基于ABAQUS的汽车吸能盒碰撞研究

Collision research of automobile energy absorption box based on ABAQUS

针对汽车吸能盒在正面碰撞时的耐撞性与吸能性差的问题,参照实际交通事故和国家标准,采用非线性有限元模拟方法,对所设计的吸能性在轴向载荷作用下的冲击进行了数值模拟试验,并在碰撞理论分析的基础上讨论了其耐撞性和吸能特性。经对比研究发现圆柱形吸能盒是具有优秀吸能特性的吸能盒几何形状,以此为基础研究诱导槽设置对吸能盒吸能特性的影响。

This article addresses the problem of poor crashworthiness and energy absorption of cars'energy absorbing box during a frontal collision.With reference to the actual traffic accidents and national standards,the non-linear finite element simulation is used to carry out a numerical simulation test of the impact shock of the designed energy absorption box under axial load,and the collision resistance and energy absorption characteristics are discussed based on the collision theory analysis.The comparative study found that the cylindrical energy-absorbing box has an excellent energy-absorbing box geometry.Based on this,the influence of the induction slot setting on the energy-absorbing box's energy-absorbing characteristics was studied.