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JOURNALS // Preprints of the Keldysh Institute of Applied Mathematics // Archive

Keldysh Institute preprints, 2020 109, 18 pp. (Mi ipmp2900)

Validation of stochastic algorithm for generation of a turbulent velocity fluctuation field based on the randomized spectral method

A. V. Alexandrov, L. W. Dorodnicyn, A. P. Duben, D. R. Kolyukhin


Abstract: The validation of the stochastic spectral algorithmfor generation of a turbulent velocity fluctuation fields based on the randomized spectral method is presented. The validation of the considered algorithm is done on simulation of two canonical turbulent flows (turbulent planar channel flow and flow over the flat plate) and flow over a wall-mounted hump.

Keywords: synthetic turbulence, randomized spectral method, IDDES, flow over wall-mounted hump.

DOI: 10.20948/prepr-2020-109



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