Abstract
An original boundary integral equation approach is developed for an efficient and accurate electromagnetic analysis of arbitrarily-shaped three-dimensional conducting and dielectric structures, typically involved in scattering and antenna problems. A suitable analytical pre-processing on the field integral representation allows a straightforward implementation of the Nystrom method, which is based on a direct discretization of the surface integrals by means of two-dimensional quadrature formulas: this novel approach is alternative to the more common moment-method solutions and presents various attractive computational advantages. Numerical results have been derived for canonical 3D shapes to validate the proposed implementation, confirming the excellent features of versatility, efficiency, and accuracy of this numerical tool.
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