基于拓扑优化的适配器支撑架轻量化设计

Lightweight Design of Adapter Support Frame Base on Topology Optimization

以某支撑架为研究对象,采用有限元分析结合拓扑优化的方法,在Workbench平台上对支撑架进行结构轻量化设计。首先,利用UG软件建立支撑架初始结构的力学模型并基于Workbench软件进行静力学分析;在此基础上,进行拓扑优化,优化目标是在满足支撑架刚度和强度的前提下,对其进行轻量化设计;根据优化后的结果结合经验设计方法,对原始支撑架进行了重构设计并进行有限元分析验证。结果表明:改进后的支撑架结构,质量减小了82.37%,实现了轻量化设计。

This paper focuses attention on support frame,structural lightweight design of support frame was performed based on FEA and topology optimization with Workbench system.First,the original solid model of the support frame was built by using UG,and static analysis analysis is carried by the platform of Workbench.On this foundation,the topology optimization was carried out,its optimization goal is to reduce the total weight of support frame with a constraint of meeting the requirements of the stiffness and strength performance of the support frame.Depending on the optimization results and the traditional empirical design method,the model of support frame was redesigned and verified by the finite element analysis.From the optimization results,the structure of the support frame by improving,the mass is reduced by 82.37%,the structural lightweight design is realized.