Analysis of transient scattering problems using a discontinuous Galerkin method: application to the shielding effectiveness of enclosures with heterogeneous walls

Mohamed Boubekeur 1 Abelin Kameni 1 Lionel Pichon 1 Axel Modave Christophe Geuzaine
1 LGEP - Laboratoire de génie électrique de Paris
Abstract : In this paper, different formulations of Maxwell equations are combined for computing the shielding effectiveness of enclosures made from heterogeneous periodic materials. The validity of the homogenized parameters given by Maxwell-Garnett rules in the frequency domain are tested in the time domain by using a nodal DG method, which uses an interface condition based on analytical solution in the frequency domain to replace a conductive sheet. This interface condition allows to avoid meshing the thin sheet, thus reducing the computational cost. Results of scattering by composite enclosures are presented in the frequency domain thanks to a FFT.
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International Journal of Numerical Analysis and Modeling, Institute for Scientific Computing and Information, 2014, 27 (3), pp.626-635. 〈10.1002/jnm.1968〉
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Soumis le : mercredi 17 décembre 2014 - 15:54:02
Dernière modification le : samedi 26 mai 2018 - 01:14:01

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Mohamed Boubekeur, Abelin Kameni, Lionel Pichon, Axel Modave, Christophe Geuzaine. Analysis of transient scattering problems using a discontinuous Galerkin method: application to the shielding effectiveness of enclosures with heterogeneous walls. International Journal of Numerical Analysis and Modeling, Institute for Scientific Computing and Information, 2014, 27 (3), pp.626-635. 〈10.1002/jnm.1968〉. 〈hal-01096483〉

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