An Adaptive Finite Element Method To Analyse
Contact Problems
Author(s)
U. Nackenhorst
Abstract
An adaptive finite element method to analyse
contact problems
U. Nackenhorst
Institute of Mechanics, University of the Federal Armed Forces
Hamburg, D-22039 Hamburg, Germany
Introduction
Contact analysis aims to calculate the contact area, divided into stick and
slip regions, as well as the contact tractions. Using discretisation methods
such as the finite element method discretisation errors are unavoidable.
In linear mechanics a couple of theories have been developed to es-
timate the discretisation error and to predict better meshes for improved
results [1, 2, 3, 4, 5]. One of the most accepted methods has been proposed
by ZlENKIEWlCZ and ZHU [3]. But there are known problems to satisfy
the boundary conditions. And applications to nonlinear problems are not
reported until now.
Caused by these facts an improved error estimation method is proposed
taking the boundary traction error into account. This proceeding seems
to be natural because in engineering analysis the surface t
Keywords
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