地震方向对15 MW单桩海上风力机动力学响应的影响研究

马璐; 张险峰; 刘茜妮; 秦明; 傅广泽; 杨阳

doi:doi:10.19912/j.0254-0096.tynxb.2024-1393

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地震方向对15 MW单桩海上风力机动力学响应的影响研究

更新时间：2026-01-08

- 地震方向对15 MW单桩海上风力机动力学响应的影响研究
- Vol. 46, Issue 12, Pages: 617-625(2025)
- 作者机构：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1393
  CLC： TK83
- Published Online：07 January 2026，
  
  Published：2025
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马璐, 张险峰, 刘茜妮, et al. 地震方向对15 MW单桩海上风力机动力学响应的影响研究[J]. 2025, 46(12): 617-625.
DOI：

马璐, 张险峰, 刘茜妮, et al. 地震方向对15 MW单桩海上风力机动力学响应的影响研究[J]. 2025, 46(12): 617-625. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1393.

摘要

为研究地震方向对15 MW海上风力机动力响应的影响

基于模态加速度法开发适用于地震-风-浪荷载联合作用下的海上风力机结构动力学仿真模型

并计算0°~360°风-地震耦合夹角下15 MW 海上风力机在风-浪-震耦合工况下的支撑结构载荷、塔顶位移和加速度

并与若干典型仿真工况的计算结果进行比较。结果表明：风-地震耦合角度对风力机塔顶加速度影响显著

对塔顶位移和塔基弯矩的影响一定程度上取决于外部激励的输入。由此说明地震方向对大型海上风力机不可忽视。

Abstract

To quantify the effect of earthquake directionality on the seismic behaviors of 15 MW monopile offshore wind turbines

a fully coupled simulation framework is developed based on the modal acceleration method. The dynamic responses of a 15 MW offshore wind turbine over the complete range of wind-earthquake misalignment angles （0°-360°） under wind-wave-earthquake environmental conditions are calculated. Tower-base bending moment

tower-top displacement

and tower-top acceleration of the wind turbine under several typical simulation conditions are compared. The results indicate that the tower-top acceleration is highly sensitive to the wind-earthquake misalignment angle

whereas the sensitivities of tower-top displacement and tower-base bending moment are governed by the external excitations. These findings underscore the necessity of explicitly accounting for the wind-earthquake coupling effect in the design and assessment of large-scale offshore wind turbines.

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references

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