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.
分析了车架承受载荷情况，阐述了影响客车车架使用寿命的几种因素，并强调了研究这些影响因素的重要性。
This paper analyses the loads acted on vehicle frame, describes some factors affecting the endurance of bus frames, and the necessity to investigate all these factors is emphasized.
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