Implicit a posteriori error estimation using patch recovery techniques


Horváth, Tamás L. and Izsák, Ferenc (2011) Implicit a posteriori error estimation using patch recovery techniques. [Report]

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Abstract: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.
Item Type:Report
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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