3D Crank-Nicolson finite difference time domain method for dispersive media

H. K. Rouf, F. Costen, S. G. Garcia

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The unconditionally stable Crank-Nicolson finite difference time domain (CN-FDTD) method is extended to incorporate frequency-dependent media in three dimensions. A Gaussian-elimination-based direct sparse solver is used to deal with the large sparse matrix system arising from the formulation. Numerical results validate and confirm that the scheme is unconditionally stable for time steps over the Courant-Friedrich-Lewy limit of classical FDTD. © The Institution of Engineering and Technology 2009.
    Original languageEnglish
    Pages (from-to)961-962
    Number of pages1
    JournalElectronics Letters
    Volume45
    Issue number19
    DOIs
    Publication statusPublished - 2009

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