Mohammad Rezvanipour
A reliability-constrained optimisation framework for offshore wind turbine support structures
Rezvanipour, Mohammad; Kolios, Athanasios; Amirafshari, Peyman; Wang, Lin
Authors
Abstract
A new approach that links finite element analysis (FEA) and a genetic algorithm (GA) with Monte Carlo simulation (MCS) for the reliability-constrained optimal design of offshore wind turbine (OWT) support structure is presented. This approach has been applied to optimise the NREL 5MW OWT on OC3 support structure. The objective function minimises the weight of the support structure, constrained to design and performance limits, by attaining the desired reliability level. A response analysis of the reference OWT is performed to estimate design loads. Then, deterministic optimisation (DO) is carried out to find the candidate design solutions. After that, a reliability assessment is conducted to apply the target reliability constraint. This study reveals that the design of a monopile support structure is mainly driven by fatigue limit state. Also, there is no guarantee that DO candidate designs always meet the structural reliability target level in all capacities.
Citation
Rezvanipour, M., Kolios, A., Amirafshari, P., & Wang, L. (2024). A reliability-constrained optimisation framework for offshore wind turbine support structures. International Journal of Sustainable Energy, 43(1), Article 2352786. https://doi.org/10.1080/14786451.2024.2352786
| Journal Article Type | Article |
|---|---|
| Acceptance Date | May 3, 2024 |
| Online Publication Date | May 20, 2024 |
| Publication Date | Jan 1, 2024 |
| Deposit Date | Sep 5, 2024 |
| Publicly Available Date | Sep 13, 2024 |
| Journal | International Journal of Sustainable Energy |
| Print ISSN | 1478-6451 |
| Electronic ISSN | 1478-646X |
| Publisher | Taylor and Francis |
| Peer Reviewed | Peer Reviewed |
| Volume | 43 |
| Issue | 1 |
| Article Number | 2352786 |
| DOI | https://doi.org/10.1080/14786451.2024.2352786 |
| Public URL | https://nottingham-repository.worktribe.com/output/35712922 |
| Publisher URL | https://www.tandfonline.com/doi/full/10.1080/14786451.2024.2352786 |
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A Reliability-Constrained Optimisation Framework for Offshore Wind Turbine Support Structures
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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