A study of the numerical dispersion relation for the 2-D ADI-FDTD method |
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| Authors: | Saehoon Ju Hyeongdong Kim Hyung-Hoon Kim |
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| Affiliation: | Dept. of Electr. & Comput. Eng., Hanyang Univ., Seoul, South Korea; |
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| Abstract: | This letter presents a numerical dispersion relation for the two-dimensional (2-D) finite-difference time-domain method based on the alternating-direction implicit time-marching scheme (2-D ADI-FDTD). 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. |
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