列车错车时的空气流场分析

The Fluid Field Analysis of Train Encountering

目的 分析由于列车提速引起的列车错车时玻璃破碎等问题 ,并寻求解决问题的途径 ,从而保障旅客运输的安全 .方法 建立列车错车时的流体动力学模型 ,利用有限元软件 -ANSYS,对列车错车时的流场进行数值分析 .结果 根据流场分析 ,得到了车厢外侧的空气压力分布 .结论 通过与实验结果的对比 ,证明了有限元分析的正确性 ;

Aim\ To analyze the problem of glasses being broken while train accelerating, and find out the way solved the problem to assuring the security of passengers. Methods\ To establish the fluid dynamics model of train encountering, and analyze the fluid field of train encounter using the finite element software ANSYS. Results\ According to the result, the distribution of air pressure outside of the carriage is got. Conclusion\ Comparing with the result of experiment, the finite element numerical analysis is proved to be correct; the result of finite element analysis provides a dependable basis for solving the glasses broken problem.