In this paper, the effect of blade root damping on the resonant amplitude of blade with simple dovetail root and the effect of root flexibility on the blade vibration are analysed by means of the FEM.

• 本文用有限单元法,对两种模型叶片,计算了叶根阻尼对叶片共振振幅的影响,以及叶根弹性和接触情况对叶片固有频率的影响。