Buckling and post-buckling of arbitrary shells under thermo-mechanical loading

被引：0
|
作者：
M. Rezaiee-Pajand
D. Pourhekmat
E. Arabi
机构：
[1] Ferdowsi University of Mashhad,Department of Civil Engineering
来源：
Meccanica | 2019年 / 54卷
关键词：
Thermo-mechanical buckling and post-buckling; Folded structures; Nonlinear triangular shell element; Shear deformation; Large rotations; Drilling degrees of freedom;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Thermo-mechanical buckling and post-buckling analysis of arbitrary, smooth and folded shells with different boundary conditions are investigated. A pure displacement-and-theory-based isoparametric curved triangular shell element is introduced. This element is neither hybrid-mixed nor degenerated. Nevertheless, it is free from locking problem. The new element has six nodes while each node has three translational and three rotational (including the drilling) degrees of freedom. Large displacements and rotations are considered by employment of Total-Lagrangian scheme and Euler–Rodrigues formulation. The first-order shear deformation theory is used, and the proposed element is capable of modeling thin to thick shells.
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页码：205 / 221
页数：16
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