Abstract
A full-wave, wide-band fleld solver based on surface integral formulation is intro- duced. The equivalence principle is used to derive the surface integral formulations based on the interior and the exterior electric and magnetic flelds and the boundary conditions. The method of moments (MoM) is used to transform the continuous surface integrals to a discretized linear matrix system. Singularity cancellation and subtraction methods are used to address the numeri- cal integrations of weakly and highly singular terms, respectively. The loop-star basis and testing functions are used along with the frequency scaling to address the low frequency problem. The accuracy of the fleld solver is analyzed for various surface integral equations as well as roof-top and loop-star basis and testing functions.
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