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Modified Z-transform-based FDTD algorithm for the anisotropic perfectly matched layer

✍ Scribed by Jianxiong Li; Jufeng Dai

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 143 KB
Volume: 21
Category: Article
ISSN: 0894-3370
DOI: 10.1002/jnm.666

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✦ Synopsis

Abstract

A modified Z‐transform‐based algorithm for implementing the D‐H anisotropic perfectly matched layer (APML) is presented for truncating the finite‐difference time‐domain (FDTD) lattices. The main advantage is that, as compared with the previous Z‐transform‐based implementation for the D‐H APML, the proposed algorithm requires less auxiliary variables in the PML regions, and thus the memory requirement and the computational time are saved. These formulations are simple and independent of the material properties of the FDTD computational domain. Two numerical tests have been carried out to validate these formulations. Copyright © 2007 John Wiley & Sons, Ltd.

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