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Effective Permittivity Scheme for ADI-FDTD Method at the Interface of Dispersive Media

机译:色散介质界面上ADI-FDTD方法的有效介电方案

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摘要

This paper presents an effective permittivity scheme to treat the dispersive media interfaces in ADI-FDTD method so as to avoid significant error due to improper assignment of media permittivity. In order to reduce the extra memory storage and computation operation required, a reduced-order modeling method is introduced to our scheme, which can simplify the programming work as well and therefore has a significant practical meaning. One numerical experiment will be performed to illustrate the procedure and effect of this effective permittivity scheme. The stability analysis of the updating equations will also be discussed.
机译:本文提出了一种有效的介电常数方案来处理ADI-FDTD方法中的分散介质界面,从而避免了由于介电常数分配不当而导致的重大误差。为了减少所需的额外存储和计算操作,我们的方案引入了降阶建模方法,该方法也可以简化编程工作,因此具有重要的实际意义。将进行一个数值实验,以说明此有效介电常数方案的过程和效果。还将讨论更新方程的稳定性分析。

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