Browsing by Subject "Spectral acceleration (SA)"

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    Fast integral equation techniques for propagation problems
    (IEEE, 2004-09) Babaoğlu, Barış; Tunç, Celal A.; Altıntaş, Ayhan; Ertürk, Vakur B.
    In this paper, the Method of Moments (MoM) solution is achieved for scattering problems by using the stationary Spectrally Accelerated Forward-Backward method (FBSA) and the non-stationary Spectrally Accelerated BiConjugate Gradient Stabilized (SA-BiCGSTAB) method, with a storage requirement and a computational cost of O(N) per iteration where N is the number of surface unknowns in the discretized integral equation. The SA-BiCGSTAB method is applied over rough terrain profiles as well as re-entrant surfaces which can not be handled by any conventional stationary iterative technique.