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Matem. Mod., 2021, Volume 33, Number 7, Pages 35–46 (Mi mm4302)  

Generation of anisotropic turbulent velocity fields based on the randomized spectral method

A. V. Alexandrova, L. W. Dorodnicynb, A. P. Dubena, D. R. Kolyukhinc

a Keldysh Institute for Applied Mathematics of RAS
b Lomonosov Moscow State University
c Trofimuk Institute of Petroleum Geology and Geophysics, Siberian Branch of RAS

Abstract: In this study, the algorithm of the generation of synthetic divergence-free, anisotropic turbulent velocity fields is suggested. The simulation method is based on the use of the Randomized Spectral Method. A validation LES computation of developed turbulent flow in the channel, using velocity fields generated with the help of the proposed method, demonstrates good agreement with the DNS data.

Keywords: synthetic turbulence, Randomized Spectral Method.

DOI: https://doi.org/10.20948/mm-2021-07-03

Full text: PDF file (451 kB)
First page: PDF file
References: PDF file   HTML file

Received: 24.11.2020
Revised: 06.04.2021
Accepted:19.04.2021

Citation: A. V. Alexandrov, L. W. Dorodnicyn, A. P. Duben, D. R. Kolyukhin, “Generation of anisotropic turbulent velocity fields based on the randomized spectral method”, Matem. Mod., 33:7 (2021), 35–46

Citation in format AMSBIB
\Bibitem{AleDorDub21}
\by A.~V.~Alexandrov, L.~W.~Dorodnicyn, A.~P.~Duben, D.~R.~Kolyukhin
\paper Generation of anisotropic turbulent velocity fields based on the randomized spectral method
\jour Matem. Mod.
\yr 2021
\vol 33
\issue 7
\pages 35--46
\mathnet{http://mi.mathnet.ru/mm4302}
\crossref{https://doi.org/10.20948/mm-2021-07-03}


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