A stable well-conditioned integral equation for electromagnetism scattering |
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Authors: | F Alouges S Borel DP Levadoux |
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Institution: | 1. Laboratoire de Mathématiques, Université Paris XI, 91405 Orsay Cedex, France;2. Electromagnetics and Radar Department, ONERA, 91761 Palaiseau, France |
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Abstract: | Finding a formulation for electromagnetic scattering of surfaces which is both well-posed and produces a well-conditioned linear system is still a challenging problem. We here propose one such formulation valid in the high-frequency regime. The mathematical analysis is provided and numerical results on rather complex geometries show the performance of the method. |
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Keywords: | Time-harmonic scattering problem Maxwell equations Iterative method Integral equation Helmholtz decomposition CFIE Preconditioner |
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