Volume 13, Issue 13 (First Special Issue 2014)
Modares Mechanical Engineering 2014, 13(13): 132-142 |
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falahatgar R. Creep buckling analysis of rectangular viscoelastic thick plate by pseudo-transient finite element method. Modares Mechanical Engineering 2014; 13 (13) :132-142
URL: http://mme.modares.ac.ir/article-15-2777-en.html
URL: http://mme.modares.ac.ir/article-15-2777-en.html
Abstract: (5649 Views)
In the present work, creep buckling of linear viscoelastic plate was studied. Pseudo-transient or Dynamic Relaxation method with finite element discritization was used for solving the nonlinear governing equations of the plate. The displacements were based on first order shear deformation theory. Von Karman assumptions were considered for strains, including initial imperfection of the plate. Central deflections of the rectangular PMMA plate as well as end-shortenings were obtained during the loading of the plates with simply supported and clamped edges. The results compared well with commercial finite element code ANSYS.
Keywords: Creep buckling, Dynamic Relaxation, finite element method, Mindlin theory, viscoelastic plate
Article Type: Research Article |
Subject:
Stress Analysis|Creep, Fatigue & Failure|Finite Elements Method
Received: 2013/02/12 | Accepted: 2013/06/2 | Published: 2014/02/20
Received: 2013/02/12 | Accepted: 2013/06/2 | Published: 2014/02/20
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