Abstract
Thompson-FDTD (T-FDTD) method has been recently introduced to solving electromagnetic scatterings of irregular objects [1]. In this paper, we describe how to apply the 1st order absorption boundary condition (ABC) in the T-FDTD method to obtain more accurate solutions without increasing number of mesh layers between truncated boundary and scatterer surface. The numerical results of the scatterings for PEC circular and rectangular cylinders show effectiveness of the implement technique.
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