Damping identification in multi-degree-of freedom system via a wavelet-logarithmic decrement - Part 2: Study of a civil engineering building

被引:34
作者
Hans, S [1 ]
Ibraim, E [1 ]
Pernot, S [1 ]
Boutin, C [1 ]
Lamarque, CH [1 ]
机构
[1] Ecole Natl Travaux Publ Etat, DGCB, LGM, CNRS,URA 1652, F-69518 Vaulx En Velin, France
关键词
D O I
10.1006/jsvi.1999.2927
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
In a previous paper entitled "Damping identification in multi-degree-of-freedom (m.d.o.f) systems via wavelet-logarithmic decrement-Part I. theory", a wavelet-logarithmic decrement formula was established to estimate damping in multi-degree-of-freedom systems from time-domain responses. Numerical validation was then investigated using the dynamic response of exact single-degree-of-freedom systems that were artificially perturbed with a Gaussian noise. Part 2 Is now dedicated to the application of the wavelet procedure to identify the damping of in situ dynamic responses of a civil engineering building excited with both harmonic and shock testings. (C) 2000 Academic Press.
引用
收藏
页码:375 / 403
页数:29
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