A three-dimensional FDTD subgridding algorithm based on interpolation of current density

Kai Xiao*, David J. Pommerenke, James L. Drewniak

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftKonferenzartikel

Abstract

A three-dimensional snbgridding algorithm for the Finite Difference Time Domain (FDTD) method is proposed in this paper. The method is based on interpolation of electric and magnetic current densities. The coarse-fine mesh ratio can be either 1:2 or 1:3. Results of a test model utilizing a lossless cavity excited with a dipole show no tendency of instability after 500,000 time steps. The reflection in time domain at the subgridding interface was calculated to test the accuracy of the subgridding algorithm.

Originalspracheenglisch
Seiten (von - bis)118-123
Seitenumfang6
FachzeitschriftIEEE International Symposium on Electromagnetic Compatibility
Jahrgang1
PublikationsstatusVeröffentlicht - 8 Okt 2004
Extern publiziertJa
Veranstaltung2004 IEEE International Symposium on Electromagnetic Compatibility: EMC 2004 - Santa Clara, USA / Vereinigte Staaten
Dauer: 9 Aug 200413 Aug 2004

ASJC Scopus subject areas

  • !!Condensed Matter Physics
  • !!Electrical and Electronic Engineering

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