一种新的低色散[2,2]有限差分方法

Workshop on Computational Electromagnetics in Time-Domain, 2005. CEM-TD 2005. Pub Date : 2007-10-29 DOI:10.1109/CEMTD.2007.4373515

C. Bommaraju, R. Schuhmann, T. Weiland

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引用次数: 1

摘要

给出了一种新颖的(2,2)修正时域有限差分(MFDTD)方法的色散关系和收敛性，该方法具有四阶收敛性和良好的宽带特性。并与标准时域有限差分法和方(4,4)时域有限差分法的精度进行了比较。给出了MFDTD和FDTD的收敛特性。我们在em - td 2005中提出了二维MFDTD。这里我们将MFDTD扩展到3-D。

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A novel low-dispersive [2,2] finite difference method

The dispersion relation and convergence of a novel (2,2) modified finite-difference time-domain (MFDTD) method, which has fourth order convergence and excellent broadband characteristics, are presented. Accuracy of MFDTD is compared with that of standard FDTD and Fang (4,4) FDTD. The Convergence characteristics of the MFDTD and the FDTD are also furnished. We have presented MFDTD in 2-D in CEM-TD 2005. Here we extend MFDTD to 3-D.

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来源期刊

Workshop on Computational Electromagnetics in Time-Domain, 2005. CEM-TD 2005.

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