The Local Average Contact (LAC) method
Résumé
The Local Average Contact (LAC) method allows the handling of nonmatch-ing meshes in an easy way by averaging locally the interpenetration between the contacting bodies. In this paper we consider several numerical experiments involving two and three-dimensional bodies discretized with various linear and quadratic finite elements. We also present a convergence analysis of the method in the geometrical nonconforming case in which the boundary points of the candidate contact areas do not coincide.
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