A New Boundary Closure Scheme for the Multiresolution Time-Domain (MRTD) Method

被引：1

作者：

Yao, Pengfei ^{[1
]}

Zhao, Shan ^{[1
]}

机构：

[1] Univ Alabama, Dept Math, Tuscaloosa, AL 35487 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2011年 / 59卷 / 09期

基金：

美国国家科学基金会;

关键词：

Convergence of numerical methods; finite difference time domain methods; IMAGE TECHNIQUE; PSTD ALGORITHM; ORDER; IMPLEMENTATION;

D O I：

10.1109/TAP.2011.2161441

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：

This paper introduces a novel boundary closure treatment for the wavelet based multiresolution time-domain (MRTD) solution of Maxwell's equations. Accommodating non-trivial boundary conditions, such as the Robin condition or time dependent condition, has been a challenging issue in the MRTD analysis of wave scattering, radiation, and propagation. A matched interface and boundary (MIB) method is introduced to overcome this difficulty. Several numerical benchmark tests are carried out to validate the MIB boundary scheme. The proposed boundary treatment can also be applied to other high order finite-difference time-domain (FDTD) approaches, such as the dispersion-relation-preserving (DRP) method. The MIB boundary scheme greatly enhances the feasibility for applying the MRTD methods to more complicated electromagnetic structures.

引用

页码：3305 / 3312

页数：8

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