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A Class of Finite Difference Time Domain (FDTD) Techniques for Solving Large Electromagnetic Structures

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1 Author(s)
Abd-El-Raouf, H.E. ; Dept. of Electr. & Comput. Eng., Int. Islamic Univ. Malaysia, Kuala Lumpur

In this paper we present different FDTD techniques which we have developed for solving large electromagnetic structures. The first technique is the M3d24 which is a low dispersion FDTD technique. In this scheme the higher order FDTD updating equations is modified and derived as applications of a version of Ampere's law and Faraday's law using central 2nd order in time and 4th order in space. The second technique is the FDTD hybrid "M3d24-Yee" with subgridding. This scheme is based on applying the conventional FDTD in the vicinity of the structure using a high resolution grid and the M3d 24 method in the rest of the domain using low resolution grid. The third technique is domain decomposition FDTD (DDFDTD) which is based on dividing the 1structure into relatively small sub-regions and applying the FDTD in a serial manner. The fourth technique is the serial parallel FDTD which is based on applying the DDFDTD and the parallel FDTD using MPI functions along two orthogonal directions

Published in:

RF and Microwave Conference, 2006. RFM 2006. International

Date of Conference:

12-14 Sept. 2006