LARGE-EDDY SIMULATIONS

17 junho 2022, 17:00 • Carlos Frederico Neves Bettencourt da Silva

The concept of LES. Scale separation. Filter properties. Box, Cut-off and Gaussian filters. Application to the Navier-Stokes equations. Subrid-scale stresses. Kinetic energy dynamics of the large and small scales. Structural modelling. The Smagorinsky model. The dynamic Smagorinsky model. Functional modelling. Analysis and validation of LES. Limitations of LES. Problems.