A NEW METHOD FOR NUMERICAL SIMULATION OF TWO TRAINS PASSING BY EACH OTHER AT THE SAME SPEED

被引：17
|
作者：
Zhao Xiao-li [2 ]
Sun Zhen-xu [1 ]
机构：
[1] Peking Univ, Coll Engn, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China
[2] Tsinghua Univ, Sch Aerosp, Beijing 100084, Peoples R China
来源：
JOURNAL OF HYDRODYNAMICS | 2010年 / 22卷 / 05期
关键词：
trains passing by each other; rotational symmetry dynamic mesh; pressure wave; TUNNEL; FLOW;
D O I：
10.1016/S1001-6058(09)60105-0
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A new method is proposed to numerically simulate problems of trains passing by each other at the same speed, and is implemented in UDF language of commercial software Fluent Because only a half of the computational domain is required and the dynamic mesh technique is avoided, the computational efficiency is greatly improved A two-dimensional test case is used for validation which shows that the flow field and the pressure wave during the train-passing events can be correctly calculated by this new method This method can be easily extended to three-dimensional simulations, to deal with practical problems
引用
收藏
页码：697 / 702
页数：6
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