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Local a posteriori error estimators for variational inequalities
Author(s) -
Ainsworth Mark,
Oden J. Tinsley,
Lee C. Y.
Publication year - 1993
Publication title -
numerical methods for partial differential equations
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.901
H-Index - 61
eISSN - 1098-2426
pISSN - 0749-159X
DOI - 10.1002/num.1690090104
Subject(s) - estimator , mathematics , discretization , a priori and a posteriori , finite element method , discretization error , variational inequality , approximation error , error analysis , mathematical optimization , mathematical analysis , statistics , philosophy , physics , epistemology , thermodynamics
Local a posteriori error estimators for finite element approximation of variational inequalities are derived. These are shown to provide upper bounds on the discretization error. Numerical examples are given illustrating the theoretical results. © 1993 John Wiley & Sons, Inc.