New method to resolve vibratory response of blades with friction damping

被引：0
|
作者：
Hao, Yan-Ping [1 ]
Zhu, Zi-Gen [1 ]
机构：
[1] Dept. of Propulsion, Beijing Univ. of Aero. and Astron., Beijing 100083, China
来源：
Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica | 2001年 / 22卷 / 05期
关键词：
Damping - Dynamic response - Finite element method - Friction - Vibrations (mechanical);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Turbine blades are often designed to include friction damping, such as shroud and platform damper, to alleviate vibration. A dynamic compliance method is introduced to resolve the response of complex structures, such as turbine blade, with dry friction damper. Based on the harmonic balance method, high order harmonic is included. Finite element method is used to obtain the compliance matrix. Formulae and flow chart are given. A model blade with the friction damper is calculated and laboratory test is also conducted to estimate its validity. The accuracy and efficiency of this method in solving the response of structures with friction dampers are verified.
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收藏
页码：411 / 414
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