Thermal bifurcation buckling of piezoelectric carbon nanotube reinforced composite beams

被引：138

作者：

Rafiee, M. ^{[1
,4
]}

Yang, Jie ^{[2
]}

Kitipornchai, Siritiwat ^{[3
]}

机构：

[1] City Univ Hong Kong, Dept Civil & Architectural Engn, Kowloon, Hong Kong, Peoples R China

[2] RMIT Univ, Sch Aerosp Mech & Mfg Engn, Bundoora, Vic 3083, Australia

[3] Univ Queensland, Sch Civil Engn, Brisbane, Qld 4072, Australia

[4] Bu Ali Sina Univ, Dept Mech Engn, Hamadan, Iran

来源：

COMPUTERS & MATHEMATICS WITH APPLICATIONS | 2013年 / 66卷 / 07期

关键词：

Thermal buckling; Bifurcation; Beam; Carbon nanotube reinforced composite; FUNCTIONALLY GRADED BEAMS; AERO-ELASTIC VIBRATION; POSTBUCKLING BEHAVIOR; NONLINEAR VIBRATION; DYNAMIC-RESPONSE; ACTIVE CONTROL; PLATES; ENVIRONMENTS; SHELLS; DEFLECTION;

D O I：

10.1016/j.camwa.2013.04.031

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The nonlinear thermal bifurcation buckling behavior of carbon nanotube reinforced composite (CNTRC) beams with surface-bonded piezoelectric layers is studied in this paper. The governing equations of piezoelectric CNTRC beam are obtained based on the Euler Bernoulli beam theory and von Karman geometric nonlinearity. Two kinds of carbon nanotube-reinforced composite (CNTRC) beams, namely, uniformly distributed (UD) and functionally graded (FG) reinforcements, are considered. The material properties of FG-CNTRC beam are assumed to be graded in the thickness direction. The SWCNTs are assumed aligned, straight and with a uniform layout. Exact solutions are presented to study the thermal buckling behavior of beams made of a symmetric single-walled carbon nanotube reinforced composite with surface-bonded piezoelectric layers. The critical temperature load is obtained for the nonlinear problem. The effects of the applied actuator voltage, temperature, beam geometry, boundary conditions, and volume fractions of carbon nanotubes on the buckling of piezoelectric CNTRC beams are investigated. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1147 / 1160

页数：14

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