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The efficient analysis of cylindrical resonators using a modified FDTD method

Research output: Chapter in Book/Report/Conference proceedingChapter in a book

  • C J Railton
Original languageEnglish
Title of host publicationIEE Second International Conference on Computation in Electromagnetics
Publisher or commissioning bodyInstitution of Electrical Engineers (IEE)
Publication dateApr 1994
Pages331 - 334
ISBN (Print)0852966091
DOIs
StatePublished

Abstract

The author describes a method of efficiently and accurately treating cylindrical metal structures whose feature sizes are similar to or smaller than the unit cell size of the FDTD mesh and he has demonstrated the accuracy obtainable for the particular example of a centre fed dipole. It is possible to apply the same technique to dielectric boundaries or to metal edges and corners by choosing suitable functions for the asymptotic field variation. Thus a single unified algorithm can be applied to a wide variety of geometric details. The application of this technique to a complex structure involving wires, narrow slots, and dielectric boundaries is presented

Research areas

  • resonators, finite difference time-domain analysis, cylindrical metal structures

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