Journal of the Nigerian Association of Mathematical Physics

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Alternating Direction Implicit Finite Difference Time Domain Acoustic Wave Algorithm

E Ikata


A time domain numerical technique is presented for the modelling of acoustic wave phenomena. The technique is an adaptation of the alternating direction implicit finite difference time domain method. The stability condition for the algorithm is given. Simple illustrations of propagation in an infinite homogeneous medium are provided which reveal the influence of the Courant number on a simulation and the basic attributes of the algorithm.

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