|Table of Contents|

Citation:
　Shuangyi Xie,Yongran Li,Jiao He,et al.Effect of Nacelle Motions on Rotor Performance and Drivetrain Dynamics in Floating Offshore Wind Turbines Using Fully Coupled Simulations[J].Journal of Marine Science and Application,2025,(6):1150-1163.[doi:10.1007/s11804-025-00636-1]
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Effect of Nacelle Motions on Rotor Performance and Drivetrain Dynamics in Floating Offshore Wind Turbines Using Fully Coupled Simulations

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Title:
Effect of Nacelle Motions on Rotor Performance and Drivetrain Dynamics in Floating Offshore Wind Turbines Using Fully Coupled Simulations
Author(s):
Shuangyi Xie1;  Yongran Li1;  Jiao He2;  Yingzhe Kan1;  Yuxin Li1
Affilations:
Author(s):
Shuangyi Xie1;  Yongran Li1;  Jiao He2;  Yingzhe Kan1;  Yuxin Li1
1. College of Mechanical Engineering, Chongqing University of Technology, Chongqing, 400054, China;
2. School of Mechanical and Intelligent Manufacturing, Chongqing University of Science & Technology, Chongqing, 401331, China
Keywords:
Drivetrain; Coupled simulation; Monopile wind turbine; Semisubmersible platform; Nacelle motion
分类号:
-
DOI:
10.1007/s11804-025-00636-1
Abstract:
This study investigates the effect of nacelle motions on the rotor performance and drivetrain dynamics of floating offshore wind turbines (FOWTs) through fully coupled aero–hydro–elastic–servo–mooring simulations. Using the National Renewable Energy Laboratory 5 MW monopile-supported offshore wind turbine and the OC4 DeepCwind semisubmersible wind turbine as case studies, the research addresses the complex dynamic responses resulting from the interaction among wind, waves, and turbine structures. Detailed multi-body dynamics models of wind turbines, including drivetrain components, are created within the SIMPACK framework. Meanwhile, the mooring system is modeled using a lumped-mass method. Various operational conditions are simulated through five wind–wave load cases. Results demonstrate that nacelle motions significantly influence rotor speed, thrust, torque, and power output, as well as the dynamic loads on drivetrain components. These findings highlight the need for advanced simulation techniques for the design and optimization of FOWTs to ensure reliable performance and longevity.

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Memo

Memo:
Received date:2024-7-16;Accepted date:2024-11-17。<br>Foundation item:Supported by the Scientific and Technological Research Program of Chongqing Municipal Education Commission of China (Grant No.: KJQN202301105, KJQN202101550), Scientific Research Fund of Chongqing University of Technology (grant No. 2021ZDZ015), and National Nature Science Foundation of China (No.: 52205052).<br>Corresponding author:Shuangyi Xie,E-mail:xsy1986@cqut.edu.cn
Last Update: 2025-12-26