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Comments on the fractional step method. (English) Zbl 0840.76057
The author shows that the fractional step method is fundamentally a method for advancing the solution in time, the analysis performed by such methods cannot be divorced from spatial discretization of various spatial operators. He clears up two of the most vexing questions accompanying traditional fractional step methods.

MSC:
76M20 Finite difference methods applied to problems in fluid mechanics
76D05 Navier-Stokes equations for incompressible viscous fluids
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