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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2019-07-15
A General ADE -FDTD with Crank-Nicolson Scheme for the Simulation of Dispersive Structures
By
Shi-Yu Long,

    Dr. Shi-Yu Long

    School of Information Engineering

    Lingnan Normal University

    China

    Homepage

Wei-Jun Chen,

    Dr. Wei-Jun Chen

    School of Information Engineering

    Lingnan Normal University

    China

    Homepage

Qi-Wen Liang,

    Dr. Qi-Wen Liang

    School of Information Engineering

    Lingnan Normal University

    China

    Homepage

Min Zhao

    Dr. Min Zhao

    School of Information Engineering

    Lingnan Normal University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 86, 1-6, 2019
doi:10.2528/PIERL19040801 | Google Scholar

Abstract
A general auxiliary differential equation (ADE) finite difference time-domain (FDTD) method with Crank-Nicolson (CN) scheme is proposed to model electromagnetic wave propagation in dispersive materials in this paper. The proposed method introduces an ADE technique that establishes the relationship between the electric displacement vector and electric field intensity with a differential equation in dispersive media. The CN scheme applies only to Faraday's law, resulting in reduced memory usage and computing time. To validate the advantages of the proposed approach, two examples with plane wave propagation in dispersive media are calculated. Compared with the conventional ADE-CN-FDTD method, the results from our proposed method show its accuracy and efficiency for dispersive media simulation.
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Citation
Shi-Yu Long, Wei-Jun Chen, Qi-Wen Liang, and Min Zhao, "A General ADE -FDTD with Crank-Nicolson Scheme for the Simulation of Dispersive Structures," Progress In Electromagnetics Research Letters, Vol. 86, 1-6, 2019.
doi:10.2528/PIERL19040801
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