A Numerical Model for Railroad Freight Car-to-Car End Impact

作者：Chen Chao^*; Han Mei; Han Yanhui

来源：Discrete Dynamics in Nature and Society, 2012, 2012: 927592.

DOI：10.1155/2012/927592

A numerical model based on Lagrange-D'Alembert principle is proposed for car-to-car end impact in this paper. In the numerical model, the friction forces are treated by using local linearization model when solving the differential equations. A computer program has been developed for the numerical model based on Runge-Kutta fourth-order method. The results are compared with the Multibody Dynamics/Kinematics software SIMPACK results and they are close. The ladings' relative displacement to struck car and the relative displacement between two ladings get larger as impact speed increases. There is no displacement between two ladings when the contact surfaces have the same friction coefficient.

• 出版日期2012
• 单位北京交通大学