Markus Schatz, Bert Günther Nomenclature Introduction Numerical simulation method Turbulence modeling Transition Computational mesh Meshes for the 2d Gurney modifications Mesh for the 3d-Gurney Time stepping Boundary conditions Mean flow properties Unsteady flow structures in the wake Modified Gurney-flaps Two-dimensional modifications Splitter-plate (c) Twin bars (d) Triple bars (e) Wake bodies (f+g) Comparison to experiments Three-dimensional investigations Results of Detached Eddy Simulations Three-dimensional modifications Summary Acknowledgment Bibliography About this document ... Markus Schatz 2004-07-08