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| (1) | Centre de Mathematiques Appliquees - CNRS URA 756 Ecole Polytechnique, 91128 Palaiseau Cedex, France. IMACS - Ingenierie Mathematiques et Calcul Scientifique Ecole Polytechnique, 91128 Palaiseau Cedex, France. |
| (2) | IMACS - Ingenierie Mathematiques et Calcul Scientifique Ecole Polytechnique, 91128 Palaiseau Cedex, France. |
Abstract : We are interested by the scattering of a transient electromagnetic wave by a bounded homogeneous dielectric obstacle. We use the retarded potential method to solve this transmission problem. We use Laplace-Fourier transform to analyse the problem and propose a symmetric coercive variational formulation. This leads to a stable numerical method. We show some validation results on a dielectric sphere.
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