Advanced Numerical Strategy for the Prediction of Unsteady Flow Aerodynamics Around Complex Geometries

Abstract

The present work focuses on an advanced numerical methodology named ZIBC standing for Zonal Immersed Boundary Conditions and enabling to account for realistic configurations at high Reynolds numbers. This coupling between a modelling method with a high level of maturity regarding the prediction of turbulent separated flows namely the Zonal Detached Eddy Simulation (ZDES) and Immersed Boundary Conditions (IBC) is detailed. Such a numerical strategy is applied to complex configurations dealing with external and internal aerodynamics namely a full space launcher configuration in the transonic regime and a supersonic air inlet in the subcritical regime before the buzz phenomenon occurs.