A spherical higher-order finite-difference time-domain algorithm with perfectly matched layer

被引:0
|
作者
刘亚文 [1 ]
陈亦望 [1 ]
张品 [1 ]
刘宗信 [1 ]
机构
[1] National Key Laboratory on Electromagnetic Environment and Electro-optical Engineering,PLA University of Science and Technology
基金
中国国家自然科学基金;
关键词
higher-order finite-difference time-domain; spherical coordinates; stability; numerical dispersion; perfectly matched layer;
D O I
暂无
中图分类号
O241.82 [偏微分方程的数值解法];
学科分类号
070102 ;
摘要
A higher-order finite-difference time-domain(HO-FDTD) in the spherical coordinate is presented in this paper. The stability and dispersion properties of the proposed scheme are investigated and an air-filled spherical resonator is modeled in order to demonstrate the advantage of this scheme over the finite-difference time-domain(FDTD) and the multiresolution time-domain(MRTD) schemes with respect to memory requirements and CPU time. Moreover, the Berenger’s perfectly matched layer(PML) is derived for the spherical HO-FDTD grids, and the numerical results validate the efficiency of the PML.
引用
收藏
页码:170 / 180
页数:11
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