An efficient two-step CPML for 3-D LOD-FDTD

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Conference Proceeding
IEEE iWEM 2013 - 2013 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, 2013, pp. 163 - 166
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In this paper, we present a two-step convolutional perfectly matched layer (CPML) absorbing boundary condition for implicit locally 1-D finite difference time domain (LOD-FDTD) method for analysing 3-D microwave structures. We also derive a modified two-step LOD-FDTD algorithm which we will denote as C-LOD-FDTD. A comparison with the standard FDTD demonstrates the advantages of the proposed C-LOD-FDTD CPML method in terms of lighter calculation burden and higher efficiency. Numerical results on 3-D microwave structures using the proposed method are also presented. © 2013 IEEE.
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