Divergence of electric field or the two-dimensional (2-D) leapfrog ADI-FDTD method

Divergence of electric field or the two-dimensional (2-D) leapfrog ADI-FDTD method

This paper present the analysis for the divergence of electric field for the two-dimensional (2-D) transverse electric (TE) leapfrog alternating-direction-implicit finite-difference time-domain (ADI-FDTD) method. The divergence of electric field for the leapfrog ADI-FDTD method is analyzed by using...

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Bibliographic Details
Main Authors: Gan, Theng Huat, Tan, Eng Leong
Other Authors: School of Electrical and Electronic Engineering
Format: Conference or Workshop Item
Language:English
Published: 2013
Subjects:
DRNTU::Engineering::Electrical and electronic engineering
Online Access:https://hdl.handle.net/10356/101253
http://hdl.handle.net/10220/16321
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Institution: Nanyang Technological University
Language: English
Description
Summary:This paper present the analysis for the divergence of electric field for the two-dimensional (2-D) transverse electric (TE) leapfrog alternating-direction-implicit finite-difference time-domain (ADI-FDTD) method. The divergence of electric field for the leapfrog ADI-FDTD method is analyzed by using the plane wave method for the dispersion relation but with additional steps to determine the homogeneous solutions. Numerical results for the divergence of electric field are presented. Unlike the conventional explicit FDTD method, the 2-D leapfrog ADI-FDTD method s not divergence free in a source free region.

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