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.
论文采用滑移网格技术计算了离心风机气流通过叶片定子的情况并研究气流经过定子后流场的变化情况。
This thesis presents the results of computational simulations done in parallel with experimental simulations of the centrifugal fan flow field.
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