Car-track-bridge-foundation coupling system and dynamic analysis method thereof
A coupling system and vehicle system technology, applied in the field of railway engineering application calculation and design, can solve problems such as difficult multi-rigid body dynamics modeling, inability to simulate wheel-rail contact relationship, inability to overcome memory and calculation efficiency, etc.
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[0071] The present invention will be further described below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0072] figure 1 It is a schematic structural diagram of the vehicle-track-bridge-foundation coupling system of the embodiment of the present invention, such as figure 1 As shown, the vehicle-track-bridge-foundation coupling system includes the vehicle structure model, the track structure model, the bridge structure model, the foundation model, the wheel-rail dynamic contact model between the wheel and the track rail, and the line between the track and the bridge The bridge dynamic interaction model and the soil-structure dynamic interaction model between the bridge and the foundation. The TRBF-DYNA control module controls the pre-processing module, solving module and post-processing module. The pre-processing module is composed of MATLAB vehicle structure module and MATLAB track irregularity The sample curve module is impleme...
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