汽车保险杠碰撞的有限元仿真与优化  

The Simulation and Improvement of Vehicle Bumper Crash Function with Finite Element Method

作　　者：韦珑珅 杨荣松[1] 张勇[1] 

机构地区：[1]四川大学制造科学与工程学院,成都610065

出　　处：《现代制造技术与装备》2008年第3期24-26,30,共4页Modern Manufacturing Technology and Equipment

摘　　要：本文以有限元法的系统动力学理论为基础,基于LS-DYNA有限元分析软件,对汽车保险杠与刚性墙的正面碰撞进行了模拟仿真计算,并对计算结果进行分析。以计算结果为依据,对保险杠的结构进行改进,优化其吸能能力。本次研究为保险杠的防撞设计开发提供了理论依据,对深入研究整车正面碰撞的模拟仿真具有重要的参考价值。Based on the theory of system dynamics, using the finite element method, and finite element analysis software LS-DYNA, to simulate the collision between the vehicle bumper and the rigid wall with computer. By analyzing the calculation result and according to it, to improve the structure of the bumper in order to strengthen the energy absorbing ability of the structure. It proves the method, with nonlinear finite element analysis, can supply with important theory basis for the vehicle bumper design, and it is valuable for simulating the collision between the car and the rigid wall.

关 键 词：保险杠 碰撞 有限元 

分 类 号：U467.3[机械工程—车辆工程]