Non Spurious Spectral-Like Element Methods for Maxwell's Equations

Non Spurious Spectral-Like Element Methods for Maxwell's Equations

Year:    2007

Author:    Gary Cohen, Marc Duruflé

Journal of Computational Mathematics, Vol. 25 (2007), Iss. 3 : pp. 282–304

Abstract

In this paper, we give the state of the art for the so called "mixed spectral elements" for Maxwell's equations. Several families of elements, such as edge elements and discontinuous Galerkin methods (DGM) are presented and discussed. In particular, we show the need of introducing some numerical dissipation terms to avoid spurious modes in these methods. Such terms are classical for DGM but their use for edge element methods is a novel approach described in this paper. Finally, numerical experiments show the fast and low-cost character of these elements.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/2007-JCM-8693

Journal of Computational Mathematics, Vol. 25 (2007), Iss. 3 : pp. 282–304

Published online:    2007-01

AMS Subject Headings:   

Copyright:    COPYRIGHT: © Global Science Press

Pages:    23

Keywords:    Maxwell's equations Discontinuous Galerkin methods Edge elements Mass lumping.

Author Details

Gary Cohen

Marc Duruflé