The funding of the presented investigations within the LuFo VI-1 project CATeW (Coupled Aerodynamic Technologies for Aircraft Wings, FKZ: 20E1917B) by the German Federal Ministry for Economic Affairs and Climate Action (BMWK) is gratefully acknowledged. Furthermore, the authors deeply appreciate the German Aerospace Center (DLR) for providing the DLR TAU code used for the numerical HiFi - investigations. Moreover, the authors would like to thank the Gauss Centre for Supercomputing e.V.