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  1. Employees

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Vegard Longva

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Vegard Longva

Professor II

vegard.longva@sintef.no
C418 Jonsvannsveien 82 Moholt, Trondheim
About Publications Teaching Outreach

About

My working duties at the Department of Marine Technology is teaching in the course Marine Technology 2 - Structures (TMR4167). I am also employed as a Senior Research Scientist at SINTEF Ocean at the Structural Engineering Group.

Field of interests:

  • Development of numerical methods for non-linear global structural analysis:
    • Contact formulations
    • Beam formulations
    • Lagrangian-Eulerian formulations
  • Global response of slender marine structures:
    • Interaction between fishing gear and pipelines and other subsea structures
    • On-bottom-stability of pipelines and cables
    • Torsion response in handling operations for cables and flexible pipes
  • Development of commercial software for slender marine structures
  • Teaching

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2024

  • Hao, Mingxuan; Longva, Vegard; Ye, Naiquan; Ji, Guomin; Sævik, Svein. (2024) The Influence of Current Profile on On-Bottom Stability of Subsea Cable. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2023

  • Yin, Decao; Maincon, Philippe Emmanuel; Longva, Vegard; Warringa, Sjoerd; Smith, Carl. (2023) Torque Evaluation of Cable Under Transport. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2022

  • Longva, Vegard; Levold, Erik; Ilstad, Håvar; Sævik, Svein; Klæbo, Frank; Opgård, Marie. (2022) Simulation of Trawl Board and Pipeline Pull-Over Interaction. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Longva, Vegard; Levold, Erik; Ilstad, Håvar. (2022) A Trawl Net Model Tailor-Made for Simulation of Pipeline and Trawl Board Pull-Over Interaction. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2021

  • Longva, Vegard; Ji, Guomin; Sævik, Svein; Ye, Naiquan; Gjøsteen, Janne Kristin Økland; Giertsen, Egil. (2021) Algorithmic formulation of clay and sand pipe–soil interaction models for on-bottom stability analysis. Marine Structures
    Academic article
  • Maincon, Philippe Emmanuel; Longva, Vegard. (2021) Torsion Failures in Handling Operations for Power Cables, Umbilicals and Flexible Pipes. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2016

  • Longva, Vegard; Sævik, Svein. (2016) On prediction of torque in flexible pipe reeling operations using a Lagrangian-Eulerian FE framework. Marine Structures
    Academic article

2015

  • Longva, Vegard. (2015) Formulation and Application of Finite Element Techniques for Slender Marine Structures Subjected to Contact Interactions. Norwegian University of Science and Technology
    Doctoral dissertation
  • Wu, Xiaopeng; Longva, Vegard; Sævik, Svein; Moan, Torgeir. (2015) A Simplified Approach to Estimate the Probability of Otter Board Hooking at Pipelines. Journal of Offshore Mechanics and Arctic Engineering
    Academic article
  • Longva, Vegard; Sævik, Svein. (2015) A Lagrangian–Eulerian formulation for reeling analysis of history-dependent multilayered beams. Computers & structures
    Academic article

2013

  • Longva, Vegard; Sævik, Svein; Levold, Erik; Ilstad, Håvar. (2013) Dynamic simulation of subsea pipeline and trawl board pull-over interaction. Marine Structures
    Academic article
  • Longva, Vegard; Sævik, Svein. (2013) A penalty-based contact element for pipe and 3D rigid body interaction. Engineering structures
    Academic article
  • Wu, Xiaopeng; Longva, Vegard; Sævik, Svein; Moan, Torgeir. (2013) Simulation of Hooking Event in Fish Trawling Operation. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2012

  • Longva, Vegard; Sævik, Svein. (2012) A Penalty-Based Body-Pipeline Contact Element for Simulation of Pull-Over Events. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2011

  • Longva, Vegard; Sævik, Svein; Levold, Erik; Ilstad, Håvar; Teigen, Per. (2011) Dynamic Simulation of Free-Spanning Pipeline Trawl Board Pull-Over (OMAE2011-49592). The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

