Spheroidal FDTD Method for Modeling 3-D Structures in Open and Closed Domains

被引：1
|
作者：
Al-Hasson, Saif A. [1 ]
Schoebel, Joerg [1 ]
机构：
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Hochfrequenztech, D-38106 Braunschweig, Germany
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 07期
关键词：
Finite difference time domain (FDTD); spheroidal cavities; spheroidal patch; ALGORITHM; BOUNDARY;
D O I：
10.1109/TAP.2015.2424249
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A finite difference time domain (FDTD) method for analyzing spheroidal open and closed structures is introduced. Its mathematical equations are derived and discretized according to a designed geometrical model. The field's singularities at the domain's center and vertical axis are dealt with by deriving alternative field formulas. The method is then extended to open domains by deriving an absorbing boundary condition (ABC). The stability of the obtained model is determined by deriving its mathematical condition. Finally, the method is used to characterize spheroidal cavities and a conformal patch antenna.
引用
收藏
页码：3055 / 3064
页数：10
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