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A combined field integral equation (CFIE)-based electromagnetic solver is presented for solving scattering from a composite object. The object is first decomposed into multiple bodies according to its material property. Then the finite element-boundary integral method is applied to model bodies with complicated materials, and the method of moments is employed to model bodies with homogeneous or conducting...
In 1987, Cangellaris, Lin, and Mei proposed the time-domain finite element method as a promising numerical approach to simulating electromagnetic radiation and scattering phenomena. In this paper, we provide a brief overview of the recent progress in the development of the time-domain finite element method at the University of Illinois.
The N-Müller equations for scattering by a dielectric object are derived by preconditioning the electric-field integral equations (EFIE) and the magnetic-field integral equations (MFIE) with Calderón preconditioners. By employing the Calderón relation and the Calderón identities, it is shown that the sum of the preconditioned EFIE and MFIE equations yields the N-Müller equations, which explains...
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