A simple first-order shear deformation theory for laminated composite plates

被引:175
作者
Huu-Tai Thai [1 ]
Choi, Dong-Ho [1 ]
机构
[1] Hanyang Univ, Dept Civil & Environm Engn, Seoul 133791, South Korea
基金
新加坡国家研究基金会;
关键词
Laminated composite plate; Plate theory; Bending; Free vibration; FREE-VIBRATION ANALYSIS; FUNCTIONALLY GRADED PLATES; FINITE-ELEMENT FORMULATION; BUCKLING ANALYSIS; NATURAL FREQUENCIES; BENDING ANALYSIS; DYNAMIC-ANALYSIS; ORDER THEORY; EFFICIENT; BEHAVIOR;
D O I
10.1016/j.compstruct.2013.06.013
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
In this paper, a simple first-order shear deformation theory is presented for laminated composite plates. Unlike the existing first-order shear deformation theory, the present one contains only four unknowns and has strong similarities with the classical plate theory in many aspects such as equations of motion, boundary conditions, and stress resultant expressions. Equations of motion and boundary conditions are derived from Hamilton's principle. Analytical solutions of simply supported antisymmetric cross-ply and angle-ply laminates are obtained and the results are compared with the exact three-dimensional (3D) solutions and those predicted by existing theories. Comparison studies show that this new first-order shear deformation theory can achieve the same accuracy of the existing first-order shear deformation theory which has more number of unknowns. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:754 / 763
页数:10
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