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Development of the Three-Dimensional Unconditionally Stable LOD-FDTD Method

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4 Author(s)
Ahmed, I. ; Electromagn. Syst. Dept., Inst. of High Performance Comput., Singapore ; Eng-Kee Chua ; Er-Ping Li ; Zhizhang Chen

A three-dimensional unconditionally-stable locally-one-dimensional finite-difference time-domain (LOD-FDTD) method is proposed and is proved unconditionally stable analytically. In it, the number of equations to be computed is the same as that with the conventional three-dimensional alternating direction implicit FDTD (ADI-FDTD) but with reduced arithmetic operations. The reduction in arithmetic operations leads to approximately 20% less computational time in comparisons with the ADI-FDTD method.

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Antennas and Propagation, IEEE Transactions on  (Volume:56 ,  Issue: 11 )