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

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. Ne...

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Published inMeccanica (Milan) Vol. 54; no. 1-2; pp. 205 - 221
Main Authors Rezaiee-Pajand, M., Pourhekmat, D., Arabi, E.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.01.2019
Springer Nature B.V
Subjects
Automotive Engineering
Boundary conditions
Buckling
Civil Engineering
Classical Mechanics
Locking
Mechanical Engineering
Physics
Physics and Astronomy
Postbuckling
Shear deformation
Shells
Thermomechanical analysis
Large rotations
Thermo-mechanical buckling and post-buckling
Folded structures
Drilling degrees of freedom
Shear deformation
Nonlinear triangular shell element
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Summary: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.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0025-6455
1572-9648
DOI:10.1007/s11012-018-00928-7