为了改进小型客车正碰撞性能，建立了小型客车车架前纵梁碰撞的有限元模型。
In order to improve a mini-bus crashworthiness, firstly, a finite element method model was built.
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.
在汽车碰撞过程中，汽车前纵梁是主要的吸能装置。
The front longitudinal beam is the main energy absorber during crash of the vehicle.
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