Auflistung nach Schlagwort "Stable boundary layer"

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Addressing the Grid-Size Sensitivity Issue in Large-Eddy Simulations of Stable Boundary Layers

Dai, Yi; Basu, Sukanta; Maronga, Björn; de Roode, Stephan R. (Dordrecht [u.a.] : Springer Science + Business Media B.V, 2020)

We have identified certain fundamental limitations of a mixing-length parametrization used in a popular turbulent kinetic energy-based subgrid-scale model. Replacing this parametrization with a more physically realistic ...
An Improved Surface Boundary Condition for Large-Eddy Simulations Based on Monin–Obukhov Similarity Theory: Evaluation and Consequences for Grid Convergence in Neutral and Stable Conditions

Maronga, Björn; Knigge, Christoph; Raasch, Siegfried (Dordrecht : Springer Netherland, 2019)

Monin–Obukhov similarity theory is used in large-eddy simulation (LES) models as a surface boundary condition to predict the surface shear stress and scalar fluxes based on the gradients between the surface and the first ...
An Investigation of the Grid Sensitivity in Large-Eddy Simulations of the Stable Boundary Layer

Maronga, Björn; Li, Dan (Dordrecht [u.a.] : Springer Science + Business Media B.V, 2021)

We revisit the longstanding problem of grid sensitivity, i.e., the lack of grid convergence in large-eddy simulations (LES) of the stable boundary layer. We use a comprehensive set of LES of the well-known Global Energy ...

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