基于有限元法的汽车侧门强度的仿真优化  

Simulation Optimization of Automotive Side Door Strength Based on Finite Element Method

作　　者：刘钢 黄玉锋 Liu Gang;Huang Yu-feng(Hainan Vocational University of Science and Technology,Hainan Haikou 571126;Geely Automotive Research Institute(Ningbo)Co.,Zhejiang Ningbo 315336)

机构地区：[1]海南科技职业大学机电工程学院,海南海口571126 [2]吉利汽车研究院(宁波)有限公司工程开发中心,浙江宁波315336

出　　处：《内燃机与配件》2024年第24期14-16,共3页Internal Combustion Engine & Parts

摘　　要：本研究构建汽车侧门的有限元模型,并依据国家标准《轿车侧门强度》进行仿真分析。通过仿真计算挤压力曲线,评估侧门强度。结合仿真结果对侧门进行结构优化,优化措施包括改变防撞梁截面形状和增加材料厚度。结果表明,在初始、中间和最大挤压力阶段,侧门的挤压力分别提升98.5%、55.7%和39.2%,优化措施显著提高了侧门的强度和安全性,有助于在侧面碰撞中为乘员提供更好的保护。In this study,the finite element model of automobile side door is constructed and simulated according to the national standard"Side Door Strength of Sedan".The strength of the side door is evaluated by calculating the crush pressure curve through simulation.The structural optimization of the side door is carried out by combining the simulation results,and the optimization measures include changing the cross-section shape of the impact beam and increasing the material thickness.The results show that in the initial,intermediate and maximum crushing force stages,the crushing force of the side door is increased by 98.5%,55.7%and 39.2%,respectively,and the optimization measures significantly improve the strength and safety of the side door,which can help to provide better protection for the occupants in a side collision.

关 键 词：被动安全 有限元 侧门强度 防撞梁 结构优化 

分 类 号：U466[机械工程—车辆工程]