数值色散改进的四步LOD-FDTD方法

2016 Asia-Pacific Microwave Conference (APMC) Pub Date : 2016-12-01 DOI:10.1109/APMC.2016.7931281

A. K. Saxena, K. V. Srivastava

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引用次数: 1

摘要

提出了数值色散改进的四步局部一维时域有限差分(ILOD4-FDTD)方法。该方法利用控制参数减小四步LOD-FDTD (LOD4-FDTD)方法的数值色散。研究了该方法在不同时间步长和不同网格尺寸下的性能，发现在每个时间步长和网格尺寸下，该方法的数值色散都小于LOD4-FDTD方法。

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Numerical dispersion improved four-step LOD-FDTD method

In this paper, numerical dispersion improved four-step locally one-dimensional finite-difference time-domain (ILOD4-FDTD) method is proposed. The proposed method uses control parameters to reduce the numerical dispersion of the four-step LOD-FDTD (LOD4-FDTD) method. Performance of the proposed method with different time-steps and mesh-sizes is studied here, and it is found out that for every time-step and mesh-size, the proposed method gives less numerical dispersion than the LOD4-FDTD method.

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2016 Asia-Pacific Microwave Conference (APMC)

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