A new multilevel subgridding scheme for two-dimensional FDTD method

Shu Hai Sun; T.m. Choi

doi:10.1109/TMAG.2004.824911

A new multilevel subgridding scheme for two-dimensional FDTD method

Shu Hai Sun^*, T.m. Choi

^*Corresponding author for this work

Institute of Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

A multilevel finite difference time domain (FDTD) subgridding scheme coupled with interpolation based on finite difference approximation to the Laplacian operator is presented. In order to model a structure with small components using FDTD method, the accuracy of the results can be improved by utilizing a new multilevel FDTD subgridding scheme. In this scheme, an FD-Laplacian interpolation is applied in both the coarse main grids and the subgrids to further reduce the error. The validation of the scheme is tested by computing the resonant frequencies of two cavities and solving a scattering problem. The results are compared with solutions for traditional FDTD and other FDTD subgridding schemes published in the literature.

Original language	English
Pages (from-to)	1025-1028
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	40
Issue number	2 II
DOIs	https://doi.org/10.1109/TMAG.2004.824911
State	Published - 1 Mar 2004

Keywords

FDTD
Interpolation
Multilevel
Subgridding

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10.1109/TMAG.2004.824911

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title = "A new multilevel subgridding scheme for two-dimensional FDTD method",

abstract = "A multilevel finite difference time domain (FDTD) subgridding scheme coupled with interpolation based on finite difference approximation to the Laplacian operator is presented. In order to model a structure with small components using FDTD method, the accuracy of the results can be improved by utilizing a new multilevel FDTD subgridding scheme. In this scheme, an FD-Laplacian interpolation is applied in both the coarse main grids and the subgrids to further reduce the error. The validation of the scheme is tested by computing the resonant frequencies of two cavities and solving a scattering problem. The results are compared with solutions for traditional FDTD and other FDTD subgridding schemes published in the literature.",

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AU - Choi, T.m.

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N2 - A multilevel finite difference time domain (FDTD) subgridding scheme coupled with interpolation based on finite difference approximation to the Laplacian operator is presented. In order to model a structure with small components using FDTD method, the accuracy of the results can be improved by utilizing a new multilevel FDTD subgridding scheme. In this scheme, an FD-Laplacian interpolation is applied in both the coarse main grids and the subgrids to further reduce the error. The validation of the scheme is tested by computing the resonant frequencies of two cavities and solving a scattering problem. The results are compared with solutions for traditional FDTD and other FDTD subgridding schemes published in the literature.

AB - A multilevel finite difference time domain (FDTD) subgridding scheme coupled with interpolation based on finite difference approximation to the Laplacian operator is presented. In order to model a structure with small components using FDTD method, the accuracy of the results can be improved by utilizing a new multilevel FDTD subgridding scheme. In this scheme, an FD-Laplacian interpolation is applied in both the coarse main grids and the subgrids to further reduce the error. The validation of the scheme is tested by computing the resonant frequencies of two cavities and solving a scattering problem. The results are compared with solutions for traditional FDTD and other FDTD subgridding schemes published in the literature.

KW - FDTD

KW - Interpolation

KW - Multilevel

KW - Subgridding

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EP - 1028

JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

IS - 2 II

ER -

A new multilevel subgridding scheme for two-dimensional FDTD method

Abstract

Keywords

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