Structural damage identification using low frequency non-resonance harmonic excitation

被引：0
|
作者：
Swiercz, Andrzej [1 ]
Kofakowski, Przemyslaw [1 ]
Holnicki-Szulc, Jan [1 ]
机构：
[1] Inst Fundamental Technol Res, Smart Tech Ctr, Swietokrzyska 21, PL-00049 Warsaw, Poland
来源：
DAMAGE ASSESSMENT OF STRUCTURES VII | 2007年 / 347卷
关键词：
structural damage identification; frequency-based analysis; inverse problem; piezo devices;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The aim of this work is to present a damage identification method dedicated to beams. The core of the approach is the Virtual Distortion Method, which is a fast reanalysis method successfully applied to damage identification. Loss of stiffness and mass are modelled by virtual distortions and modifications of the parameters are calculated as a result of a sensitivity-based minimisation. In this paper we deal with a steady-state problem i.e. low frequency, non-resonance harmonic excitation induces a static-like structural response with virtual distortions (design variables) modelling parameter modifications.
引用
收藏
页码：427 / +
页数：2
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