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A Posteriori Optimization of Parameters in the SUPG Method for Higher Degree FE Spaces

Publikace na Matematicko-fyzikální fakulta |
2015

Tento text není v aktuálním jazyce dostupný. Zobrazuje se verze "en".Abstrakt

This paper is devoted to the numerical solution of the scalar convection- diffusion-reaction equation. We present new results of the adaptive technique for computing the stabilization parameter τ in the streamline upwind/Petrov-Galerkin (SUPG) method based on minimizing the value of a functional called error indicator.

Particularly, we present results for conforming finite element spaces up to the order 5 with the parameter tau from the piecewise discontinuous finite element spaces, also up to the order 5.