模型中，桁架柱采用三维梁单元模拟，其等效弯曲刚度利用弯曲试验直接获得。
The Web steel truss beam is simulated with three-dimensional beam element, and the equivalent bending rigidity of the beam could be obtained by bending test.
模型中，矿车被等效为两自由度弹簧-质量-阻尼系统，铁轨被等效为铺设在连续弹性道床上的伯努利·欧拉梁，矿车与铁轨的振动相互耦合。
In this model, the tramcar was regarded as two degrees of freedom spring-mass-damper system, and the track was regarded as Bernoulli-Euler beam that locates on continuous and elastic ballast.
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