Peter Rohrer
About
Research Topic: Multidisciplinary design optimization of floating wind turbines
Funded by: SFI BLUES Center
Supervisor: Prof. Erin Bachynski-Polić
Co-Supervisors: Prof. Zhen Gao, John Marius Hegseth
Previous Education
M.Sc. Naval Architecture and Marine Engineering, University of Michigan, Ann Arbor, MI, May 2021. Thesis: Gradient-Based Design Optimization of Large Tension-Leg Platform Wind Turbines.
B.S.E. Naval Architecture and Marine Engineering, University of Michigan, Ann Arbor, MI, May 2020. Minor: Oceanography.
Competencies
Research
Widespread use of floating wind turbines for power generation will require significant reductions in cost and environmental impact. The complexity of coupled analysis and few full-scale projects has led to difficulties in determining the most effective designs. Multidisciplinary design optimization (MDO) techniques can be applied to this problem and efficiently explore the design space despite the coupling inherent in a linear aero-hydro-servo-elastic model of a floating wind turbine.
This work seeks to develop generic MDO techniques and make use of gradient-based optimization methods to quickly find optimal designs. Furthermore, novel objective functions are sought that consider the impacts of floating wind turbines on their surrounding environment. The optimal designs found, and broader exploration of the design space, can be used to guide future floating wind turbine designs.
Publications
2024
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Rohrer, Peter Joshua;
Bachynski-Polic, Erin Elizabeth.
(2024)
Analytical gradients of first-order diffraction and radiation forces for design optimization of floating structures.
Applied Ocean Research
Academic article
2023
-
Rohrer, Peter Joshua;
Bachynski-Polic, Erin Elizabeth;
Hegseth, John Marius.
(2023)
Gradient-Based Design Optimization of Fully-Flexible Floating Wind Turbines Using Modal Analysis.
The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
2022
-
Rohrer, Peter Joshua;
Bachynski-Polic, Erin Elizabeth;
Collette, Matthew.
(2022)
Towards gradient-based design optimization of fully-flexible tension-leg platform wind turbines.
Journal of Physics: Conference Series (JPCS)
Academic article
Journal publications
-
Rohrer, Peter Joshua;
Bachynski-Polic, Erin Elizabeth.
(2024)
Analytical gradients of first-order diffraction and radiation forces for design optimization of floating structures.
Applied Ocean Research
Academic article
-
Rohrer, Peter Joshua;
Bachynski-Polic, Erin Elizabeth;
Collette, Matthew.
(2022)
Towards gradient-based design optimization of fully-flexible tension-leg platform wind turbines.
Journal of Physics: Conference Series (JPCS)
Academic article
Part of book/report
-
Rohrer, Peter Joshua;
Bachynski-Polic, Erin Elizabeth;
Hegseth, John Marius.
(2023)
Gradient-Based Design Optimization of Fully-Flexible Floating Wind Turbines Using Modal Analysis.
The American Society of Mechanical Engineers (ASME)
Academic chapter/article/Conference paper
Teaching
Lecturer in TMR4505 - Design Optimization
Lecturer's Assistant in TMR4220 - Naval Hydrodynamics
Knowledge Transfer
2024
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LectureRohrer, Peter Joshua. (2024) Gradients of Hydrodynamic Coefficients for Design Optimization. SFI BLUES SFI BLUES Partner Event - Summer 2024 , Trondheim 2024-06-04 - 2024-06-04
2023
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PosterRohrer, Peter Joshua. (2023) A gradient-friendly boundary element method solver?. SFI BLUES SFI BLUES Spring Event 2023 , Trondheim 2023-05-23 - 2023-05-24
2022
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LectureRohrer, Peter Joshua. (2022) Platform elasticity in a linearized aero-hydro-servo-elastic model for gradient-based optimization. SFI BLUES SFI BLUES Autumn Event 2022 , Oslo 2022-11-15 - 2022-11-16