LOD-BOR-FDTD Algorithm for Analyzing Debye Dispersive Media by Bilinear Z Transforms

Pin Zhang


In order to reduce memory usage and improve efficiency, the unconditionally stable locally 1-D (LOD)-FDTD method for bodies of revolution (BOR) is extended to Debye dispersive media based on the bilinear Z transform (BZT) theory. The LOD-BOR-FDTD method is proposed. To validate the Higher efficiency and Lower memory usage of the proposed algorithm, two numerical examples are given. Compared with the 3-D FDTD and ADI-BOR-FDTD result, they show good agreement and at least 80% of computational time to the ADI counterparts.

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DOI: https://doi.org/10.5539/mas.v5n4p118

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