Using STAR-CCM+ Software in Aerodynamic Performance of Bogies under Crosswind Conditions


  • Yongrong Jin Hunan Railway Professional Technology College, Zhuzhou 41200, Hunan, China
  • Xiaoli Chen Hunan Railway Professional Technology College, Zhuzhou 41200, Hunan, China



crosswind, high-speed trains, bogie, aerodynamic force, aerodynamic moment


INTRODUCTION: STAR-CCM+ is a CFD software that uses continuum mechanics numerical techniques and is a tool for thermodynamic and fluid dynamics analysis. STAR-CCM+has expanded the functions of surface treatment, such as surface wrapper, surface remesh, and volume mesh generation.With the increase of train speed, the aerodynamic phenomena become more prominent, and the aerodynamic phenomena of high-speed trains in crosswind environment become more complicated.

OBJECTIVES: Bogie is an important part of high-speed train. It is of great significance to study the aerodynamic performance Three groups of trains operating in a strong wind environment are modeled, and the surface pressure distribution characteristics of the car body and bogie, as well as the aerodynamic and aerodynamic torque distribution characteristics of each car and bogie, are analyzed when the train operates at 350km/h under a Class 12 crosswind condition.

RESULTS: The results of the study show the variation rules of surface pressure, aerodynamic force and aerodynamic moment of the car body and bogie with wind speed.

CONCLUSION: The windward surface pressure of the vehicle body increases linearly with the increase of wind speed, and the surface pressure of the roof and leeward side decreases linearly with the increase of wind speed.


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How to Cite

Jin Y, Chen X. Using STAR-CCM+ Software in Aerodynamic Performance of Bogies under Crosswind Conditions. EAI Endorsed Trans Energy Web [Internet]. 2024 Jan. 18 [cited 2024 Jun. 18];11. Available from: