Non-linear analysis of sandwich shells:: the effect of core plasticity

被引:15
作者
Ferreira, AJM [1 ]
Barbosa, JT [1 ]
Marques, AT [1 ]
De Sá, JC [1 ]
机构
[1] Univ Porto, Fac Engn, Dept Engn Mecan & Gestao Ind, P-4099 Porto, Portugal
关键词
non-linear analysis; sandwich shells; elasto-plastic behaviour; finite element analysis;
D O I
10.1016/S0045-7949(99)00156-X
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
A non-linear formulation for general, arbitrary, sandwich shells is presented. The formulation accounts for geometric and material non-linear behavior of the shell. The core plasticity is assessed. The first order shear deformation theory is presented as Far as the kinematics are concerned. The analysis is based on the displacement formulation of the finite element method and uses the Ahmad shell element with five degrees of freedom per node. The approach is discussed, particularly with reference to a cylindrical shell subjected to transverse load that causes snap buckling. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:337 / 346
页数:10
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