Minimizing FDTD domains with hybrid TAB and PML boundaries

被引：0
|
作者：
Peng, J
Balanis, CA [1 ]
机构：
[1] Arizona State Univ, Dept Elect Engn, Ctr Telecommun Res, Tempe, AZ 85287 USA
[2] Motorola Inc, Semicond Prod Sector, Wireless Infrastruct Syst Div, Tempe, AZ USA
来源：
ELECTROMAGNETICS | 2002年 / 22卷 / 06期
关键词：
transparent absorbing boundary; TAB; hybridization;
D O I：
10.1080/02726340290084049
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：
Two reflection free absorbing boundary conditions, Transparent Absorbing Boundary (TAB) and Perfectly Matched Layers (PML), are hybridized to truncate a three-dimensional (3D) FDTD (Finite Difference Time Domain) grid. The TAB allows the field absorption to take place inside the domain of interest so that the magnitude of fields becomes very small when they reach the PML. Few layers of PML are then needed to terminate the computational domain. Such a hybrid application minimizes the computer memory requirement. Numerical results are presented in the paper, along with discussions on issues such as computational efficiency and numerical dispersion.
引用
收藏
页码：453 / 459
页数：7
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