Improved Surface Impedance Absorbing Boundary for FDTD Method

被引：0
|
作者：
Mao, Yunlong [1 ]
Jiang, Tao [1 ]
Elsherbeni, Atef Z. [2 ]
机构：
[1] Harbin Engn Univ, Coll Informat & Commun Engn, Harbin 150001, Peoples R China
[2] Colorado Sch Mines, Dept Elect Engn & Comp Sci, Golden, CO 80401 USA
来源：
2016 IEEE/ACES INTERNATIONAL CONFERENCE ON WIRELESS INFORMATION TECHNOLOGY AND SYSTEMS (ICWITS) AND APPLIED COMPUTATIONAL ELECTROMAGNETICS (ACES) | 2016年
关键词：
ABCS; Collocation; FDTD; SIABC; IMPLEMENTATION;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
An improved absorbing boundary condition for terminating finite-difference time-domain (FDTD) simulations, based on the surface impedance concept, is proposed in this paper. The improved method uses E component collocation instead of the H component collocation as in [1]. The performance of the two SIABCs and 10-layers CPML are discussed with a 3D example which employed these absorbing boundary conditions (ABCs) in the calculation of RCS of a dielectric sphere. The computer resources requirements are also discussed. The compared result indicates that both the SIABCs have a comparable absorbing performance with 10-layers CPML, and the E component collocated SIABC has a better absorbing performance relative to H component collocated SIABC.
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页数：2
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