2005) An experimental and numerical study of energy absorption in thin-walled high-strength steel sections. University of Sao Paolo International Conference on Impact Loading of Lightweight Structures , Florianopolis 2005-05-08 - 2005-05-12
Academic lecture

Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2005) Material characterization and modeling of textured aluminum alloys used in a bumper system. International Conference on Impact Loading of Lightweight Structures , Florianopolis 2005-05-08 - 2005-05-12

2004

Academic lecture

Tryland, Tore; Lademo, Odd-Geir; Berstad, Torodd; Hopperstad, Odd Sture; Langseth, Magnus; Furu, Trond. (2004) Process based simulations of an aluminium bumper system. Int. Symposium Crashworthiness of Light-weight Automotive Structures , Trondheim 2004-06-17 - 2004-06-18
Academic lecture

Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2004) Structural behaviour of thin-walled cast magneisum components. NTNU HPDC Seminar 2004 , Trondheim 2004-11-30 - 2004-12-01
Academic lecture

Berstad, Torodd; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2004) Formability modeling with LA-DYNA". 8th International LS-Dyna User's Conference , Detroit 2004-05-03 - 2004-05-05
Academic lecture

Dey, Sumita; Leinum, John Rasmus; Børvik, Tore; Solberg, Jan Ketil; Hopperstad, Odd Sture; Langseth, Magnus. (2004) Effect of target strength in blunt-nose projectile impact: Metallographic observations. University of Cambridge 5th International Symposium on Impact Engineering , Cambridge 2004-07-11 - 2204-07-15
Academic lecture

Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2004) Energy absorption of HPDC components. SAE 2004 SAE World Congress , Detroit 2004-03-08 - 2004-03-11
Academic lecture

Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2004) Behaviour and modelling of thin-walled cast components in magnesium and aluminium. NTNU International Symposium Crashworthiness of Light-Weight Automotive Structures , Trondheim 2004-06-17 - 2004-06-18
Academic lecture

Berstad, Torodd; Furu, Trond; Holmedal, Bjørn; Hopperstad, Odd Sture; Lademo, Odd-Geir; Nes, Erik Aasmund. (2004) FEM and a microstructure based work hardening model used to calculate forming limit curves. ESAFORM , Trondheim 2004-04-28 - 2004-04-30
Academic lecture

Lademo, Odd-Geir; Berstad, Torodd; Hopperstad, Odd Sture; Tryland, Tore; Furu, Trond; Langseth, Magnus. (2004) A model for process-based crash simulations. 8th International LS-DYNA User's Conference , Detroit 2004-05-03 - 2004-05-05
Academic lecture

Benallal, Ahmed; Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture. (2004) Negative strain-rate sensitivity and its consequences on instability and rupture of aluminium alloys. International Symposium of Light-Weight Automotive Structures 2004-06-17 - 2004-06-18
Academic lecture

Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2004) Implementation of a constitutive model for aluminum foam including fracture and statistical variation of density. LS-DYNA 8th LS-DYNA International Users Conference , Detroit 2004-05-02 - 2004-05-04
Poster

Chen, Yan; Langseth, Magnus; Hopperstad, Odd Sture; Clausen, Arild Holm. (2004) Modelling of Dynamic Material Behaviour of Aluminium Alloys for Structural Applications. International Symposium of Light-Weight Automotive Structures 2004-06-17 - 2004-06-18
Poster

Clausen, Arild Holm; Auestad, Trond; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2004) Strain rate sensitivity of three aluminium alloys. Crashworthiness of Light-Weight Automotive Structures 2004-06-17 - 2004-06-18
Poster

Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2004) High-strength steel plates subjected to projectile impact: An experimental and numerical study. SIMLab, Institutt for Konstruksjonsteknikk, NTNU Crashworthiness of light-weight automotive structures , Trondheim 2004-06-17 - 2004-06-18
Poster

