Effect of the first two wheelset bending modes on wheel-rail contact behavior
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...As vehicles capable of greater and greater speeds are built, the traditional multi-rigid-body dynamics modeling method cannot fully explain the problems during the operation; scholars considered replacing the corresponding flexible finite element model of bodywork, artifacts, round on the basis of the multibody dynamics model, established a series of rigid– flexible hybrid dynamic model and has carried on the theoretical analysis.(10,11) Luis used finite element software to establish a coupling dynamics model of flexible wheel/rail systems in which the axles were divided into finite elements....
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"Effect of the first two wheelset be..." refers methods in this paper
...The normal wheel-rail contact forces are calculated by the Hertzian nonlinear contact spring model, and the tangent contact forces and spin moments are calculated by means of the model by Shen et al. (1983)....
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