Computational Mechanics

, Volume 48, Issue 4, pp 461–475 | Cite as

Transient three-dimensional contact problems: mortar method. Mixed methods and conserving integration

Open Access
Original Paper

Abstract

The present work deals with the development of an energy-momentum conserving method to unilateral contact constraints and is a direct continuation of a previous work (Hesch and Betsch in Comput Mech 2011, doi:10.1007/s00466-011-0597-2) dealing with the NTS method. In this work, we introduce the mortar method and a newly developed segmentation process for the consistent integration of the contact interface. For the application of the energy-momentum approach to mortar constraints, we extend an approach based on a mixed formulation to the segment definition of the mortar constraints. The enhanced numerical stability of the newly proposed discretization method will be shown in several examples.

Keywords

Contact Energy methods Large deformation Mortar method 

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Chair of Computational Mechanics, Department of Mechanical EngineeringUniversity of SiegenSiegenGermany

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