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Mathematical Models and Computer Simulations
Published in: Mathematical Models and Computer Simulations 3/2020

01-05-2020

Generation of Three-Dimensional Homogeneous Isotropic Turbulent Velocity Fields Using the Randomized Spectral Method

Authors: A. V. Alexandrov, L. W. Dorodnicyn, A. P. Duben

Published in: Mathematical Models and Computer Simulations | Issue 3/2020

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Abstract

This work studies a stochastic method for the generation of artificial three-dimensional, divergence-free, homogeneous, and isotropic velocity fields. The technique is based on the randomized spectral method. The statistical and spectral properties of turbulent fields constructed by this generator are analyzed. A validation LES-based computation which uses the obtained turbulent fields as initial conditions, demonstrates good agreement of the results with the experimental data.
previous article Study of the Influence of the Temperature Field’s Nonuniformity on the Pressure Pulsations in the Inlet Duct Using the RANS/ILES Method
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Metadata
Title
Generation of Three-Dimensional Homogeneous Isotropic Turbulent Velocity Fields Using the Randomized Spectral Method
Authors
A. V. Alexandrov
L. W. Dorodnicyn
A. P. Duben
Publication date
01-05-2020
Publisher
Pleiades Publishing
Published in
Mathematical Models and Computer Simulations / Issue 3/2020
Print ISSN: 2070-0482
Electronic ISSN: 2070-0490
DOI
https://doi.org/10.1134/S2070048220030047

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