Damping identification in multi-degree-of-freedom systems via a wavelet-logarithmic decrement - Part 1: Theory

被引：73
|
作者：
Lamarque, CH [1 ]
Pernot, S [1 ]
Cuer, A [1 ]
机构：
[1] Ecole Natl Travaux Publ Etat, DGCB, LGM, CNRS,URA 1652, F-69518 Vaulx En Velin, France
来源：
JOURNAL OF SOUND AND VIBRATION | 2000年 / 235卷 / 03期
关键词：
D O I：
10.1006/jsvi.1999.2928
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A wavelet-based formula similar to the logarithmic decrement formula is introduced to estimate damping in multi-degree-of-freedom systems from time-domain responses. Both analytical and numerical approaches are investigated. (C) 2000 Academic Press.
引用
收藏
页码：361 / 374
页数：14
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