Turbulent Transition with LES with the Wall-Adapting Local Eddy-Viscosity Model

Large-eddy simulation (LES) is investigated for turbulent transition in a wall-bounded boundary layer. Behaviors of subgrid-scale models in the transition have not been fully understood yet. The wall-adapting local eddy-viscosity (WALE) model is of the interest in this study. The WALE model formulation is investigated in connection with flow structures in laminar, transitional and turbulent boundary layers. The boundary layer stability theory is used for the LES inlet, providing dominant disturbances in the pre-transitional boundary layer.