Dynamic stability of magnetorheological elastomer based adaptive sandwich beam with conductive skins using FEM and the harmonic balance method

被引：53

作者：

Nayak, B. ^{[1
]}

Dwivedy, S. K. ^{[1
]}

Murthy, K. S. R. K. ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Mech Engn, Gauhati 781039, India

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2013年 / 77卷

关键词：

Dynamic stability; Finite element method; Harmonic balance method magnetorheological elastomer; Conductive skins; PARAMETRIC-INSTABILITY; BOUNDARY-CONDITIONS; VIBRATION ABSORBER;

D O I：

10.1016/j.ijmecsci.2013.09.010

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The dynamic stability of a partially treated magnetorheological elastomer (MRE) cored sandwich beam with conductive skins subjected to time varying axial load has been studied. The finite element method (FEM) and Guyan reduction method are used to derive the governing equation of motion which is similar to that of Mathieu's equation. The instability regions of the sandwich beam for the principal parametric resonance case are calculated by using the harmonic balance method. Effects of applied magnetic field, static load, dynamic load, the length and the location of the MRE patch on the stability of the sandwich beam are investigated. The results suggest that the stability of the MRE embedded sandwich beams are strongly influenced by the strength of the applied magnetic field, static load, dynamic load, the location and the length of the MRE patch. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：205 / 216

页数：12

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