基于拓扑优化的风电机组前机舱底座轻量化设计

doi:doi:10.19912/j.0254-0096.tynxb.2024-0626

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基于拓扑优化的风电机组前机舱底座轻量化设计

更新时间：2025-10-22

- 基于拓扑优化的风电机组前机舱底座轻量化设计
- Vol. 46, Issue 9, Pages: 11-16(2025)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-0626
  CLC： TH12
- Published Online：14 October 2025，
  
  Published：2025
- 稿件说明：
移动端阅览
[J]. 2025, 46(9): 11-16.
DOI：

[J]. 2025, 46(9): 11-16. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0626.

摘要

为实现风电机组前机舱底座的轻量化设计

提出基于拓扑优化、形状优化驱动的结构设计流程。在拓扑优化中

分别对比多工况柔顺度加权、柔顺度最大值最小化和单一弯矩作用下的拓扑优化结果异同

并指出各类拓扑优化模型的优缺点和适用范围。依据拓扑优化结果

重构几何模型

对局部强度不足位置通过形状优化、加强结构进行优化设计。最终的优化结构可优化空间（去掉底座、轴承座）减重8.85%且完全满足强度设计要求。该结果验证了拓扑优化方法在机舱底座概念设计的可行性。

Abstract

To achieve the lightweight design of the front nacelle base for wind turbines

a structural design process driven by topology optimization and shape optimization is proposed. Within the scope of topology optimization

a comparative analysis was conducted to assess the differences and similarities in the results obtained under various conditions

including compliance-weighted optimization for multiple load cases

minimization of the maximum compliance

and topology optimization under the influence of a single bending moment. This examination aimed to elucidate the strengths and weaknesses of each type of topology optimization model

and to identify their respective applicability ranges. Inspired by topology optimization

the geometric model is reconstructed

and shape optimization is employed to address localized strength deficiencies

reinforcing the structure through optimized design. The ultimate optimized structure achieves an 8.85% weight reduction by optimizing the available space （eliminating the base plate and bearing seat）

while fully meeting the strength design requirements. These results validate the feasibility of the proposed topology optimization method in the conceptual design of the front nacelle base.

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references

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