风浪环境参数对22 MW海上风电结构荷载的影响初探

李志; 邱旭; 罗宇骁; 施袁锋; 戴靠山; 尚靖涵

doi:10.19912/j.0254-0096.tynxb.2025-0672

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风浪环境参数对22 MW海上风电结构荷载的影响初探

更新时间：2026-10-15

- 风浪环境参数对22 MW海上风电结构荷载的影响初探
- Vol. 47, Issue 9, Pages: 717-725(2026)
- 作者机构：
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- DOI：10.19912/j.0254-0096.tynxb.2025-0672
  CLC： TM315
- Online First：10 October 2026，
  
  Published：2026
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李志, 邱旭, 罗宇骁, et al. 风浪环境参数对22 MW海上风电结构荷载的影响初探[J]. 2026, 47(9): 717-725.
DOI：

李志, 邱旭, 罗宇骁, et al. 风浪环境参数对22 MW海上风电结构荷载的影响初探[J]. 2026, 47(9): 717-725. DOI： 10.19912/j.0254-0096.tynxb.2025-0672.

摘要

为探究风浪环境参数对大兆瓦海上风电结构设计荷载的影响，选取位于中国海域的近海风电场环境参数为变量，使用OpenFAST对IEA 22 MW海上单桩式参考风力机进行动力响应分析和极限、疲劳荷载计算。根据海域数据特征，将湍流强度、风切系数分为3个水平，通过Copula函数建立各海域风浪联合概率分布，通过方差分析及随机森林法，衡量各环境参数对等效疲劳荷载各分量的影响程度。通过极限工况下的荷载响应统计，分析50 a一遇极端风速、极端波高及波周期对泥面处极限荷载响应的影响。

Abstract

To investigate the influence of wind and wave environmental parameters on the design loads of multi-megawatt offshore wind turbines

offshore wind form environmental parameters from Chinese maritime areas were selected as variables. Dynamic response

extreme loads and equivalent fatigue loads of the IEA 22 MW offshore monopile reference turbine were computed using OpenFAST. Based on regional marine characteristics

turbulence intensity and wind shear coefficient were categorized into three levels

and the joint probability distributions of wind and waves for each region were established using Copula functions. Analysis of variance and random forest methods were then employed to assess the influence of various environmental parameters on the components of the equivalent fatigue loads. Furthermore

by analyzing the load responses under extreme conditions

the effects of a 50-year return period extreme wind speed

significant wave height and wave period on the loads at the mudline were examined.

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