Abstract
Large Eddy Simulations are used to compute atmospheric thermal circulations in complex terrain. The subgrid models are based either on the Smagorinsky formulation or on a subgrid kinetic energy equation. They are tested in a convective boundary layer and then used in a comparison with available measurements. The formulation with the subgrid kinetic energy gives as good results as the Smagorinsky formulation, but with more information available from the subgrid energy. The large eddy simulation of the atmosphere in a deep valley allows reproduction of the diurnal cycle of thermal winds and the progression of the inversion layer.
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© 1997 Springer Science+Business Media Dordrecht
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Guilbaud, C., Chollet, J.P., Anquetin, S. (1997). Large Eddy Simulations of Stratified Atmospheric Flows Within a Deep Valley. In: Chollet, JP., Voke, P.R., Kleiser, L. (eds) Direct and Large-Eddy Simulation II. ERCOFTAC Series, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5624-0_15
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DOI: https://doi.org/10.1007/978-94-011-5624-0_15
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