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Article

Numerical Study on the Dynamic Characteristics of a Coupled Wind–Wave Energy Device

1
Huadian (Fujian) Wind Power Co., Ltd., Fuzhou 350300, China
2
Shandong Provincial Key Laboratory of Ocean Engineering, Ocean University of China, Qingdao 266100, China
*
Author to whom correspondence should be addressed.
Processes 2025, 13(2), 399; https://doi.org/10.3390/pr13020399
Submission received: 8 January 2025 / Revised: 26 January 2025 / Accepted: 28 January 2025 / Published: 2 February 2025
(This article belongs to the Special Issue Design and Utilization of Wind Turbines/Wave Energy Convertors)

Abstract

A wind–wave coupled device integrating an offshore fixed wind turbine and an OWC (oscillating water column) wave energy device is proposed in this study. Its dynamic characteristics under extreme environmental conditions are analyzed for practical design and development using a numerical model established based on the commercial finite element method platform ANSYS-Workbench, which is then validated using experimental data for an offshore fixed wind turbine model. The modal analysis results indicate that installing the OWC system does not modify the basic dynamic characteristics of the original wind turbine. Under different extreme environmental conditions at different design water levels, stress concentration can be observed at different locations on the structures. Although the gap between the sub-chambers of the OWC system can be increased to reduce stress on the chamber and piles, an excessively large gap will enhance structural complexity and increase construction costs. An appropriate relative size for the gap between the sub-chambers is recommended for practical design.
Keywords: wind-wave coupled device; high-rise pile cap; oscillating water column; numerical model; dynamic characteristics wind-wave coupled device; high-rise pile cap; oscillating water column; numerical model; dynamic characteristics

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MDPI and ACS Style

Su, X.; Dong, X.; Xu, C.; Liu, Z.; Ni, H.; Han, Z. Numerical Study on the Dynamic Characteristics of a Coupled Wind–Wave Energy Device. Processes 2025, 13, 399. https://doi.org/10.3390/pr13020399

AMA Style

Su X, Dong X, Xu C, Liu Z, Ni H, Han Z. Numerical Study on the Dynamic Characteristics of a Coupled Wind–Wave Energy Device. Processes. 2025; 13(2):399. https://doi.org/10.3390/pr13020399

Chicago/Turabian Style

Su, Xiaoming, Xiaochen Dong, Chuanli Xu, Zhen Liu, Heqiang Ni, and Ziqian Han. 2025. "Numerical Study on the Dynamic Characteristics of a Coupled Wind–Wave Energy Device" Processes 13, no. 2: 399. https://doi.org/10.3390/pr13020399

APA Style

Su, X., Dong, X., Xu, C., Liu, Z., Ni, H., & Han, Z. (2025). Numerical Study on the Dynamic Characteristics of a Coupled Wind–Wave Energy Device. Processes, 13(2), 399. https://doi.org/10.3390/pr13020399

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