Abstract
The structure of the turbulence plays a dynamically important role during the distortion of homogeneous turbulence by mean deformation, especially in non-equilibrium flows. Some of the most important shortcomings of standard one-point eddy-viscosity and Reynolds Stress Transport (RST) models are caused by the lack of structure information in these models. In Large Eddy Simulations (LES) local homogeneity is usually assumed by most sub-grid scale (SGS) models and the distortion of sub-grid turbulence by the large eddies is like the distortion of homogeneous turbulence by mean deformation. Therefore our understanding of how the evolution of the Reynolds stresses is influenced by the turbulence structure can provide valuable insights for SGS modeling.
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References
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© 1999 Springer-Verlag
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Kassinos, S.C., Reynolds, W.C. (1999). Insights for LES from structure-based turubulence modeling. In: Biringen, S., Örs, H., Tezel, A., Ferziger, J.H. (eds) Industrial and Environmental Applications of Direct and Large-Eddy Simulation. Lecture Notes in Physics, vol 529. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0106091
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DOI: https://doi.org/10.1007/BFb0106091
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