Non-linear global stability analysis of thin-walled laminated beam-type structures

被引：6
|
作者：
Pesic, Igor [1 ]
Lanc, Domagoj [1 ]
Turkalj, Goran [1 ]
机构：
[1] Univ Rijeka, Fac Engn, Dept Engn Mech, Vukovarska 58, HR-51000 Rijeka, Croatia
来源：
COMPUTERS & STRUCTURES | 2016年 / 173卷
关键词：
Stability; Buckling; Composite; Laminate; Critical load; Creep; BUCKLING ANALYSIS; VISCOELASTIC ANALYSIS; VLASOV THEORY; FRAMES; MODULI; MODEL;
D O I：
10.1016/j.compstruc.2016.05.015
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The paper presents an algorithm for buckling analysis of thin-walled laminated composite beam-type structures. One-dimensional finite element is employed under the assumptions of large displacements, large rotation effects but small strains. The equilibrium equations of a prismatic and straight spatial beam element are formulated using the virtual work principle. Stability analysis is performed in load deflection manner using corotational formulation. The cross-section mid-line contour is assumed to remain not deformed in its own plane, whereas the shear strains of middle surface are neglected. Laminates are modelled on the basis of classical lamination theory. Results have been validated on test examples. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：19 / 30
页数：12
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