Subcell Modelling of Frequency Dependent Thin Layers in the FDTD Method

Kenan Tekbas, Fumie Costen, Jean Pierre Bérenger, Ryutaro Himeno, Hideo Yokota

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    Abstract

    A subcell modelling technique for frequency dependent thin layers in finite-difference time-domain (FDTD) method is introduced. The proposed method is based on the application of the integral form of the Maxwell-Ampere equation and the solution of a set of auxiliary equations to advance the field components. It has the ability to handle one or several frequency dependent thin layers embedded in a frequency dependent medium without solving high-order differential equations. To validate our proposed method, we compare the obtained results with analytical solutions and with numerical references in both time domain and frequency domain.
    Original languageEnglish
    Pages (from-to)278 - 286
    JournalIEEE Transactions on Antennas and Propagation
    Volume65
    Issue number1
    Early online date15 Nov 2016
    DOIs
    Publication statusPublished - Jan 2017

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