A Study of FDTD Parallel Algorithm for Anisotropic Media with Dyadic Permittivity and Permeability

YANG Li-xia; GE De-biao; WEI Bing; ZHENG Kui-song; GE Ning

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A Study of FDTD Parallel Algorithm for Anisotropic Media with Dyadic Permittivity and Permeability

更新时间：2025-07-16

- A Study of FDTD Parallel Algorithm for Anisotropic Media with Dyadic Permittivity and Permeability
- Acta Electronica Sinica Vol. 34, Issue 9, Pages: 1703-1707(2006)
- 作者机构：
  
  1. 西安电子科技大学物理系,陕西,西安,710071
  2. 清华大学电子工程系,北京,100084
  3. 西安电子科技大学物理系陕西西安,710071
  4. 清华大学电子工程系北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN011+.5
- Published Online：25 September 2006，
  
  Published：2006
- 稿件说明：
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YANG Li-xia, GE De-biao, WEI Bing, et al. A Study of FDTD Parallel Algorithm for Anisotropic Media with Dyadic Permittivity and Permeability[J]. Acta Electronica Sinica, 2006, 34(9): 1703-1707.
DOI：

YANG Li-xia, GE De-biao, WEI Bing, et al. A Study of FDTD Parallel Algorithm for Anisotropic Media with Dyadic Permittivity and Permeability[J]. Acta Electronica Sinica, 2006, 34(9): 1703-1707. DOI：

摘要

研究并实现了三维电与磁本构参数均为各向异性介质时的时域有限差分(ANI-FDTD)并行算法.根据电磁各向异性介质时域有限差分(ANI-FDTD)迭代式

电场和磁场某一节点场值的计算均涉及到其周围邻近28个场分量节点值.详细分析了该情况下各向异性介质时域有限差分(ANI-FDTD)并行算法中的数据通讯规律.通过采用相邻子域重叠半个网格的区域划分方式

传递分界面两边相关节点的场值

实现了局域网内各节点机的协同并行计算.数值计算结果表明了该算法和程序的正确性.

Abstract

A three-dimensional finite-difference time-domain (FDTD) parallel algorithm for an anisotropic media (ANI-FDTD parallel algorithm) is presented

with dyadic permittivity and permeability on a distributed network by using the message passing module.According to the FDTD formulation of anisotropic medium

28 nodes are involved when the electric or magnetic field component at one node is calculated.The FDTD iterative computation at each sub-domain can be progressing successfully providing the field component values of interrelated nodes near the sub-domain interface communicate appropriately.The distribution of 28 related nodes is indicated and the way of message passing for field components between sub-domains in ANI-FDTD parallel computing are analyzed in details.The numerical results show the feasibility of presented scheme.

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