ADI-WEPML: Unconditionally stable PML algorithm for truncating WE-FDTD domains

被引：5

作者：

Ramadan, O ^{[1
]}

机构：

[1] Eastern Mediterranean Univ, Dept Comp Engn, Mersin 10, Turkey

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2006年 / 48卷 / 06期

关键词：

alternating direction implicit (ADI); finite difference time domain (FDTD); perfectly matched layer (PML); scalar wave-equation;

D O I：

10.1002/mop.21591

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：

Efficient and unconditionally stable perfectly matched layer (PML) formulations are presented for truncating the scalar wave-equation finite-difference time-domain (WE-FDTD) grids. The proposed formulations are based on incorporating the alternathig-direction-implicit FDTD (ADI-FDTD) scheme into the scalar wave-equation derived in the PML region at the domain boundaries. A numerical example carried out in the 2D domain is included and it is observed that the lime step of the proposed formations is not bounded but the CFL stability limit of the conventional WE-FDTD algorithm, but by the required accracy level. (c) 2006 Wiley Periodicals, hic.

引用

页码：1029 / 1032

页数：4

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