WIAS Preprint No. 141, (1995)
A posteriori error estimates for elliptic variational inequalities
Authors
- Kornhuber, Ralf
2010 Mathematics Subject Classification
- 65N30 65N55 35J85
Keywords
- free boundary problems, adaptive fnite element methods, a posteriori error estimates
DOI
Abstract
We derive hierarchical a posteriori error estimates for elliptic variational inequalities. The evaluation amounts to the solution of corresponding scalar local subproblems. We derive some upper bounds for the effectivity rates and the numerical properties are illustrated by typical examples.
Appeared in
- Computers Math. Applic., 31 (1996), pp. 49--60
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