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The use of the transfinite interpolation in the method of moments applied to electromagnetic scattering by dielectric cylinders

par De Doncker, Philippe
Référence IEEE transactions on antennas and propagation, 48, 5, page (661-670)
Publication Publié, 2000-05

Article révisé par les pairs

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Résumé :

The method of moments (MoM) solution of electromagnetic scattering presents two major numerical difficulties: the number of unknowns and the computation time necessary to calculate the matrix elements. To circumvent these problems, a MoM using the transfinite interpolation and a reduced integration scheme is presented here. The so-called h and p versions of the new method are applied to the scattering of an electromagnetic wave by an infinite dielectric cylinder (TM case) in the Richmond's formulation. The transfinite and classical methods are compared in terms of the convergence rates of the radar cross section and of the total electric field inside the dielectric. The results confirm the superiority of the new schemes as predicted by the theory.