Comparative Study of Model Updating Methods Using Frequency Response Function Data

被引：0
|
作者：
Jiang, D. [1 ]
Zhang, M. [1 ]
Fei, Q. G. [1 ,2 ]
Han, X. L. [1 ,2 ]
机构：
[1] Southeast Univ, Sch Civil Engn, Dept Engn Mech, Nanjing, Jiangsu, Peoples R China
[2] Jiangsu Key Lab Engn Mech, Nanjing 210096, Jiangsu, Peoples R China
来源：
DYNAMICS FOR SUSTAINABLE ENGINEERING, VOL 2 | 2011年
关键词：
model updating; sensitivity analysis; error of system matrix; FINITE-ELEMENT MODEL;
D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Finite element model updating, a classical inverse problem, is an effective way to improve the accuracy of the initial finite element model with the measurement data. In this paper, a comparison of two approaches of model updating by using frequency response function data is presented. The first method is based on sensitivity analysis, which is regarded as one of the most successful approaches in model updating. The second one is based on the representation of modeling errors as linear combinations of the individual element matrices. The basic formulations of these two methods are introduced and the possible solution strategies are discussed. Numerical simulations are conducted to compare the two model updating methods on the model of a GARTEUR TRUSS.
引用
收藏
页码：592 / 601
页数：10
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