基于拓扑优化的汽车发动机支架轻量化设计  

Lightweight Design of Automotive Engine Bracket Based on Topology Optimization

作　　者：单科臻 王可栋 刘超[1] 胡雪芳[1] 莫彦彬 SHAN Kezhen;WANG Kedong;LIU Chao;HU Xuefang;MO Yanbin(School of Intelligent Manufacturing,Qingdao Huanghai University,Qingdao 266427,China;School of Mechanical&Automotive Engineering,Qingdao University of Technology,Qingdao 266520,China)

机构地区：[1]青岛黄海学院智能制造学院,山东青岛266427 [2]青岛理工大学机械与汽车工程学院,山东青岛266520

出　　处：《汽车实用技术》2023年第23期68-73,共6页Automobile Applied Technology

基　　金：青岛黄海学院科技计划项目(2022KJ09)。

摘　　要：为探究一种基于拓扑优化的汽车发动机支架轻量化设计的新方向,文章创建了汽车发动机支架的三维模型,分析了零件在实际使用工况下的力学响应并得到了零件的材料冗余区域。以材料冗余区域为设计域,对汽车发动机支架进行了拓扑优化分析,得到零件在实际使用工况下的最佳力学传递路径,并完成了轻量化优化模型的重构。通过建立优化模型在实际使用工况下的有限元分析,验证了优化方案的有效性,为汽车零部件轻量化设计提供了参考。To explore a new direction for lightweight design of automotive engine mounts based on topology optimization,3D modeling is used to create a 3D model of the automotive engine mount.The material redundancy area of the part is obtained by analyzing the mechanical response of the part under actual usage conditions.Taking the material redundancy area as the design domain,a topology optimization analysis is conducted on the automotive engine bracket.The result shows that optimal mechanical transmission path for the part under actual usage conditions,thereby completing the reconstruction of the lightweight optimization model.By establishing an optimization model and conducting finite element analysis under actual operating conditions,the effectiveness of the optimization scheme is verified,and a lightweight design reference for automotive components is provided.

关 键 词：汽车发动机支架 拓扑优化 轻量化设计 有限元仿真 

分 类 号：U463.1[机械工程—车辆工程]