One-step leapfrog WCS-FDTD for drude dispersive models

A one-step leapfrog weakly conditionally stable finite-difference time-domain method for modelling drude dispersive models is developed. Numerical results show that its stability condition remains invariant with respect to that in lossless media. The new algorithm is applied to efficiently investiga...

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Veröffentlicht in:	Electronics letters 2019-02, Vol.55 (4), p.172-174
Hauptverfasser:	Gao, Jian-Yun, Wang, Xiang-Hua, Teixeira, Fernando L
Format:	Artikel
Sprache:	eng
Schlagworte:	Antennas and propagation drude dispersive models electromagnetic wave propagation finite difference time‐domain analysis finite‐difference time‐domain method frequency selective surfaces graphene numerical results one‐step leapfrog stability condition step leapfrog WCS‐FDTD
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Zusammenfassung:	A one-step leapfrog weakly conditionally stable finite-difference time-domain method for modelling drude dispersive models is developed. Numerical results show that its stability condition remains invariant with respect to that in lossless media. The new algorithm is applied to efficiently investigate the transmission properties of a graphene sheet and a graphene-based frequency selective surface.
ISSN:	0013-5194 1350-911X 1350-911X
DOI:	10.1049/el.2018.7644