Implementation of a simple wrinkling model into Argyris membrane finite element

Abstract:

This paper presents the implementation of a simple wrinkling/slackening model into the classical Argyris membrane element, comparing the solution performance by Newton’s iterations, using either the tangent stiffness matrix (numerically evaluated through a finite-difference approximation), or a secant stiffness matrix (obtained through the modification of the elasticity matrix, according to a projection technique which decompose deformation into elastic and wrinkle componenet)


Reference:
PAULETTI, Ruy M.O.; GUIRARDI, Daniel Mariani. Implementation of a simple wrinkling model into Argyris membrane finite element. In: INTERNATIONAL CONFERENCE ON TEXTILE COMPOSITES AND INFLATABLE STRUCTURES, STRUCTURAL MEMBRANES, 6., 2013, Munich Germany. Proceedings… 12 p.

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https://escriba.ipt.br/pdf_restrito/171933.pdf

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