基于Hypermesh车架轻量化分析

Lightweight Analysis Based on the Hypermesh Frame

摘要: 以FSAE车架作为研究对象，运用hypermesh中的optimizationsize进行尺寸优化，以车架体积最小值为目标函数，以车架在满载弯曲工况、紧急制动工况、高速过弯工况下的应力作为约束条件，来优化车架钢管的壁厚。本文通过优化后的数据结果，对受力较小的钢管替换成壁厚更小的钢管，最终在保证车架性能的前提下，降低了车辆4.4%的质量。

Abstract: Taking the FSAE frame as the research object, using the optimization size in hypermesh for di-mension optimization, with the minimum value of the frame volume as the target function, and the frame stress under the full load bending condition, emergency braking condition, to optimize the wall thickness of the frame steel pipe. Through the optimized data results, the less stressed steel pipes are replaced with a smaller wall thickness, which finally reduces the quality of the vehicle by 4.4% on the premise of ensuring the performance of the frame.