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中文摘要：
利用简化的列车二维碰撞模型,建立列车碰撞运动微分方程,采用数值积分方法,以20节车厢连挂列车平面刚体模型为对象,对列车在各工况下受碰后的动力学行为进行研究,得到了整列车受碰后的最大车钩压力、最大接近线速度、角速度等动态性能参数。在此基础上,对车钩压力随运行时间的变化情况、各节车的最大车钩压力、最大接近线速度、角速度进行了分析和探讨,结果表明：利用该仿真分析方法研究列车受碰后的动力学行为是有效的。
英文摘要：
In this paper, based on a simplified train two-dimensional collision model, the differential equations were established.Furthermore, the equations were solved to investigate the dynamic behavior of the train after collision. The dynamic characteristics of the train under various conditions were obtained, including the maximum compression force of couple, the maximum closing translational velocity and the maximum closing angular velocity. Moreover, the sensitivity analysis was performed to discussthe influence of the factors on the dynamic performance. The results show that the simulation method can effectively analyze thedynamic behavior of the train after collision.
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