Direct and Large Eddy Simulation of Turbulence: Proceedings by N. Gilbert, L. Kleiser (auth.), Ulrich Schumann, Rainer

By N. Gilbert, L. Kleiser (auth.), Ulrich Schumann, Rainer Friedrich (eds.)

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Additional info for Direct and Large Eddy Simulation of Turbulence: Proceedings of the EUROMECH Colloquium No. 199, München, FRG, September 30 to October 2, 1985

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K . 1 f. -'" 10 . 100. Fig. 2 - GENCE's experiment - Initial time Pressure (2e) and transfer (2f) subgrid terms for t¥22 - - "exact" subgrid term - . - modelled subgrid term ---- modelled subgrid term with k4 terms removed 50 10. i P~~/2k2 cp 11 Fi g. 2g ~ ". ~\ \ 1. 01 100. 10 . 1 i S~~/2k2

Krause), Lecture Notes in Physics 148, 268-279, Springer-Verlag. [32J May, C. L. & Kleiser, 1. 1985 Numerical simulation of subharmonic transition in plane Poiseuille flow, Bull. Amer. Phys. Soc. 30, 1748. 36 SUBGRID SCALE MODELS FOR HOMOGENEOUS ANISOTROPIC' TURBULENCE B. AUPOIX ONERA/CERT Department of Aerothermodynamics 2 avenue Edouard Belin - 31055 TOULOUSE Cedex (FRANCE) SUMMARY A statistical model is used to study the subgrid scale modelling problem for homogeneous turbulence. Pressure and transfer effects of the subgrid scales are modelled for wavenumbers small relative to the filter cut.

01 100. J. lis~i/2k2 CPu 10. - 100. 10 . Fig. ~ / ~ ,,-"'\ - \ \ k 1. 1 1. 10. 100. Fig. p 11 - - "exact" subgrid term _ . - modelled subgrid term ---- modelled subgrid term with k4 terms removed 49 1. 1 Fig. ----- - . '\ . 01 k -'"'. , ,, . 01 100. 1 1. 10 . iS~~/2k2 Cf22 100. Fig. 2f / 10. _ . . '. ~--- '- \ \ 1. k . 1 f. -'" 10 . 100. Fig. 2 - GENCE's experiment - Initial time Pressure (2e) and transfer (2f) subgrid terms for t¥22 - - "exact" subgrid term - . - modelled subgrid term ---- modelled subgrid term with k4 terms removed 50 10.

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