Journal
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS
Volume 53, Issue -, Pages 2-12Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijnonlinmec.2013.01.010
Keywords
Variational inequalities; Contacts; Plasticity; Friction
Categories
Funding
- National Science Foundation [CMMI0840442]
- Ferrari Automotive and TP Engineering
- U.S. Department of Energy [DE-AC02-06CH11357]
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This work describes an approach to simulate contacts between three-dimensional shapes with compliance and damping using the framework of the differential variational inequality theory. Within the context of non-smooth dynamics, we introduce an extension to the classical set-valued model for frictional contacts between rigid bodies, allowing contacts to experience local compliance, viscosity, and plasticization. Different types of yield surfaces can be defined for various types of contact, a versatile approach that contains the classic dry Coulomb friction as a special case. The resulting problem is a differential variational inequality that can be solved, at each integration time step, as a variational inequality over a convex set. (C) 2013 Elsevier Ltd. All rights reserved.
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