Tarigopula, Venkatapathi; Langseth, Magnus; Clausen, Arild Holm; Hopperstad, Odd Sture. (2004) Axial Crushing of High-Strength Steel Automotive Components. International Symposium of Light-Weight Automotive Structures 2004-06-17 - 2004-06-18

2003

Poster

Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2003) Aluminum crash components subjected to oblique loading. 2nd International Crashworthiness and Design Symposium , Lille, France 2003-12-04 -
Poster

Dørum, Cato; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Crashworthiness of cast components. NorLight konferansen 2003 , Trondheim 2003-01-28 -
Academic lecture

Dey, Sumita; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2003) The effect of target hardness on the perforation of steel plates by blunt and conical projectiles. Proceedings of the 8th International Symposium on Plasticity and Impact Mechanics , New Delhi, India 2003-03-19 -
Academic lecture

Reyes, Aase Gavina Roberg; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Crash behavior of obliquely loaded foam-filled aluminum extrusions. Implast, 8th International Symposium on Plasticity and Impact Mechanics , New Dehli, India 2003-03-19 -
Academic lecture

Benallal, Ahmed; Berstad, Torodd; Børvik, Tore; Clausen, Arild Holm; Hopperstad, Odd Sture. (2003) On the Effect of Negative Strain-Rate Sensitivity on the Behaviour of Aluminium Alloy 5083-H116. 5th Euromech Solid Mechanics Conference , Thessaloniki, Hellas 2003-08-22 -
Academic lecture

Dørum, Cato; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus; sannes, stian. (2003) Cast magnesium safety components - energy absorption capaacity. 6th International Conference and Exhibition on Magnesium Alloys and their Applications , Wolfsburg, Tyskland 2003-11-20 -
Academic lecture

Dørum, Cato; Hopperstad, Odd Sture; Langseth, Magnus; Lademo, Odd-Geir; sannes, stian. (2003) Cast magnesium safety components - experimental work and numerical simulations. International Crashworthiness and Design Symposium 2003 , Lille, Frankrike 2003-12-04 -
Academic lecture

Jensen, Østen; Langseth, Magnus; Hopperstad, Odd Sture. (2003) Transition from local to global buckling: Quasi-static and dynamic experimental results. In: Gupta N.K., editor. IMPLAST 2003 , New Delhi 2003-03-19 -
Academic lecture

Clausen, Arild Holm; Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2003) Impact resistance of AA6005 panels. 7th International DYMAT Conference , Porto, Portugal 2003-09-12 -

2002

Academic lecture

Dey, Sumita; Hopperstad, Odd Sture; Børvik, Tore; Clausen, Arild Holm. (2002) A constitutive relation and failure criterion for three structural steels at high strain rates. 7th International Symposium on Structures under Shock and Impact , Montreal 2002-05-29 -
Academic lecture

Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Crash behavior of obliquely loaded aluminum extrusions. 7th International Symposium on Structures under Shock and Impact , Montreal 2002-05-29 -
Academic lecture

Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Ballistic penetration and perforation of steel plates - an experimental and numerical investigation. Seventh International Conference on Structures Under Shock and Impact (SUSI 2002) , Montreal, Canada 2002-05-29 -
Academic lecture

Børvik, Tore; Langseth, Magnus; Hopperstad, Odd Sture; Polanco-Loria, M.. (2002) Ballistic Perforation Resistance of High Performance Concrete Slabs with Different Unconfined Compressive Strengths. First International Conference on High Performance Structures and Composites , Seville, Spain 2002-03-13 -
Academic lecture

Lademo, Odd-Geir; Hopperstad, Odd Sture; Pedersen, K.O.. (2002) Formability Modelling of Aluminium Extrusions. The 9 International Conference on Plasticity , Aruba 2002-01-08 -
Academic lecture

Langseth, Magnus; Hopperstad, Odd Sture; Jensen, Østen; Hanssen, Arve Grønsund; Lademo, Odd-Geir. (2002) Transition between progressive folding and local buckling. Nordic LS-DYNA Users' Conference , Goetenburg, Sweden 2002-09-17 -
Academic lecture

