摘要
在ANSYS软件中建立节能赛车车架的参数化有限元模型,进行弯曲工况的分析,得到车架的最大变形量,并以最大变形量为目标函数对车架进行刚度灵敏度分析,找出灵敏度系数高的设计参数作为优化设计分析的设计变量。在保证刚度和强度的条件下以车架体积作为目标变量进行优化设计分析,通过优化设计分析的结果,选择最合适的铝合金管材截面尺寸,从而实现车架轻量化的目标。
The parametric finite element model of the energy-efficient racing car frame is established in ANSYS software.The bending condition analysis is used to obtain the maximum deflection of the car frame and then stiffness sensitivity analysis of the car frame is made with the maximum deflection as the objective function to find the design parameters of high sensitivity coefficient as the variables of optimization design analysis.Finally,with the car frame volume as the target variable,its optimization design analysis is carried out usder the certain stiffness and strength.According to this result,the most suitable cross section size of the aluminum alloy tubing is chosen to realize the design of the eightweight car frame.
出处
《机械制造与自动化》
2014年第1期134-137,共4页
Machine Building & Automation
基金
山西省研究生教育改革重点课题(20122034)
关键词
节能赛车车架
有限元法
灵敏度分析
轻量化
energy-efficient racing car frame
finite element method
sensitivity analysis
lightweight frame design
