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

A Bidirectional Tuned Mass Damper for Flutter Suppression in Ultra-Large Offshore Wind Turbine Flexible Blades

by
Weiliang Liao
1,
Mingming Zhang
1,
Jianjun Yang
2,
Youhua Fan
3,*,
Tianlun Du
3 and
Yanfei Deng
1
1
College of Artificial Intelligence, Harbin Institute of Technology, Shenzhen 518055, China
2
Goldwind Science & Technology Co., Ltd., Beijing 100176, China
3
College of Frontier Sciences, Harbin Institute of Technology, Shenzhen 518055, China
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2025, 13(9), 1776; https://doi.org/10.3390/jmse13091776
Submission received: 21 August 2025 / Revised: 9 September 2025 / Accepted: 12 September 2025 / Published: 14 September 2025
(This article belongs to the Topic Advancements in Cost-Effective and Reliable Floating Offshore Wind Technologies: From Innovative Design to System Integration)
Versions Notes

Abstract

As onshore space resources become exhausted, the migration of wind turbines to offshore areas is an inevitable trend. The blades of offshore wind turbines are typically over 100 m long, and this increased nonlinearity in the blades escalates the risk of flutter. Addressing the flutter phenomenon in these ultra-long flexible blades, this research establishes a full-scale model (FSM) considering geometric and material nonlinearities to accurately characterize the nonlinear dynamic response. Compared to the equivalent beam model, the proposed FSM better lays a foundation for flutter suppression research. On this basis, a bidirectional TMD was innovatively applied to the wind turbine blade and compared against a unidirectional TMD. The results demonstrate that bidirectional TMD can enhance the flutter control rate of 15 MW blades to over 90%, significantly improving flutter characteristics. Compared to the original blade, the steady-state amplitude is reduced by up to 45.73%, markedly suppressing flutter levels. These findings provide theoretical and data support for subsequent studies on aeroelastic instability and flutter suppression in ultra-long flexible blades, offering significant engineering application value and potential for broader implementation.
Keywords: offshore wind turbine; ultra-long flexible blade; flutter characteristics; bidirectional TMD; flutter suppression; vibration control offshore wind turbine; ultra-long flexible blade; flutter characteristics; bidirectional TMD; flutter suppression; vibration control

Share and Cite

MDPI and ACS Style

Liao, W.; Zhang, M.; Yang, J.; Fan, Y.; Du, T.; Deng, Y. A Bidirectional Tuned Mass Damper for Flutter Suppression in Ultra-Large Offshore Wind Turbine Flexible Blades. J. Mar. Sci. Eng. 2025, 13, 1776. https://doi.org/10.3390/jmse13091776

AMA Style

Liao W, Zhang M, Yang J, Fan Y, Du T, Deng Y. A Bidirectional Tuned Mass Damper for Flutter Suppression in Ultra-Large Offshore Wind Turbine Flexible Blades. Journal of Marine Science and Engineering. 2025; 13(9):1776. https://doi.org/10.3390/jmse13091776

Chicago/Turabian Style

Liao, Weiliang, Mingming Zhang, Jianjun Yang, Youhua Fan, Tianlun Du, and Yanfei Deng. 2025. "A Bidirectional Tuned Mass Damper for Flutter Suppression in Ultra-Large Offshore Wind Turbine Flexible Blades" Journal of Marine Science and Engineering 13, no. 9: 1776. https://doi.org/10.3390/jmse13091776

APA Style

Liao, W., Zhang, M., Yang, J., Fan, Y., Du, T., & Deng, Y. (2025). A Bidirectional Tuned Mass Damper for Flutter Suppression in Ultra-Large Offshore Wind Turbine Flexible Blades. Journal of Marine Science and Engineering, 13(9), 1776. https://doi.org/10.3390/jmse13091776

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