Implicit a Posteriori Error Estimation Using Patch Recovery Techniques

نویسنده

  • TAMÁS L. HORVÁTH
چکیده

Implicit a posteriori error estimators are developed for elliptic boundary value problems. Local problems are formulated for the error and the corresponding Neumann type boundary conditions are approximated using a new family of gradient averaging procedure. The convergence properties of the implicit error estimator are discussed independently from that of the residual type error estimators, which provides a freedom in the choice of the boundary conditions. General assumptions are elaborated for the gradient averaging which define a family of implicit a posteriori error estimators. The performance and the favor of the method is demonstrated trough some numerical experiments.

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تاریخ انتشار 2011