螺桨飞机座舱模型振动模态分析

Vibration Model Analysis of Propeller Aircraft Cabin

本文使用线性结构动力分析的有限元法,对某型螺桨飞机座舱模型振动模态作了全面分析,并绘制了前几阶振频下结构的振型图。这也是建立螺桨噪声向舱内传播模型的重要依据。

This paper analyses vibration Modal of Propeller Aircraft Cabin Model and Plot structural Vibration shape diagram using finite element method of dynamic analysis for linera strc-ture. This is also an important basis to establish transmission Mode of Propeller noise to cabin.