Journal
COMPUTERS & FLUIDS
Volume 32, Issue 1, Pages 97-108Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0045-7930(01)00098-6
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In this paper a multilayer feed-forward neural network (NN) is used as subgrid scale (SGS) model in a large eddy simulation (LES). The NN was previously off-line trained using numerical data generated by a LES of a channel flow at Re-t = 180 with Bardina's scale similar (BFR) SGS model. Results show the ability of NNs to identify and reproduce the highly nonlinear behavior of the turbulent flows, and therefore the possibility of using NN techniques in numerical simulations of turbulent flows. (C) 2002 Elsevier Science Ltd. All rights reserved.
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