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A new technique for a parallel dealiased pseudospectral Navier-Stokes code. (English) Zbl 1041.76055
The paper introduces a new idea for efficient parallelization of Fourier-Galerkin pseudospectral methods when applied to Navier-Stokes equations. The method is based on a dealiased transposition of data, such that the fast Fourier transform can operate solely on the local processor memory. Numerical examples show the high parallel efficiency of the approach. Possible generalizations to geometrically more complex situations (only cubic domains are considered) are not discussed.

MSC:
76M22 Spectral methods applied to problems in fluid mechanics
76D05 Navier-Stokes equations for incompressible viscous fluids
65Y05 Parallel numerical computation
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