The efficient analysis of cylindrical resonators using a modified FDTD method

C J Railton

doi:10.1049/cp:19940084

The efficient analysis of cylindrical resonators using a modified FDTD method

C J Railton

Research output: Chapter in Book/Report/Conference proceeding › Chapter in a book

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

Original language	English
Title of host publication	IEE Second International Conference on Computation in Electromagnetics
Publisher	Institution of Engineering and Technology (IET)
Pages	331 - 334
ISBN (Print)	0852966091
DOIs	https://doi.org/10.1049/cp:19940084
Publication status	Published - Apr 1994

Keywords

resonators
finite difference time-domain analysis
cylindrical metal structures

Access to Document

10.1049/cp:19940084

http://hdl.handle.net/1983/1055

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Cite this

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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",

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AB - 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

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KW - finite difference time-domain analysis

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