Reference : Analysis of transient scattering problems using a discontinuous Galerkin method: appl...
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/2268/157222
Analysis of transient scattering problems using a discontinuous Galerkin method: application to the shielding effectiveness of enclosures with heterogeneous walls
English
Boubekeur, Mohamed [Supélec > Laboratoire de Génie Electrique de Paris - LGEP > > >]
Kameni, Abelin [Supélec > Laboratoire de Génie Electrique de Paris - LGEP > > >]
Pichon, Lionel [Supélec > Laboratoire de Génie Electrique de Paris - LGEP > > >]
Modave, Axel [Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE) >]
Geuzaine, Christophe mailto [Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE) >]
May-2014
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields
27
3
626-635
Yes
International
[en] discontinuous Galerkin method ; Maxwell's equations ; time domain ; frequency domain ; homogenization ; shielding effectiveness
[en] 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 using a nodal discontinuous Galerkin 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 Fast Fourier Transform.
http://hdl.handle.net/2268/157222

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