Buckling and vibration analysis of laminated composite plate/shell structures via a smoothed quadrilateral flat shell element with in-plane rotations

被引：71

作者：

Nguyen-Van, H. ^{[1
]}

Mai-Duy, N. ^{[1
]}

Karunasena, W. ^{[2
]}

Tran-Cong, T. ^{[1
]}

机构：

[1] Univ So Queensland, Fac Engn & Surveying, Computat Engn & Sci Res Ctr CESRC, Toowoomba, Qld 4350, Australia

[2] Univ So Queensland, Fac Engn & Surveying, Ctr Excellence Engineered Fibre Composites CEEFC, Toowoomba, Qld 4350, Australia

来源：

COMPUTERS & STRUCTURES | 2011年 / 89卷 / 7-8期

关键词：

Buckling response; Natural vibration; Laminated composite plate and shell; Strain smoothing method; Locking-free; DIFFERENTIAL QUADRATURE METHOD; SHEAR DEFORMATION-THEORY; HIGHER-ORDER THEORY; RECTANGULAR-PLATES; 3-DIMENSIONAL VIBRATION; DRILLING DEGREES; FINITE-ELEMENTS; FREEDOM; STABILITY; 4-NODE;

D O I：

10.1016/j.compstruc.2011.01.005

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper presents buckling and free vibration analysis of composite plate/shell structures of various shapes, modulus ratios, span-to-thickness ratios, boundary conditions and lay-up sequences via a novel smoothed quadrilateral flat element. The element is developed by incorporating a strain smoothing technique into a flat shell approach. As a result, the evaluation of membrane, bending and geometric stiffness matrices are based on integration along the boundary of smoothing elements, which leads to accurate numerical solutions even with badly-shaped elements. Numerical examples and comparison with other existing solutions show that the present element is efficient, accurate and free of locking. (C) 2011 Elsevier Ltd All rights reserved.

引用

页码：612 / 625

页数：14

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