Direct identification of modal parameters using the continuous wavelet transform, case of forced vibration

被引：1
|
作者：
Bedaoui, Safia [1 ,2 ,3 ]
Afra, Hamid [4 ]
Argoul, Pierre [1 ]
机构：
[1] Univ Paris Est, Ecole Ponts Paris Tech, Lab Navier ENPC IFSTTAR CNRS, F-77455 Champs Sur Marne 2, Marne La Vallee, France
[2] Houari Boumedienne Sci & Technol Univ USTHB, Fac Civil Engn, Bab Ezzouar, Alger, Algeria
[3] Mhamed Bougara Univ, UMBB, Dept Civil Engn, Fac Engn Sci, Boumerdes, Algeria
[4] Natl Ctr Studies & Bldg Res CNERIB, Souidania, Alger, Algeria
来源：
EARTHQUAKES AND STRUCTURES | 2014年 / 6卷 / 04期
关键词：
modal identification; dynamics of structures; forced vibration; continuous wavelet transform; SYSTEMS;
D O I：
10.12989/eas.2014.6.4.393
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, a direct identification of modal parameters using the continuous wavelet transform is proposed. The purpose of this method is to transform the differential equations of motion into a system of algebraic linear equations whose unknown coefficients are modal parameters. The efficiency of the present method is confirmed by numerical data, without and with noise contamination, simulated from a discrete forced system with four degrees-of-freedom (4DOF) proportionally damped.
引用
收藏
页码：393 / 408
页数：16
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