基于有限元法的接触网腕臂截面拓扑优化分析  

Finite Element Method-based Topology Optimization Analysis of OCS Cantilever Section

作　　者：李少鹏 LI Shaopeng

机构地区：[1]中国铁路设计集团有限公司电化电信院

出　　处：《电气化铁道》2022年第2期17-20,共4页Electric Railway

基　　金：中国铁路设计集团有限公司科研课题(2020YY240809)。

摘　　要：建立接触网腕臂结构数学模型,利用有限元法校核模型的静刚度、静强度;利用拓扑优化原理对结构断面进行优化计算,得出在基本不改变结构刚度的前提下结构断面的最优化形式,该优化形式可减轻腕臂结构重量。本文可为项目建设和运营维护成本缩减及自主研发接触网腕臂系统提供新的设计思路。By establishing of mathematic model of OCS cantilever structure, by using of finite element method to verify the static stiffness and static strength of the model, and through optimized calculation of structure section by applying of topological optimization principle, the most optimized form of structure section under a premise that the structure stiffness is basically unchanged, the optimized form is able to reduce the weight of the cantilever structure.The paper is able to provide new design ideas for reducing the cost of the project construction, operation and maintenance and independent research and development of OCS cantilever system.

关 键 词：有限元法 渐进结构优化法 单元生死 腕臂结构 拓扑优化 

分 类 号：U225.4[交通运输工程—道路与铁道工程]