电波科学学报2001，Vol.16Issue(1)：22-24,29,4.
FDTD中的一种新截断边界-STWBC
Standing-traveling wave boundary condition (STWBC) for finite-difference time-domain mesh truncation
谭怀英 1梁甸农 1刘克成1
作者信息
- 1. 国防科技大学电子工程学院，湖南 长沙 410073
- 折叠
摘要
Abstract
Standing-Traveling Wave Boundary Condition (STWBC) is developedto truncate the computational domain without reflection. The perfect electric conducting (PEC) termination was used. Unlike the PML, no additional absorbing region surrounding the domain of interest is needed. With STWBC, the standing wave on the boundary is transformed to the traveling wave, and creates no reflections. Numerical examples demonstrate that the FDTD implementation of the STWBC technique is stable, and independent of the incident angle of the outwardly traveling wave. As Compared to PML, it allows us to obtain a little lower accuracy but a great release of computational requirements, thus it is more computationally efficient for a big target.关键词
时域有限差分 驻波-行波边界 单向波边界 PML边界分类
信息技术与安全科学引用本文复制引用
谭怀英,梁甸农,刘克成..FDTD中的一种新截断边界-STWBC[J].电波科学学报,2001,16(1):22-24,29,4.
