湍流风作用下铰接式基础风力机动力响应研究

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摘要针对50m作业水深提出了一种新型铰接式基础海上风力机结构，建立了铰接式基础风力机摇摆运动分析模型。采用空气动力-水动力耦合分析方法，利用MATLAB在时域内编写运动控制方程，对风、浪、流不同环境载荷作用下铰接式基础风力机的动力响应进行分析，在此基础上，进一步研究湍流风对风力机整体运动及载荷响应影响。计算结果表明，额定风速海况下，铰接式基础风力机运动及载荷性能良好，满足结构设计要求。相比于定常风情况，湍流风作用下，系统响应均值显著减小，但幅值变化加大，且在低频范围内诱发较大共振。

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	章培1
	2
	3
	唐友刚1
	2
	3
	杨树耕1
	2
	3
	李焱1
	2
	3
	景雪娇1
	2
	3
	尹天畅1
	2
	3

关键词 ：铰接式基础风力机, 动力响应, 时域, 湍流风, 共振

Abstract：A new-type articulated offshore wind turbine (AOWT) is proposed for the water depth of 50 m, and an analytical model for the swing motion of AOWT was established. Through adopting the aerodynamic-hydrodynamic coupling analysis method and programing MATLAB code, the dynamic response of the structure under the action of different environmental loads such as wind, wave and flow was analyzed. Besides, the influence of the steady and turbulent wind models on the overall movement and load response of the structure was conducted. The results show that AOWT has great movement and load performance under the rated wind condition, the structure design meets the requirements of safe operation. Compared with the steady wind, the amplitude changes greatly under the action of the turbulent wind, but the mean value significantly decreases, and a large coupling resonance is induced in the low frequency range.

Key words： Articulated Offshore wind turbine Dynamic response The time domain Turbulent wind Resonance

收稿日期: 2020-10-12 出版日期: 2022-02-15

引用本文:

章培1，2，3，唐友刚1，2，3，杨树耕1，2，3，李焱1，2，3,景雪娇1，2，3，尹天畅1，2，3. 湍流风作用下铰接式基础风力机动力响应研究[J]. 振动与冲击, 2022, 41(3): 299-306.
ZHANG Pei1,2,3, TANG Yougang1,2,3, YANG Shugeng1,2,3, LI Yan1,2,3, JING Xuejiao1,2,3, YIN Tianchang1,2,3. Numerical code development and dynamic response of articulated offshore wind turbine. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(3): 299-306.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2022/V41/I3/299

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