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An incremental convex programming model of the elastic frictional contact problems
Faculty
Science
Year:
2006
Type of Publication:
Article
Pages:
431-447
Authors:
MAHMOUD, FF, Helal, MM, Mohamed, SA
Journal:
STRUCTURAL ENGINEERING AND MECHANICS TECHNO-PRESS
Volume:
23
Research Area:
Engineering
ISSN
ISI:000237720800007
Keywords :
contact mechanics, friction, variational inequality, finite elements, convex programming, incremental approach
Abstract:
A new incremental finite element model is developed to simulate the frictional contact of elastic bodies. The incremental convex programming method is exploited, in the framework of finite element approach, to recast the variational inequality principle of contact problem in a discretized form. The non-classical friction model of Oden and Pires is adopted, however, the friction effect is represented by an equivalent non-linear stiffness rather than additional constraints. Different parametric studies are worked out to address the versatility of the proposed model.
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