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。

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In this paper a stiffness simulation calculation method of low speed flutter models of an aeroplane is studied.

本文探讨了飞机低速颤振模型刚度模拟计算的一种方法。

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At the same time, the substantiating test techniques have been described, especially the analog simulation test technique, sub-critical flutter test, closed-loop test, etc.

同时，还介绍了几种试验验证技术，主要是模拟仿真试验技术、亚临界颤振试验、闭环系统试验等。

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