Accurate thermo-electro-mechanical buckling of shear deformable piezoelectric fiber-reinforced composite cylindrical shells

被引：34
|
作者：
Sun, Jiabin [1 ,2 ]
Xu, Xinsheng [3 ,4 ]
Lim, C. W. [5 ]
Zhou, Zhenhuan [3 ,4 ]
Xiao, Shaoyang [1 ,2 ]
机构：
[1] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Panjin 124221, Peoples R China
[2] Dalian Univ Technol, Sch Ocean Sci & Technol, Panjin 124221, Peoples R China
[3] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China
[4] Dalian Univ Technol, Dept Engn Mech, Dalian 116024, Peoples R China
[5] City Univ Hong Kong, Dept Architecture & Civil Engn, Hong Kong, Hong Kong, Peoples R China
来源：
COMPOSITE STRUCTURES | 2016年 / 141卷
基金：
中国国家自然科学基金;
关键词：
Buckling; Cylindrical shells; Functionally graded; Piezoelectric composite; FREE-VIBRATION ANALYSIS; LAYERWISE MIXED DESCRIPTION; BASIS FUNCTIONS COLLOCATION; PLATES; FGM; FORMULATION; ELEMENTS;
D O I：
10.1016/j.compstruct.2016.01.054
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
An accurate buckling analysis for piezoelectric fiber-reinforced composite (PFRC) cylindrical shells subjected to combined loads comprising compression, external voltage and thermal load is presented in this paper. Based on Reddy's higher-order shear deformation theory, the governing equations for the coupled displacement field and induced piezoelectric field are established. Considering two different kinds of fiber-reinforced configurations, i.e. uniformly distributed (UD) and functionally graded (FG) reinforcements, the buckling solutions of perfect and imperfect PFRC cylindrical shells are obtained by applying separation of variables and Galerkin's method. The influence of geometric parameters, piezoelectric effect, external electric voltage, temperature field and fibers distribution configurations on buckling characteristics and imperfection sensitivity are discussed in detail. The formulation system thus developed is suitable to other shell theories and to account for the coupled electro-magneto-thermo-elastic effects. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：221 / 231
页数：11
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