An effective CFS-PML implementation for 2-D WLP-FDTD method

Xiaoli Xi; Yun Fang; Jiangfan Liu; Zhongbo Zhu

doi:10.1587/elex.12.20150191

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An effective CFS-PML implementation for 2-D WLP-FDTD method

Xiaoli Xi, Yun Fang, Jiangfan Liu, Zhongbo Zhu

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Keywords: complex-frequency-shifted (CFS), perfectly matched layer (PML), Weighted-Laguerre-polynomials (WLP), finite-difference time-domain (FDTD)

JOURNAL FREE ACCESS

2015 Volume 12 Issue 7 Pages 20150191

DOI https://doi.org/10.1587/elex.12.20150191

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Abstract

A stretched-coordinate (SC) based complex-frequency-shifted perfectly matched layer (CFS-PML) is presented for the two-dimensional Weighted-Laguerre-polynomials (WLP) finite-difference time-domain (FDTD) method. The proposed CFS-PML is background medium independent, and can be easily extended to dispersive medium. Numerical examples show the effectiveness of the proposed CFS-PML in truncating both air and dispersive medium.

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