The numerical flutter analysis system was formed by the three-dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade.
将振动叶栅三维流动数值模拟与振动叶片结构动力学分析相结合，建立了叶片颤振数值分析系统。
Three dimensional field of a variable geometry linear turbine cascade is simulated by CFD software NUMECA.
使用CFD软件NUMECA对变几何平面叶栅三维流场进行了数值模拟。
The S1 stream surface and three-dimensional viscous and non-viscous calculation programs can be employed to verify and check cascade space flow passage performance.
S1流面和三维有粘、无粘计算程序用来考核叶栅空间通流性能。
A compressor end-modified cascade and its original cascade are compared experimentally to study the three-dimensional flow characteristics at the exit plane of the cascade.
文中通过压气机叶片“修型”叶栅和常规叶栅的对比实验，研究了“修型”叶栅栅后三维流动特征。
A compressor end-modified cascade and its original cascade are compared experimentally to study the three-dimensional flow characteristics at the exit plane of the cascade.
文中通过压气机叶片“修型”叶栅和常规叶栅的对比实验，研究了“修型”叶栅栅后三维流动特征。
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