Abstract
Homogeneous turbulence is simulated for neutrally and stably stratified shear flow by means of DNS and LES. Two models for the subgrid-scale motions in LES are used, a modified version of Smagorinsky’s closure, where the influence of mean shear on the subgrid scales is neglected, and a first-order closure for the subgrid-scale kinetic energy. The paper discusses results produced by both the DNS and the two versions of LES.
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© 1994 Springer Science+Business Media Dordrecht
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Gerz, T., Palma, J.M.L.M. (1994). Sheared and Stably Stratified Homogeneous Turbulence: Comparison of DNS and LES. In: Voke, P.R., Kleiser, L., Chollet, JP. (eds) Direct and Large-Eddy Simulation I. Fluid Mechanics and Its Applications, vol 26. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1000-6_13
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DOI: https://doi.org/10.1007/978-94-011-1000-6_13
Publisher Name: Springer, Dordrecht
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