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An improved subgridding method with the second-order accurate FDTD technique at the dielectric interface

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2 Author(s)
Hai Ding ; School of Electronic and Information Engineering, South China University of Technology, Guangzhou, Guangdong, China ; Qing-Xin Chu

The second-order accurate FDTD technique at the dielectric interface is applied into the subgridding method. The second-order accuracy of the tangential electric fields at the interface can be implemented and the accuracy of the subgridding algorithm is improved. Numerical simulations of dielectric resonators are carried out and the better accuracy is shown in the proposed method than the standard FDTD methods.

Published in:

Electromagnetic Compatibility and 19th International Zurich Symposium on Electromagnetic Compatibility, 2008. APEMC 2008. Asia-Pacific Symposium on

Date of Conference:

19-23 May 2008