Crash simulation is an important means for vehicle body design and structure optimization. It will reduce collision test times and development cycle greatly.
碰撞仿真分析是车身设计和结构部件优化的重要手段,可以大大减少实车碰撞次数、缩短新车开发周期。
参考来源 - 冲压成型对前纵梁部件碰撞吸能特性的影响研究According to the bumper-crashing regulation,4km/h low-velocity impact simulation of a truck bumper is performed,with an explicit dynamic FEM analysis software LS-DYNA.
根据保险杠低速碰撞的法规要求,应用显式动力有限元分析软件LS-DYNA,对某型货车的保险杠总成进行了低速碰撞仿真研究。
参考来源 - 货车保险杠低速碰撞性能仿真·2,447,543篇论文数据，部分数据来源于NoteExpress
基于上述分析，考虑关键吸能结构件的成形历史是提高整车碰撞仿真精度的必要条件。
Based on above analysis, considering the forming history of key energy-absorbing structural parts is a necessary condition to improve the crash simulation accuracy.
然后以应用实体单元焊点模型的算例作为基础模型，研究了材料应变率效应对前纵梁碰撞仿真结果的影响。
The two types of spot weld models using solid element and beam element were applied in the FE modeling of a frontal longitudinal beam in sled crash test.
从冲压成型结果向碰撞仿真模型映射数据的误差依赖于碰撞模型网格尺寸，尺寸越大映射过程产生的误差也越大。
The error of data mapping from forming simulation results to crashworthiness simulation model depends on mesh size. The bigger the mesh size is, the bigger the error.
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