Journal publications

  • Longva, Vegard; Ji, Guomin; Sævik, Svein; Ye, Naiquan; Gjøsteen, Janne Kristin Økland; Giertsen, Egil. (2021) Algorithmic formulation of clay and sand pipe–soil interaction models for on-bottom stability analysis. Marine Structures
    Academic article
  • Longva, Vegard; Sævik, Svein. (2016) On prediction of torque in flexible pipe reeling operations using a Lagrangian-Eulerian FE framework. Marine Structures
    Academic article
  • Wu, Xiaopeng; Longva, Vegard; Sævik, Svein; Moan, Torgeir. (2015) A Simplified Approach to Estimate the Probability of Otter Board Hooking at Pipelines. Journal of Offshore Mechanics and Arctic Engineering
    Academic article
  • Longva, Vegard; Sævik, Svein. (2015) A Lagrangian–Eulerian formulation for reeling analysis of history-dependent multilayered beams. Computers & structures
    Academic article
  • Longva, Vegard; Sævik, Svein; Levold, Erik; Ilstad, Håvar. (2013) Dynamic simulation of subsea pipeline and trawl board pull-over interaction. Marine Structures
    Academic article
  • Longva, Vegard; Sævik, Svein. (2013) A penalty-based contact element for pipe and 3D rigid body interaction. Engineering structures
    Academic article

Part of book/report

  • Hao, Mingxuan; Longva, Vegard; Ye, Naiquan; Ji, Guomin; Sævik, Svein. (2024) The Influence of Current Profile on On-Bottom Stability of Subsea Cable. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Yin, Decao; Maincon, Philippe Emmanuel; Longva, Vegard; Warringa, Sjoerd; Smith, Carl. (2023) Torque Evaluation of Cable Under Transport. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Longva, Vegard; Levold, Erik; Ilstad, Håvar; Sævik, Svein; Klæbo, Frank; Opgård, Marie. (2022) Simulation of Trawl Board and Pipeline Pull-Over Interaction. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Longva, Vegard; Levold, Erik; Ilstad, Håvar. (2022) A Trawl Net Model Tailor-Made for Simulation of Pipeline and Trawl Board Pull-Over Interaction. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Maincon, Philippe Emmanuel; Longva, Vegard. (2021) Torsion Failures in Handling Operations for Power Cables, Umbilicals and Flexible Pipes. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Wu, Xiaopeng; Longva, Vegard; Sævik, Svein; Moan, Torgeir. (2013) Simulation of Hooking Event in Fish Trawling Operation. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Longva, Vegard; Sævik, Svein. (2012) A Penalty-Based Body-Pipeline Contact Element for Simulation of Pull-Over Events. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Longva, Vegard; Sævik, Svein; Levold, Erik; Ilstad, Håvar; Teigen, Per. (2011) Dynamic Simulation of Free-Spanning Pipeline Trawl Board Pull-Over (OMAE2011-49592). The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

Report

  • Longva, Vegard. (2015) Formulation and Application of Finite Element Techniques for Slender Marine Structures Subjected to Contact Interactions. Norwegian University of Science and Technology
    Doctoral dissertation

Teaching

Courses

  • TMR4167 - Marin teknikk 2 - Konstruksjoner

Lecturer in the course TMR4167 Marine Technology - Structures in the fall semester 2023.

Outreach

What does a rock climbing belay device have in common with a subsea cable installation vessel?

Article including video that was published in the Norwegian popular science magazine "Gemini" in January 2021.

2022

  • Academic lecture
    Longva, Vegard; Levold, Erik; Ilstad, Håvar. (2022) A trawl net model tailor-made for simulation of pipeline and trawl board pull-over interaction (OMAE2022-79216), Proceedings of The ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering . ASME OMAE 2022 , Hamburg 2022-06-05 - 2022-06-10
  • Academic lecture
    Longva, Vegard; Levold, Erik; Ilstad, Håvar; Sævik, Svein; Klæbo, Frank; Opgård, Marie. (2022) Simulation of trawl board and pipeline pull-over interaction (OMAE2022-79928), Proceedings of The ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. ASME OMAE 2022 , Hamburg 2022-06-05 - 2022-06-10
  • Lecture
    Longva, Vegard. (2022) Simulation of trawl board and pipeline pull-over interaction. NPF Subsea Pipelines & Cables , Trondheim 2022-10-11 - 2022-10-12

2019

  • Lecture
    Longva, Vegard; Ji, Guomin; Sævik, Svein; Ye, Naiquan; Gjøsteen, Janne Kristin Økland; Giertsen, Egil. (2019) 3D time domain on-bottom stability analysis of subsea pipelines. 42nd Offshore Pipeline Technology Conference, OPT2019 , Amsterdam 2019-02-25 - 2019-02-27

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