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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2013, Vol. 14 Issue (7): 482-493    DOI: 10.1631/jzus.A1300035
Mechanics and Mechanical Engineering     
A numerical approach to the interaction between airflow and a high-speed train subjected to crosswind
Tian Li, Ji-ye Zhang, Wei-hua Zhang
State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China
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Abstract  Aerodynamic forces and dynamic performances of railway vehicles are coupled and affected by each other. On the one hand, aerodynamic forces change the displacements of a train. On the other hand, displacements affect aerodynamic forces. Based on vehicle-track coupling dynamics and aerodynamics, a numerical approach to the interaction between airflow and a high-speed train is presented in this paper. Aerodynamic forces and dynamic performances of a high-speed train subjected to crosswind were numerically simulated. Results showed that the interaction between airflow and a high-speed train has a significant influence on displacements and aerodynamic forces of the head coach. Therefore, it is necessary to consider the interaction between airflow and a high-speed train subjected to crosswind.

Key words： High-speed train      Crosswind      Aerodynamics      Co-simulation      Interaction     
Received: 22 January 2013      Published: 01 July 2013
CLC:  U271.91  
  O355  
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Tian Li
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Tian Li, Ji-ye Zhang, Wei-hua Zhang. A numerical approach to the interaction between airflow and a high-speed train subjected to crosswind. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2013, 14(7): 482-493.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1300035     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2013/V14/I7/482

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