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NUMERICAL ANALYSIS OF A CONTACT PROBLEM IN RATE-TYPE VISCOPLASTICITY
- Source :
- Numerical Functional Analysis and Optimization. 22:505-527
- Publication Year :
- 2001
- Publisher :
- Informa UK Limited, 2001.
-
Abstract
- In this paper, we consider numerical approximations of a contact problem in rate-type viscoplasticity. The contact conditions are described in term of a subdifferential and include as special cases some classical frictionless boundary conditions. The contact problem consists of an evolution equation coupled with a time-dependent variational inequality. Error estimates for both spatially semi-discrete and fully discrete solutions are derived and some convergence results are shown. Under appropriate regularity assumptions on the exact solution, error estimates are obtained.
Details
- ISSN :
- 15322467 and 01630563
- Volume :
- 22
- Database :
- OpenAIRE
- Journal :
- Numerical Functional Analysis and Optimization
- Accession number :
- edsair.doi...........a8ccac1b7fec3470c3831825b6d5c58b
- Full Text :
- https://doi.org/10.1081/nfa-100105305