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Parameterization of Small Scales of Three-Dimensional Isotropic Turbulence Utilizing Spectral Closures
Publisher: American Meteorological Society
Abstract: A spectral equation derived from two-point closures applied to three-dimensional isotropic turbulence is studied from the subgrid-scale modeling point of view, with a cutoff wavenumber kc located in the inertial range of ...
Large-Eddy Simulation of a katabatic jet along a convexly curved slope. Part 1: statistical results.
Publisher: American Meteorological Society
Abstract: arge Eddy Simulation is performed to study a katabatic jet along a convexly curved slope with a maximum angle of about 35.5°. The design of this numerical simulation of turbulent shear flow is discussed and a qualitative ...
The Formation and Destruction of Inversion Layers within a Deep Valley
Publisher: American Meteorological Society
Abstract: The technique of large-eddy simulations has been used to investigate thermally driven local circulations in deep valleys for a complete diurnal cycle. A soil model simulates the thermal forcing at the ground, which depends ...