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.
物料经转子加速后以一定的绝对速度大小和方向冲击在打击板上，物料与打击板处于正碰撞状态，使物料得以有效破碎。
The materials are accelerated by the rotor into a certain absolute speed and direction, and impact on the striking board in a positive bumpiness status with the materials crushed effectively.
采用该模型模拟了脑部正碰的过程，得到了碰撞过程的速度、能量、应变和应力曲线。
With it we simulate a brain front crash process, and get the curves which describe the process's speed, energy, strain and stress.
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