Nonlinear functional analysis and its applications
Nonlinear functional analysis and its applications
Adaptive multilevel methods for obstacle problems
SIAM Journal on Numerical Analysis
Mathematics of Computation
On the finite element method for mixed variational inequalities arising in elastoplasticity
SIAM Journal on Numerical Analysis
Qualitative and Numerical Analysis of Quasi-Static Problems in Elastoplasticity
SIAM Journal on Numerical Analysis
The Kacˇanov method for some nonlinear problems
Applied Numerical Mathematics
A Local Regularization Operator for Triangular and Quadrilateral Finite Elements
SIAM Journal on Numerical Analysis
A posteriori error estimation for variational problems with uniformly convex functionals
Mathematics of Computation
Convex analysis and variational problems
Convex analysis and variational problems
Finite Element Method for Elliptic Problems
Finite Element Method for Elliptic Problems
Efficient and Reliable A Posteriori Error Estimators for Elliptic Obstacle Problems
SIAM Journal on Numerical Analysis
An a Posteriori Error Estimator for Two-Body Contact Problems on Non-Matching Meshes
Journal of Scientific Computing
Discontinuous Galerkin Methods for Solving Elliptic Variational Inequalities
SIAM Journal on Numerical Analysis
A Posteriori Error Estimator for Obstacle Problems
SIAM Journal on Scientific Computing
Error estimates in elastoplasticity using a mixed method
Applied Numerical Mathematics
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In this paper, we perform an a posteriori error analysis for adaptive finite element solutions of elliptic variational inequalities of the second kind. A general framework for a posteriori error estimates is established by using duality theory in convex analysis. We then turn to an analysis of some particular a posteriori error estimates of residual type. Efficiency of the error estimators are investigated. Numerous numerical examples are included to illustrate the effectiveness of the a posteriori error estimates in adaptive solutions of the variational inequalities.