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

页码：361 / 374

页数：14

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