Theoretical and experimental identification of a non-linear beam

被引：50
|
作者：
Kerschen, G
Golinval, JC
Worden, K
机构：
[1] Univ Liege, LTAS, B-4000 Liege, Belgium
[2] Univ Sheffield, Dept Mech Engn, Dynam Res Grp, Sheffield S1 3JD, S Yorkshire, England
来源：
JOURNAL OF SOUND AND VIBRATION | 2001年 / 244卷 / 04期
关键词：
D O I：
10.1006/jsvi.2000.3490
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The identification of the dynamic characteristics of linear systems is now widely used and interest in non-linear systems has increased. The objective of this paper is to demonstrate the performance of the restoring force surface method as far as the identification of non-linear systems is concerned. The vibrations of a clamped beam are investigated for two different kinds of non-linearity. Firstly, the beam shows a non-linear behaviour characterized by a piecewise linear stiffness and secondly, the non-linearity comes from a bilinear stiffness. Both numerical and experimental results are presented. (C) 2001 Academic Press.
引用
收藏
页码：597 / 613
页数：17
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