Accuracy Limitations of Perfectly Matched Layers in 3D Finite-Difference Frequency-Domain Method
T. Tischler and W. Heinrich
Published in:
IEEE MTT-S Int. Microwave Symp. Dig., pp. 1885-1888 (2002).
Abstract:
The perfectly matched layer (PML) boundary condition is employed in conjunction with the 3D finite-difference frequency-domain method (FDFD) for S-parameter calculation of microwave devices. We find a residual reflection error, which is related only to discretization at the PML interface. The paper presents a systematic investigation for this parasitic effect and its origin.
Ferdinand-Braun-Institut für Höchstfrequenztechnik, D-12489 Berlin, Germany
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