华东交通大学学报2024，Vol.41Issue(3)：90-100,11.
考虑材料硬度与缩径量的橡胶衬套各向刚度优化设计
Optimal Design of Isotropic Stiffness for Rubber Bushing by Considering Material Hardness and Diameter Reduction for Conveyance
摘要
Abstract
[Objective]As an important connecting part of new energy vehicles,special vehicles,locomotives and other means of transportation,rubber bushing plays a crucial role in the stability of the whole vehicle han-dling.In order to avoid the tedious work of repeated debugging in engineering practice,[Method]an optimal de-sign method of rubber bushing all-directional stiffness(radial,axial,yaw and torsional stiffness)taking into ac-count the material hardness and diameter reduction is proposed.Firstly,the Ogden model is used as the constitu-tive model of rubber bushing.Second,by combining experimental design with finite element analysis,the isotro-pic stiffness of rubber bushing with different inner core outer diameter,rubber height,diameter reduction and ma-terial hardness is calculated.The second-order response surface model of isotropic stiffness is established and the accuracy of the model is verified by Latin hypercube sampling and variance analysis.Finally,a multi-objective optimization method of isotropic stiffness of rubber bushing is proposed using genetic algorithm to testify the op-timization result.[Result]The result shows that the relative errors between the measured radial,axial,yaw and torsional stiffness and objective stiffness are 7.72%,9.06%,-6.33%and 9.16%respectively,which are all within±10%and meet the requirements of engineering application.[Conclusion]The validity of the established sec-ond-order response surface model of isotropic stiffness and the feasibility of the proposed optimization design method are verified to provide guidance for the product design of rubber bushing,which can greatly shorten the research and development cycle of rubber bushing.关键词
橡胶衬套/响应面方法/遗传算法/多目标优化Key words
rubber bushing/response surface method/genetic algorithm/multi-objective optimization分类
交通工程引用本文复制引用
秦武,李春归,潘兵兵,李骏,刘霏霏..考虑材料硬度与缩径量的橡胶衬套各向刚度优化设计[J].华东交通大学学报,2024,41(3):90-100,11.基金项目
国家自然科学基金(51806066) （51806066）
博士后科学基金项目(2022M711352) （2022M711352）
江西省自然科学基金资助项目(20232BAB214047) （20232BAB214047）
江西省教育厅科技项目(GJJ210630) （GJJ210630）
