Numerical dispersion characteristics and stability factor for the TD-FD method
- 29 March 1990
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 26 (7) , 485-487
- https://doi.org/10.1049/el:19900315
Abstract
The relationship between the stability factor and the numerical dispersion characteristics for the TD-FD method using the leap-frog approximation of Maxwell's curl equations has been investigated. It is necessary to use a value close to the highest acceptable value of the stability factor to minimise the dispersion effect.Keywords
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