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04 June 2013
Poster (Scientific congresses and symposiums)
Evaluation of Shielding Effectiveness in the Time Domain using a DG Method with an Efficient PML
Modave, Axel  ; Geuzaine, Christophe  ; Boubekeur, Mohamed et al.
2013 • 9th International Symposium on Electric and Magnetic Fields (EMF 2013)
 

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Keywords :
composite shielding; numerical method; discontinuous finite element method; PML; shielding effectiveness
Abstract :
[en] Development of new electric and electronic devices leads to an increasing importance for solving electromagnetic compatibility problems. In particular, the optimization of radiated emissions is increasingly done through numerical modeling. In this context, numerical methods allow to evaluate the effectiveness of more and more elaborate shielding enclosures. We propose an application of the nodal Discontinuous Galerkin method to evaluate the effectiveness of composite shieldings in the time domain. This numerical method provides convenient advantages to deal with shielding problems. Firstly, heterogeneous media are naturally included in the discrete formulation. After, the method is famous to allow a massive parallelization for the numerical resolution. Finally, a resolution in the time domain allows to consider transient signals. The numerical scheme is firstly validated using an academic benchmark. In the same way, the PML used to truncate the computational domain is optimized and validated. Applications are then presented for homogeneous and composite shieldings. The preliminary results are in conformity with classical predictive rules.
Research center :
Applied and Computational Electromagnetics (ULiège) and LGEP (Supélec)
Disciplines :
Electrical & electronics engineering
Author, co-author :
Modave, Axel  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Geuzaine, Christophe  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Boubekeur, Mohamed;  Laboratoire de Génie Electrique de Paris - LGEP
Pichon, Lionel;  Laboratoire de Génie Electrique de Paris - LGEP
Kameni, Abelin;  Laboratoire de Génie Electrique de Paris - LGEP
Language :
English
Title :
Evaluation of Shielding Effectiveness in the Time Domain using a DG Method with an Efficient PML
Publication date :
24 April 2013
Event name :
9th International Symposium on Electric and Magnetic Fields (EMF 2013)
Event place :
Bruges, Belgium
Event date :
from 23-04-2013 to 25-04-2013
Audience :
International

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