IMPLEMENTATION OF A SIMPLE WRINKLING MODEL INTO ARGYRIS' MEMBRANE FINITE ELEMENT

被引：0

作者：

Pauletti, Ruy M. O. ^{[1
]}

Guirardi, Daniel M. ^{[2
]}

机构：

[1] Univ Sao Paulo, Polytech Sch, POB 61548, BR-05424970 Sao Paulo, Brazil

[2] IPT, Sao Paulo, Brazil

来源：

TEXTILE COMPOSITES AND INFLATABLE STRUCTURES VI | 2013年

关键词：

nonlinear analysis; membrane structures; Argyris' membrane element; membrane wrinkling and slackening;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

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 deformations into elastic and wrinkle components).

引用

页码：142 / 153

页数：12

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