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An Adaptive Discontinuous Finite Element Method for the Transport Equation. (1991)

Lang, Jens ; Walter, Artur

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Publikationsdatum: 2014-02-26

Beschreibung: In this paper we introduce a discontinuous finite element method. In our approach, it is possible to combine the advantages of finite element and finite difference methods. The main ingredients are numerical flux approximation and local orthogonal basis functions. The scheme is defined on arbitrary triangulations and can be easily extended to nonlinear problems. Two different error indicators are derived. Especially the second one is closely connected to our approach and able to handle arbitrary variing flow directions. Numerical results are given for boundary value problems in two dimensions. They demonstrate the performance of the scheme, combined with the two error indicators. {\bf Key words:} neutron transport equation, discontinuous finite element, adaptive grid refinement. {\bf Subject classifications:} AMS(MOS) 65N30, 65M15.

Schlagwort(e): ddc:000

Sprache: Englisch

Materialart: reportzib , doc-type:preprint

Format: application/pdf

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