We show a novel integrating technique, the direct evaluation method, that provides maximum accuracy in the computation of the MFIE-interactions between neighboring noncoplanar basis functions sharing an edge or a vertex of the discretization. Unlike the previous techniques, this strategy requires no extraction of quasi-singular terms from the Kernel and accounts for both inner- and outer-integrals. We show that the
recently proposed discretization of the MFIE with orthogonal facet-oriented basis functions provide best accuracy in the RCS
computation of objects with small electrical dimensions when compared with other conventional basis functions sets.
CitationTamayo, J.M. [et al.]. Very accurate computation of the impedance elements on the discretization of the magnetic field integral equation with the orthogonal basis functions. A: Encuentro Ibérico de Electromagnetismo Computacional. "VII Encuentro Ibérico de Electromagnetismo Computacional". 2011, p. 48-52.
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