针对制动情况下高速重载列车的纵向动力学问题，建立了纵向动力学模型，介绍了求解该模型的方法。
In view of the longitudinal dynamic problems of high-speed and big load trains in braking, the longitudinal dynamic model is set up and the solution method for the model is described.
本文所建模型不仅可用于汽车纵向动力学分析，同时对采用该新型差速器越野车的设计开发有一定的指导意义。
The model built in this paper not only can be used in the analysis of vehicle longitudinal dynamics, but also is helpful to the development of this kind of new type differential.
利用SIMPACK建立某出口2b0机车动力学模型，分析了转臂轴箱定位节点的纵向位置对机车动力学性能的影响。
The dynamic model of a 2b0 locomotive for export is built with software SIMPACK to analyze the influence of longitudinal position of the locating node for tumbler axle-box on locomotive dynamics.
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