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[4, 2013] 

Journal of Electrical Engineering, Vol 64, 4 (2013) 212-221 DOI: 10.2478/jee-2013-0031

ON SOME STRATEGIES FOR COMPUTER SIMULATION OF THE WAVE PROPAGATION USING FINITE DIFFERENCES I. ONE–DIMENSIONAL FDTD METHOD

Ľubomír Šumichrast

   Some strategies used in the computer simulation of wave phenomena by means of finite differences in time-domain (FDTD) method are reviewed and discussed here. It is shown that the wave equation in discretised form possesses different properties in comparison with the true differential formulation. In this part the issues of stability and numerical dispersion are thoroughly investigated for the one-dimensional case represented here by waves on transmission lines and transversal electromagnetic waves.

Keywords: wave phenomena, computer simulation


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