A POSTERIORI ERROR INDICATOR FOR COULOMB’S FRICTIONAL CONTACT

A., BECHEUR; A., TAHAKOURT; P., COOREVITS

doi:10.21608/amme.2008.39270

A POSTERIORI ERROR INDICATOR FOR COULOMB’S FRICTIONAL CONTACT

Document Type : Original Article

Authors

¹ Assistant Professor, Laboratoire de Technologie des Matériaux et de Génie des Procédés LTMGP. University of Bejaia. Route de Tharga-ouzemour.. 06000 BEJAIA. Algeria.

² Professor, Laboratoire de Technologie des Matériaux et de Génie des Procédés LTMGP. University of Bejaia. Route de Tharga-ouzemour.. 06000 BEJAIA. Algeria.

³ Professor, Laboratoire des Technologies Innovantes LTI, EA3899, Université de Picardie Jules Verne, France.

10.21608/amme.2008.39270

Abstract

ABSTRACT
In this paper, we present a new error indicator for the frictional contact problem
governed by Coulomb’s law. This indicator is built over the combination of two known
methods. The first concerns the error obtained from the projection techniques where
super convergence properties are used for smoothing the finite element stress fields.
The second method takes into account the errors in the constitutive relation of the
contact zones. By using both the error indicator and procedures of mesh adaptivities,
we show example of optimised computations.

Keywords