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Perfectly matched layer media for an unconditionally stable three-dimensional ADI-FDTD method

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2 Author(s)
Gang Liu ; Dept. of Electr. Eng., Kentucky Univ., Lexington, KY, USA ; Gedney, S.D.

A split field perfectly matched layer (PML) medium is introduced for the three-dimensional (3-D) alternating direction implicit (ADI) formulation of the finite-difference time-domain (FDTD) method. It is demonstrated that the ADI-FDTD method remains unconditionally stable with the inclusion of the PML. The effectiveness of the absorbing medium as a function of the time step is also demonstrated

Published in:

Microwave and Guided Wave Letters, IEEE  (Volume:10 ,  Issue: 7 )