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Progress In Electromagnetics Research Letters
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ONE-STEP LEAPFROG ADI-FDTD METHOD FOR LOSSY MEDIA AND ITS STABILITY ANALYSIS

By J.-Y. Gao and H.-X. Zheng

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Abstract:
A one-step leapfrog alternating-direction-implicit finite-difference time-domain (ADI-FDTD) method for lossy media is presented. Different from the method provided by others, the proposed method is originated from the conventional ADI-FDTD method instead of considering the leapfrog ADI-FDTD method as a perturbation of the conventional explicit FDTD method. Its unconditional stability is analytically proven through a method that combines the von Neumann method with the Jury criterion. In addition, its unconditional stability and computational efficiency are verified through numerical experiments.

Citation:
J.-Y. Gao and H.-X. Zheng, "One-Step Leapfrog Adi-FDTD Method for Lossy Media and its Stability Analysis," Progress In Electromagnetics Research Letters, Vol. 40, 49-60, 2013.
doi:10.2528/PIERL12110213
http://www.jpier.org/pierl/pier.php?paper=12110213

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