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Three-dimensional angle-optimized FDTD algorithms for large-scale problems

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4 Author(s)
Shumin Wang ; Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA ; Teixeira, F.L. ; Lee, R. ; Jin-Fa Lee

We describe a 3D angle-optimized FDTD (AO-FDTD) algorithm to minimize the dispersion error around pre-assigned angles. Because of the 3D Cartesian grid symmetry, the optimization occurs at each octant concurrently. This algorithm is of particular interest for some large-scale FDTD simulations where the dispersion error around a limited angular span should be minimized, while the overall isotropy is not critical.

Published in:

Antennas and Propagation Society International Symposium, 2003. IEEE  (Volume:4 )

Date of Conference:

22-27 June 2003

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