| Summary: | We have developed a dynamic model for a coupled railway vehicle to evaluate the ride comfort of high speed train on curve section in the tunnel. This model was generated by using the mathematical software. First, the calculation code of the one vehicle model was transformed to a module. Secondly, the transformed modules were connected to expand a coupled train model in mathematical software, considering the inter-car suspension force and the aerodynamic force. High speed train model of five cars was composed. The numerical simulation on curve section with aerodynamics force was carried out to validate the coupled simulation model. It was shown that a developed model can be used for the evaluation of the lateral ride comfort in the tunnel with curve section
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