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Numerical Dispersion Relation for the 2-D ADI-FDTD Method  

주세훈 (한양대학교 전자전기공학부)
김형동 (한양대학교 전자전기공학부)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.40, no.5, 2003 , pp. 181-186 More about this Journal
Abstract
This paper presents a numerical dispersion relation for the two-dimensional finite-difference time-domain method based on the alternating-direction implicit time-marching scheme(2-D ADI-FDTD), which method has the potential to considerably reduce tile number of time iterations especially in case where the fine spatial lattice relative to the wavelength is used to resolve fine geometrical features. The proposed analytical relation for 2-D ADI-FDTD is compared with those relations in the Previous works. Through numerical tests, the dispersion equation of this work was shown as correct one for 2-D ADI-FDTD.
Keywords
2-D ADI FDTD; Dispersion relation; FDTD;
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