Discrete element analysis of dynamic response of Timoshenko beams under moving mass

被引:64
|
作者
Yavari, A [1 ]
Nouri, M
Mofid, M
机构
[1] CALTECH, Dept Appl Mech, Grad Aeronaut Labs, Pasadena, CA 91125 USA
[2] Univ Toronto, Dept Mech & Ind Engn, Toronto, ON M5S 3G8, Canada
[3] Univ Kansas, Dept Civil Engn, Lawrence, KS 66045 USA
关键词
D O I
10.1016/S0965-9978(02)00003-0
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this paper, dynamic response of Timoshenko beams under moving mass is analyzed using a numerical method called discrete element technique (DET). In DET, continuous flexible beam elements are replaced by a system of rigid bars and flexible joints. We present a DET model of Timoshenko beams under moving mass. The results of our DET model are compared with the solutions obtained by PAFEC (programs for automatic finite element calculations) for Euler-Bernoulli beams and finite difference method for Timoshenko beams. The effects of beam thickness and moving mass velocity on dynamic response of beams under moving mass are numerically studied. (C) 2002 Elsevier Science Ltd. All rights reserved.
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页码:143 / 153
页数:11
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