Statistics of response of a mistuned bladed disk assembly subjected to white noise and narrow band excitation

被引：11
|
作者：
Cha, D [1 ]
Sinha, A [1 ]
机构：
[1] Penn State Univ, Dept Mech Engn, University Pk, PA 16802 USA
来源：
JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 1999年 / 121卷 / 04期
关键词：
D O I：
10.1115/1.2818531
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper deals with the statistics of the response of a mistuned bladed disk assembly subjected to random excitation. Analytical techniques are developed to compute this statistics for two types of random excitation: white noise and narrow band. The validity of the analytical methods has been established by comparison with the results from numerical simulations. The sensitivities of the response to mistuning have been examined as a function of the width of the frequency band of the random excitation the dominant frequency of the random excitation and the structural coupling between adjacent blades.
引用
收藏
页码：710 / 717
页数：8
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