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Volume 13
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10.3390/jmse13081443
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Mooring Evaluation of a Floating Offshore Wind Turbine Platform Under Rogue Wave Conditions Using a Coupled CFD-FEM Model

by
Bo Li
1,2,
Hao Qin
1,2,3,*,
Haoran Zhang
3,4,
Qibin Long
1,2,
Donghao Ma
1,2 and
Chen Xu
1,2
1
Hubei Key Laboratory of Marine Geological Resources, College of Marine Science and Technology, China University of Geosciences, Wuhan 430074, China
2
Shenzhen Research Institute, China University of Geosciences, Shenzhen 518057, China
3
State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
4
Marine Design & Research Institute of China, Shanghai 200011, China
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2025, 13(8), 1443; https://doi.org/10.3390/jmse13081443
Submission received: 30 June 2025 / Revised: 18 July 2025 / Accepted: 28 July 2025 / Published: 28 July 2025
(This article belongs to the Section Coastal Engineering)
Versions Notes

Abstract

As the development of offshore wind energy transforms from coastal to deep-sea regions, designing a cost effective mooring system while ensuring the safety of floating offshore wind turbine (FOWT) remains a critical challenge, especially considering extreme wave environments. This study employs a model coupling computational fluid dynamics (CFD) and finite element method (FEM) to investigate the responses of a parked FOWT platform with its mooring system under rogue wave conditions. Specifically, the mooring dynamics are solved using a local discontinuous Galerkin (LDG) method, which is believed to provide high accuracy. Firstly, rogue wave generation and the coupled CFD-FEM are validated through comparisons with existing experimental and numerical data. Secondly, FOWT platform motions and mooring tensions caused by a rogue wave are obtained through simulations, which are compared with the ones caused by a similar peak-clipped rogue wave. Lastly, analysis of four different mooring design schemes is conducted to evaluate their performance on reducing the mooring tensions. The results indicate that the rogue wave leads to significantly enlarged FOWT platform motions and mooring tensions, while doubling the number of mooring lines with specific line angles provides the most balanced performance considering cost-effectiveness and structural safety under identical rogue wave conditions.
Keywords: floating offshore wind turbine platform; mooring system; rogue wave; wave-structure interaction floating offshore wind turbine platform; mooring system; rogue wave; wave-structure interaction

Share and Cite

MDPI and ACS Style

Li, B.; Qin, H.; Zhang, H.; Long, Q.; Ma, D.; Xu, C. Mooring Evaluation of a Floating Offshore Wind Turbine Platform Under Rogue Wave Conditions Using a Coupled CFD-FEM Model. J. Mar. Sci. Eng. 2025, 13, 1443. https://doi.org/10.3390/jmse13081443

AMA Style

Li B, Qin H, Zhang H, Long Q, Ma D, Xu C. Mooring Evaluation of a Floating Offshore Wind Turbine Platform Under Rogue Wave Conditions Using a Coupled CFD-FEM Model. Journal of Marine Science and Engineering. 2025; 13(8):1443. https://doi.org/10.3390/jmse13081443

Chicago/Turabian Style

Li, Bo, Hao Qin, Haoran Zhang, Qibin Long, Donghao Ma, and Chen Xu. 2025. "Mooring Evaluation of a Floating Offshore Wind Turbine Platform Under Rogue Wave Conditions Using a Coupled CFD-FEM Model" Journal of Marine Science and Engineering 13, no. 8: 1443. https://doi.org/10.3390/jmse13081443

APA Style

Li, B., Qin, H., Zhang, H., Long, Q., Ma, D., & Xu, C. (2025). Mooring Evaluation of a Floating Offshore Wind Turbine Platform Under Rogue Wave Conditions Using a Coupled CFD-FEM Model. Journal of Marine Science and Engineering, 13(8), 1443. https://doi.org/10.3390/jmse13081443

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