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Accuracy of the frequency-domain TLM method and its application to microwave circuits

✍ Scribed by J. Hesselbarth; R. Vahldieck

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
161 KB
Volume
15
Category
Article
ISSN
0894-3370

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✦ Synopsis

Abstract

This paper investigates the accuracy and convergence of frequency‐domain (FD) TLM solutions and describes a method to identify non‐physical solutions. The numerical dispersion characteristics of various discretization schemes (‘nodes’) are compared. The occurrence of non‐physical solutions when solving three‐dimensional problems is discussed and a method to identify the non‐physical solutions is described. The accuracy of the FDTLM method is shown to be of second order as long as singularities are absent, whereas it is between first and second order if the computational domain includes field singularities. Copyright © 2002 John Wiley & Sons, Ltd.

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