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ELASTO‐PLASTIC FINITE ELEMENT ANALYSIS OF UNILATERAL CONTACT WITH GENERALIZED COULOMB FRICTION

PHILIPPE HRYCAJ (Laboratoire de Génie Mécanique, Unité de Recherche Associée au CNRS, MECAMAT, GRECO Calcul des Structures, Université de Valenciennes et du Hainaut Cambrésis, 59326 Valenciennes, France)
SERGE CESCOTTO (Service MSM, Institut du Génie Civil, Université de Liège, 4000 Liège, Belgium)
J. OUDIN (Laboratoire de Génie Mécanique, Unité de Recherche Associée au CNRS, MECAMAT, GRECO Calcul des Structures, Université de Valenciennes et du Hainaut Cambrésis, 59326 Valenciennes, France)

Engineering Computations

ISSN: 0264-4401

Article publication date: 1 April 1991

66

Abstract

Inside the finite element framework of LAGAMINE code, the contact conditions are introduced with specific two‐node interface elements and four‐node quadrangular elements or four‐node one point quadrature elements. A non‐associated flow rule is involved for sliding unilateral contact modelling. Two methods of penalty factor computations in the penalty contact algorithms are presented. These methods are then used for contact modelling of two isothermal examples: axisymmetric tube expansion and asymmetric slab bending, the material bulk constitutive equation being isotropic and elasto‐plastic.

Keywords

Citation

HRYCAJ, P., CESCOTTO, S. and OUDIN, J. (1991), "ELASTO‐PLASTIC FINITE ELEMENT ANALYSIS OF UNILATERAL CONTACT WITH GENERALIZED COULOMB FRICTION", Engineering Computations, Vol. 8 No. 4, pp. 291-303. https://doi.org/10.1108/eb023840

Publisher

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MCB UP Ltd

Copyright © 1991, MCB UP Limited

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