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Dynamic analysis of a high-speed train operating on a curved track with failed fasteners

Li ZHOU 0 Zhi-yun SHEN 0 0 (State Key Laboratory of Traction Power, Southwest Jiaotong University , Chengdu 610031, China) 1 Project supported by the National Natural Science Foundation of China (No

Study on the safety of operating high-speed railway vehicles subjected to crosswinds

A coupled vehicle-track dynamic model is put forward for use in investigating the safety effects of crosswinds on the operation of a high-speed railway vehicle. In this model, the vehicle is modeled as a nonlinear multi-body system, and the ballasted track is modeled as a three-layer discrete elastic support system. The steady aerodynamic forces caused by crosswinds are modeled...

A 3D model for coupling dynamics analysis of high-speed train/track system

A 3D dynamic model of a high-speed train coupled with a flexible ballast track is developed and is presented in this study. In this model, each vehicle is modeled as a 42 degrees of freedom multi-body system, which takes into consideration the nonlinear dynamic characteristics of the suspensions. A detailed inter-vehicle connection model including nonlinear couplers and inter...