Convergence of adaptive discontinuous Galerkin methods

Convergence of adaptive discontinuous Galerkin methods

We develop a general convergence theory for adaptive discontinuous Galerkin methods for elliptic PDEs covering the popular SIPG, NIPG and LDG schemes as well as all practically relevant marking strategies. Another key feature of the presented result is, that it holds for penalty parameters only nece...

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Veröffentlicht in:Mathematics of computation 2018-11, Vol.87 (314), p.2611-2640
Hauptverfasser: KREUZER, CHRISTIAN, GEORGOULIS, EMMANUIL H.
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GEORGOULIS, EMMANUIL H.
description We develop a general convergence theory for adaptive discontinuous Galerkin methods for elliptic PDEs covering the popular SIPG, NIPG and LDG schemes as well as all practically relevant marking strategies. Another key feature of the presented result is, that it holds for penalty parameters only necessary for the standard analysis of the respective scheme. The analysis is based on a quasi-interpolation into a newly developed limit space of the adaptively created non-conforming discrete spaces, which enables us to generalise the basic convergence result for conforming adaptive finite element methods by Morin, Siebert, and Veeser [ A basic convergence result for conforming adaptive finite elements , Math. Models Methods Appl. Sci., 2008, 18(5), 707-737].
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title Convergence of adaptive discontinuous Galerkin methods
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