电动改装轿车车身结构拓扑优化分析

Topology Optimization Analysis for Modifying Body Structure of Electric Car

把拓扑优化设计理论引入某电动改装车的承载式车身设计,利用先进的有限元分析软件,在电动改装轿车车身结构拓扑优化分析中实现了多工况、多状态变量条件下的拓扑优化设计,确定了下车身的最佳结构方案,进而在此基础上建立了新的有限元模型,并进行了模态、刚度和强度分析,设计出最终的下车身改造结构。

Topology theory was used to the analysis for modifying body structure of an electric car. With the help of advanced FEM software, topology optimization method with multi-case and multi-state varia bles had been realized in the topology optimization analysis for modifying body structure of electric car, and the optimum structure scheme of underbody was determined. After setting up new FE model on the basis of topology analysis results, the modal, stiffnenss and strength analysis were carried out, and modifying structure for underbody was designed finally.