[en] This paper deals with time-domain surface-impedance boundary conditions in computational magnetodynamics considering both magnetic-vector potential and magnetic-field formulation. Based on the resolution of the 1-D eddy-current problem in a semi-infinite slab, the massive conducting region is accounted for by choosing a number of exponentially decreasing trigonometric basis functions covering the relevant frequency range. Herein the method is elaborated for the magnetic-field formulation. Results for both formulations are compared and validated on a two-dimensional test case.
Disciplines :
Electrical & electronics engineering
Author, co-author :
V Sabariego, Ruth ; Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Dular, Patrick ; 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)
Gyselinck, Johan; Université Libre de Bruxelles - ULB > BEAMS
Language :
English
Title :
Surface-Impedance Boundary Conditions in Dual Time-Domain Finite-Element Formulations
Publication date :
November 2009
Event name :
17th Conference on the Computation of Electromagnetic Fields (COMPUMAG 2009)
Event place :
Florianopolis, Brazil
Event date :
November 22-26, 2009
By request :
Yes
Audience :
International
Main work title :
Proceedings of the 17th Conference on the Computation of Electromagnetic Fields, COMPUMAG 2009
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