A new sensitivity analysis method of frequency response function

被引：0
|
作者：
Hua, HX [1 ]
Shi, YM [1 ]
Qu, ZQ [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Shanghai 200030, Peoples R China
来源：
IMAC - PROCEEDINGS OF THE 17TH INTERNATIONAL MODAL ANALYSIS CONFERENCE, VOLS I AND II | 1999年 / 3727卷
关键词：
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The sensitivity analysis of frequency response function plays a very important role in structural optimization, dynamic finite element model updating and vibration control. The conventional computation of frequency response sensitivity requires the assembled matrix of frequency response function, which costs too much work. This paper proposed a new method, which based on the construction of a pseudo excitation force, then re-calculation of frequency response function using mode superposition method. The numerical calculation shows the high accuracy of this method.
引用
收藏
页码：1869 / 1872
页数：4
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