风力机分段叶片螺栓连接构型失效机理研究

doi:doi:10.19912/j.0254-0096.tynxb.2024-0865

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风力机分段叶片螺栓连接构型失效机理研究

更新时间：2025-10-22

- 风力机分段叶片螺栓连接构型失效机理研究
- Vol. 46, Issue 9, Pages: 152-161(2025)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-0865
  CLC： TK83
- Published Online：14 October 2025，
  
  Published：2025
- 稿件说明：
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[J]. 2025, 46(9): 152-161.
DOI：

[J]. 2025, 46(9): 152-161. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0865.

摘要

为得到分段叶片螺栓连接的失效机理

对多种复合材料失效模型并进行试验与仿真比较

得到最合适的失效理论

在此基础上建立螺栓连接结构模型并进行数值模拟。结果表明：相比于Hashin和Tsai-Wu失效准则

LaRC失效准则更加适用于分段叶片螺栓连接中出现的复合材料失效情况;在螺栓加载的过程中

复合材料会更易出现失效

但其并未导致整体结构失效

后续过程中出现的螺栓失效才是导致连接结构失效的主要原因。

Abstract

To obtain the failure mechanism of the segmented blade bolt connection

failure models of various composite materials are first established and compared through experiments and simulations to obtain the most suitable failure theory. Then

on this basis

the bolt connection structure model is established and numerical simulation is carried out. The results show that： Compared with the Hashin and Tsai-Wu failure criteria

the LaRC failure criterion is more applicable to characterizing composite materials failure in bolt connections of segmented blade bolt connections; During the process of bolt loading

the composite material is more prone to failure

but it does not lead to the failure of the overall structure. The bolt failure that occurs in the subsequent process is the main cause of the failure of the connection structure.

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Keywords

references

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