PARAMETRIC-INSTABILITY OF TIMOSHENKO BEAM WITH THERMAL-GRADIENT RESTING ON A VARIABLE PASTERNAK FOUNDATION

被引：14

作者：

KAR, RC

SUJATA, T

机构：

[1] Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur

来源：

COMPUTERS & STRUCTURES | 1990年 / 36卷 / 04期

关键词：

D O I：

10.1016/0045-7949(90)90081-C

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The dynamic stability of a Timoshenko beam with a thermal gradient lying on a variable Pasternak foundation and subjected to a pulsating axial force is studied. The effects of thermal gradient, rotary inertia, and the variation of elastic foundation and shear layer on the regions of parametric instability of simple and combination resonances are investigated. The results reveal that these parameters have a significant effect on the dynamic stability of the system. © 1990.

引用

页码：659 / 665

页数：7

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