The wheel-rail force produced by the running of certain metro vehicle is calculated by wheel-rail coupling model.
利用轮轨耦合模型，计算某城市地铁列车运行时产生的轮轨力。
By running the program based on vehicle-rail coupling dynamics, compute the dynamic response of elastic sleeper ballasted rail and common sleeper ballasted rail under same working condition.
利用车辆-轨道耦合动力学理论所编制的程序，计算弹性轨枕有碴轨道与普通轨枕有碴轨道在相同工况下的动力响应。
Based on random rail roughness and vehicle-bridge coupling element, a method is proposed for calculating random vibration of long span Bridges under moving vehicles in this paper.
基于随机轨道粗糙度和车桥偶合单元，提出了大跨桥梁移动车辆荷载作用下随机振动的计算模式。
The coupling between bridge and track adopts by beam unit, modulus of electricity of and yielding stress according to the broken line of the non-liner rail longitudinal resistance of displacement.
桥梁和轨道的联结采用非线性梁单元模拟，其材料弹性模量和屈服应力通过轨道纵向位移阻力与梁轨相对位移关系的双折线化确定；
In this thesis, we aim at establishing detailed relation of wheel-track and of bridge-track, on the basis of which, we have coded programs about the train-rail-bridge coupling system.
可见，有必要详细分析轮轨关系和桥轨关系，在此基础上，编制了车-线-桥耦合系统计算程序。
In this thesis, we aim at establishing detailed relation of wheel-track and of bridge-track, on the basis of which, we have coded programs about the train-rail-bridge coupling system.
可见，有必要详细分析轮轨关系和桥轨关系，在此基础上，编制了车-线-桥耦合系统计算程序。
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