Abstract
A novel variant of subgrid dissipation that may be used in LES methods is described and tested. The corresponding mathematical model, based on the quasi-gasdynamic equations differs from the Navier-Stokes system by additional nonlinear dissipative terms. This model is applied to the two-dimensional numerical simulation of the laminar-turbulent transition in a backward-facing step flow in subsonic regime.
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Elizarova, T.G., Nikolskii, P.N., Lengrand, J.C. (2008). A New Variant of Subgrid Dissipation for LES Method and Simulation of Laminar-Turbulent Transition in Subsonic Gas Flows. In: Peng, SH., Haase, W. (eds) Advances in Hybrid RANS-LES Modelling. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 97. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77815-8_30
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DOI: https://doi.org/10.1007/978-3-540-77815-8_30
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-77813-4
Online ISBN: 978-3-540-77815-8
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