Author:
Jang Sangeun,Baek Jae-Woo,Cho Jeahoon,Jung Kyung-Young
Abstract
The finite-difference time-domain (FDTD) method has been widely used for the electromagnetic wave analysis of complex media. Conventional FDTD analyses of very thin two-dimensional (2D) dispersive materials require overwhelming computing resources because they should use very refined FDTD spatial grids. In this work, we propose a computationally efficient and unified FDTD formulation for 2D dispersive materials based on a combination of the generalized sheet transition condition (GSTC) and the modified Lorentz dispersion model. The proposed FDTD formulation can lead to a significant improvement in computational efficiency compared to the conventional FDTD method, while maintaining high accuracy. Numerical examples validate the improved computational efficiency of the proposed FDTD formulation.
Funder
Institute of Information and Communications Technology Planning and Evaluation
Ministry of Science and ICT
Publisher
Korean Institute of Electromagnetic Engineering and Science
Subject
Electrical and Electronic Engineering,Computer Networks and Communications,Instrumentation,Radiation
Cited by
2 articles.
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