Lademo, Odd-Geir; Hopperstad, Odd Sture; Berstad, Torodd; Langseth, Magnus. (2002) Modelling of aluminium for crashworthiness analyses. Nordic LS-DYNA Users Conferende , Gotenburg, Sweden 2002-09-17 -
Academic lecture

Hopperstad, Odd Sture; Berstad, Torodd; Lademo, Odd-Geir; Reyes, Aase Gavina Roberg; Langseth, Magnus; Hanssen, Arve Grønsund. (2002) Modelling of the behaviour and failure of aluminium alloys and foams. CrashMAT 2002 , Freiburg 2002-04-16 -
Academic lecture

Langseth, Magnus; Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Jensen, Østen; Lademo, Odd-Geir. (2002) Transition between Progressive folding and global buckling: Ongoing research. CrashMAT 2002 , Freiburg 2002-04-16 -
Academic lecture

Jensen, Østen; Langseth, Magnus; Hopperstad, Odd Sture. (2002) Transition between progressive and global buckling of aluminium extrusions. Structures under SHock and Impact. Southampton: W.I.T. Press , Monteral, Canada 2002-05-23 -

2001

Academic lecture

Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Stretch bending of aluminium extrusions. First national conference on Computational Mechanics , Trondheim 2001-05-04 -
Academic lecture

Clausen, Arild Holm; Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2001) Explicit FEA of Stretch Bending of Aluminium Bumpers. Materials Week 2001 , München, Tyskland 2001-10-02 -
Academic lecture

Hopperstad, Odd Sture; Lademo, Odd-Geir; Langseth, Magnus. (2001) Numerical modelling of failure in textured aluminium alloys. Presented at Materials and Structural Behaviour at Crach Process , Institut Kurzzeitdynamikk Ernst-Mach-Institute, Freiburg 2001-04-25 -
Academic lecture

Lademo, Odd-Geir; Hopperstad, Odd Sture; Berstad, T; Langseth, Magnus. (2001) Numerical Simulations of Ductile Failure in Extruded Aluminium Alloys Using a Coupled Model of Elastoplasticity and Damage. Third European LS-DYNA Conference , Paris, France 2001-06-19 -
Academic lecture

Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2001) An experimental and numerical study on the energy absorbing capability of aluminum extrusions under oblique loading. 3rd EUROPEAN LS-DYNA USER'S CONFERENCE 2001 , Paris, France 2001-06-19 -
Academic lecture

Reyes, Aase Gavina Roberg; Langseth, Magnus; Hopperstad, Odd Sture. (2001) Behavior and modelling of oblique loaded extrusions. Freiburg Workshop for Material and Structural Behaviour at Crash Processes , Freiburg, Tyskland 2001-04-25 -
Academic lecture

Børvik, Tore; Hopperstad, Odd Sture; Berstad, Jan; Dey, Sumita; Langseth, Magnus. (2001) Finite element analysis of ductile failure in structural steel subjected to muliaxial stress states and high strain rates. 3rd European LS-DYNA Users Conference , Paris, France 2001-06-19 -
Academic lecture

Polanco-Loria, M.; Hopperstad, Odd Sture; Børvik, Tore. (2001) A Concrete Material Model for Impact Loaing Conditions. Nordic Seminar on Computational Mechanics , Lund, Sweden 2001-10-20 -
Academic lecture

Lademo, Odd-Geir; Dørum, Cato; Langseth, Magnus; Hopperstad, Odd Sture. (2001) On the Crashworthiness Modelling of Aluminium and Magnesium Castings. Materials Week , Munchen, Germany 2001-10-04 -
Academic lecture

