讨论了列车交会空气压力波数值计算方法、动模型及在线实车试验技术，论述了非对称滑移网格技术。
The asymmetrical slippage grid technique, the numerical computation, the moving model test, and the full-scale train test for air pressure pulse from trains passing each other are introduced.
列车交会压力波是影响列车运行安全性和乘客舒适性的重要因素之一，因此需对压力波特性展开研究。
The pressure wave caused by two trains' meeting shows great effect on train's running safety and passengers' comfort, so it is necessary to study the pressure wave characteristics.
减小列车空气阻力和降低列车交会压力波，既矛盾又统一，列车气动头部外形设计需要综合考虑各种因素。
The aerodynamic shape design of train head should consider all kinds of factors because the relation between reducing aerodynamic drag and air pressure pulse may be conflictive and uniform.
阐述胶济线CRH2型动车组列车交会空气压力波实车测试情况，对测试结果进行详细分析，并将实车试验结果与数值模拟计算结果进行比较。
The real train test on air pressure pulses generated in passing of CRH2 EMU trains on the Qingdao-Jinan Railway Line has been made, and the results have been analyzed in details.
与航空飞行器相比，高速铁路由于还要面临地面气流的扰动，两车交会时气体的震荡，以及车体通过隧道时的气流变化，因此高速列车的头型设计比飞机更具挑战性。
Compared with the spacecraft instrumentation, the ground air disturbance, the unsteady aerodynamic flow on crossing event and inside tunnel impose more challenges on the head design of HSR trains.
与航空飞行器相比，高速铁路由于还要面临地面气流的扰动，两车交会时气体的震荡，以及车体通过隧道时的气流变化，因此高速列车的头型设计比飞机更具挑战性。
Compared with the spacecraft instrumentation, the ground air disturbance, the unsteady aerodynamic flow on crossing event and inside tunnel impose more challenges on the head design of HSR trains.
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