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Co-simulation on fluid-structure interaction of high-speed train based on Fluent and Simpack |
Received:July 20, 2011 Revised:November 30, 2011 |
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DOI:10.7511/jslx20125006 |
KeyWord:fluid-structure interaction high-speed train crosswind aerodynamics |
Author | Institution |
李田 |
西南交通大学 牵引动力国家重点实验室, 成都 |
张继业 |
西南交通大学 牵引动力国家重点实验室, 成都 |
李忠继 |
西南交通大学 牵引动力国家重点实验室, 成都 |
张卫华 |
西南交通大学 牵引动力国家重点实验室, 成都 |
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Abstract: |
A co-simulation method of a high-speed train fluid-structure interaction is presented based on the vehicle system dynamics and high-speed train aerodynamics.The high-speed train aerodynamics and dynamics were calculated by Fluent and Simpack respectively,the co-simulation was achieved by passing the aerodynamic parameters and attitude parameters in time.With this method,the fluid-structure dynamics of a high-speed train are simulated under the case that the velocity of crosswind is 10.7 m/s and the running speed of train is 350 km/h.The aerodynamics,attitude,safety and comfortable indexes of train are compared under the off-line simulation and the co-simulation.Considering the fluid-structure interaction,results show that there has significant influence on the head aerodynamics and attitude.Besides,the safety indexes of head are worse. |
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