Unusual expression of tension of a massless cable with application to the oscillations of a mass suspended to a cable with a variable length

被引:8
|
作者
Babaz, Mathieu [1 ]
Jezequel, Louis [1 ]
Lamarque, Claude-Henri [1 ]
Perrard, Patrick [1 ]
机构
[1] Ecole Cent Lyon, Lab Tribol & Dynam Syst, F-69134 Ecully, France
关键词
ASYMPTOTIC APPROXIMATIONS; FREE-VIBRATIONS; EQUATIONS; DYNAMICS;
D O I
10.1016/j.jsv.2015.10.020
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
A new approach of cables' dynamics is presented in this paper. It is based on the exact expression of tension coming from continuum mechanics, while the previous elastic models of cables in open literature consider an approximation of small strain which reduces the cable to a linear spring. The equations of a mass suspended to a massless cable are derived on the basis of this new formulation. The problem is studied and numerically calculated for one and two degrees of freedom. A comparison with the classical approach and a nonlinear analysis are presented. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:446 / 459
页数:14
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