Lademo, Odd-Geir; Dørum, Cato; Langseth, Magnus; Hopperstad, Odd Sture. (2001) Modelling Crash Behaviour of HIPDC Components. Seminar on High Pressure Die Casting of Light Alloys , Dep. of Materials Technology and Electro Chemistry, NTNU, Trondheim 2001-11-28 -
Academic lecture

Clausen, Arild Holm; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (2001) Explicit FEA of Stretch Bending of Aluminium Bumpers. Materials Week 2001 , Munchen 2001-10-04 -

2000

Academic lecture

Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2000) Axial Crushing of Aluminium Columns with Aluminium Foam Filler. Mechanics and Materials in Design M2D , Orlando, USA, 29-31 May 2000
Academic lecture

Børvik, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (2000) Experimental and numerical study of target plate failure in projectile impact. The Symposium on Continuous Damage and Fracture , Cachan, Paris 23.-27. October 2000
Academic lecture

Hopperstad, Odd Sture; Børvik, Tore; Langseth, Magnus. (2000) Failure in structural impact-experimental and numerical studies. 13th Nordic Seminar on Computational Mechanics (NSCM-13) , Oslo, 20-21 oktober, 2000
Academic lecture

Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2000) Axial Crushing of Aluminium Columns with Aluminium Foam Filler. Structural Failure and Plasticity (IMPLAST 2000) , Melbourne, Australia, 4-6 October 2000
Academic lecture

Hanssen, Arve Grønsund; Langseth, Magnus; Hopperstad, Odd Sture. (2000) Crashworthiness of Aluminium Extrusions with Aluminium Foam Filler. CEAS Forum On Crash Questions , Capua, Italy, 14-15 February 2000

1999

Academic lecture

Langseth, Magnus; Hanssen, Arve Grønsund; Hopperstad, Odd Sture. (1999) Crashworthiness of Ultralight Body Structures. Integrity, Reliability and Failure , Porto, Portugal, 19-22 June 1999

1998

Academic lecture

Tryland, Tore; Langseth, Magnus; Hopperstad, Odd Sture. (1998) Experimental investigation of aluminium beams subjected to transverse forces. Nordic Steel Construction Conference 98 , Bergen, Norway
Academic lecture

Tryland, Tore; Hopperstad, Odd Sture; Langseth, Magnus. (1998) Aluminium beams subjected to concentrated loading. 12th Engineering Mechanics , La Jolla, San Diego, California, USA
Academic lecture

Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (1998) Crushing of Square Aluminium Extrusions with Aluminium Foam Filler - Numerical Analyses. Structures under Shock and Impact V, SUSI V , Thessaloniki, Greece, 24-26 June, 1998
Academic lecture

Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1998) Stretch Bending of Rectangular Hollow Section Aluminium Extrusions. ASCE 12th Engineering Mechanics Conference , La Jolla, CA, USA
Academic lecture

Aalberg, Arne; Langseth, Magnus; Hopperstad, Odd Sture; Malo, Kjell A.. (1998) Ultimate strength of stiffened aluminium plates. Second International Conference on Thin-Walled Structures , Singapore

1997

Academic lecture

Leira, Bernt Johan; Hopperstad, Odd Sture; Remseth, Svein N; Larssen, Rolf M.. (1997) Reliability-based analysis of a stretch-bending proces for aluminium-extrusions. 7th ICOSSAR , Kyoto
Academic lecture

Hanssen, Arve Grønsund; Hopperstad, Odd Sture; Langseth, Magnus. (1997) Crashworthiness of Aluminium Extrusions Filled with Aluminium Foam. EUROMECH 362, Structural Damage and Failure under Intense Loading , Manchester, UK, 21-23 April 1997
Academic lecture

Clausen, Arild Holm; Hopperstad, Odd Sture; Langseth, Magnus. (1997) Stretch bending analyses using implicit and explicit FE codes. 10th Nordic Seminar on Computational Mechanics , Tallin
Academic lecture

