基于一体化耦合技术的海上风电基础疲劳分析

张孝卫; 陈邦敏; 郭文俊; 乐丛欢; 张浦阳

doi:doi:10.19912/j.0254-0096.tynxb.2024-1627

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基于一体化耦合技术的海上风电基础疲劳分析

更新时间：2026-02-06

- 基于一体化耦合技术的海上风电基础疲劳分析
- Vol. 47, Issue 1, Pages: 613-620(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1627
  CLC： TM614
- Online First：05 February 2026，
  
  Published：05 February 2026
- 稿件说明：
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张孝卫, 陈邦敏, 郭文俊, et al. 基于一体化耦合技术的海上风电基础疲劳分析[J]. 2026, 47(1): 613-620.
DOI：

张孝卫, 陈邦敏, 郭文俊, et al. 基于一体化耦合技术的海上风电基础疲劳分析[J]. 2026, 47(1): 613-620. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1627.

摘要

为探究一体化耦合设计下海上风电基础的疲劳分析方法

基于Sesam软件建立“风机-塔筒-基础”整体耦合模型

构建一套海上风电基础一体化设计流程。在此基础上开展环境参数敏感性分析

对比风浪疲劳损伤的线性叠加与联合作用效应

并评估一体化设计与传统迭代设计在基础受力特性及钢材用量上的差异。结果表明：在风速、水深、波高、风浪夹角4项关键环境参数中

单桩基础的疲劳响应对风速变化最为敏感;联合作用的损伤较线性叠加结果平均高出26.50%;相较于传统迭代设计

一体化设计可通过适当增加塔筒钢材用量

显著降低基础用钢量

实现“塔筒+基础”总用钢量的优化

本案例分析中总用钢量减少10.11%。

Abstract

To investigate fatigue analysis methods for offshore wind turbine foundations under integrated coupling design

a fully coupled "wind turbine-tower-foundation" model is established using Sesam software

and an integrated design workflow for offshore wind turbines foundation is developed. Based on this model

sensitivity analyses of environmental parameters are conducted

the linear superposition and combined action effects of wind- and wave-induced fatigue damage are compared

and the differences between integrated design and conventional iterative design are evaluated in terms of foundation loading characteristics and steel consumption. Results show that among the four key environmental parameters （wind speed

water depth

wave height

and wind-wave angle）

the fatigue response of the monopile foundation is most sensitive to wind speed variations. The fatigue damage under combined loading is on average 26.50% higher than that obtained from linear superposition. Compared with conventional iterative design

integrated design can significantly reduce foundation steel usage by appropriately increasing the steel consumption of the tower

thereby optimizing the total steel consumption of the "tower+foundation". In this case study

the total steel consumption is reduced by 10.11%.

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references

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