Title: DETERMINATION OF WRINKLING CRITERIA FOR AN INCOMPRESSIBLE POLYMER MEMBRANE BY NON-LINEAR ELASTIC FINITE ELEMENT METHOD
Page Range: p.225-232
Author(s): Kim J H; Lee M-G; Han C-S
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 16
Issue No: No.4
Abstract
The determination of a wrinkling criterion for non-linear elastic membrane materials such as thin polymer, fabric or rubber structures by implementing the constitutive equation proposed by Ogden for incompressible hyperelastic materials using finite element analysis is described. The wrinkle/non-wrinkle boundaries were traced by means of the relationship between strain energy and the principal values of the stretch tensor, and it was shown that initiation of wrinkling of an elastic membrane can be regarded as taking place at the point of slope change of the strain energy-stretch curve. 12 refs.
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