Malo, Kjell A.; Hopperstad, Odd Sture; Ilstad, Håvar; Trømborg, Egil. (1997) Test problems for plastic forming simulations. 3rd. EUROMECH Solid Mechanics Conference , KTH, Stockholm

1996

Academic lecture

Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus. (1996) Anisotropic metal plasticity : yield criterion, flow rule, strain hardening and fracture. Precision testing in support of computer code validation and ve rification , [Mangler data]
Academic lecture

Hopperstad, Odd Sture; Remseth, Svein N. (1996) On cyclic stability of beam-columns. European Seismology Commission. XXV General Assembly , [Mangler data]
Academic lecture

Ilstad, Håvard; Lademo, Odd-Geir; Hopperstad, Odd Sture; Langseth, Magnus; Malo, Kjell A. (1996) On anisotropic yield criteria for aluminium alloys. 9th Nordic Seminar for Computational Mechanics , [Mangler data]
Academic lecture

Hopperstad, Odd Sture; Langseth, Magnus. (1996) Plate buckling : tests vs simulations. Precision testing in support of computer code validation and ve rification , [Mangler data]
Popular scientific lecture

Hopperstad, Odd Sture; Langseth, Magnus; Hanssen, Lars. (1996) Ultimate compressive strength of plate elements in aluminium : correlation of finite element analysis and tests. Bicentenary Conference on Thin-Walled Structures , [Mangler data]

1995

Academic lecture

Langseth, Magnus; Hopperstad, Odd Sture. (1995) Design of aluminium space frames. Conference on Crashworthiness and Design , [Mangler data]
Academic lecture

Berstad, Torodd; Langseth, Magnus; Hopperstad, Odd Sture. (1995) Crashworthiness of thin-walled aluminium extrusions. 4th International Conference on Computational Plasticity , [Mangler data]
Academic lecture

Langseth, Magnus; Hopperstad, Odd Sture. (1995) Local buckling of square thin-walled aluminium extrusions. 3rd International Conference on Steel and Aluminium Structures , [Mangler data]

1994

Academic lecture

Langseth, Magnus; Berstad, Torodd; Hopperstad, Odd Sture; Clausen, Arild Holm. (1994) Energy absorption in axially loaded square thin-walled aluminium extrusions. 3rd International Conference on Structures Under Shock and Impact , [Mangler data]
Academic lecture

Berstad, Torodd; Hopperstad, Odd Sture; Langseth, Magnus. (1994) Elasto-viscoplastic constitutive models in the explicit finite element code LS-DYNA3D. 2nd International LS-DYNA3D Conference , [Mangler data]
Academic lecture

Langseth, Magnus; Hopperstad, Odd Sture; Berstad, Torodd. (1994) Energy absorption in axially loaded square thin-walled aluminium extrusions. 7th Nordic Seminar on Computational Mechanics , [Mangler data]
Popular scientific lecture

Hopperstad, Odd Sture. (1994) Bending of thin-walled rectangular hollow sections in aluminium : experimental studies and numerical modelling. , [Mangler data]

1993

Academic lecture

Hopperstad, Odd Sture; Remseth, Svein N. (1993) Modelling of cyclic elastoplastic behaviour of metal structures. NTH European Conference on Structural Dynamics (2 : 1993 : Trondheim) , [Mangler data]
Academic lecture

Opheim, Birgit S.; Langseth, Magnus; Hopperstad, Odd Sture; et al., [Mangler fornavn]. (1993) Two-point bending of simply supported RHS aluminium beams : an experimental and numerical study. Biegetechnik fyr Strangpressprofile und Rohre aus Aluminium : Neu-Ulm, 28.-29. oktober 1993 , [Mangler data]

1992

Academic lecture

Hopperstad, Odd Sture. (1992) Plasticity models for cyclic behaviour of steel frames. International Conference on Computational Plasticity (3 : 1992 : Barcelona) , [Mangler data]

Språkvelger

Odd Sture Hopperstad

Odd Sture Hopperstad

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