MEGADESIGN and MegaOpt - German Initiatives for Aerodynamic Simulation and Optimization in Aircraft Design Results of the closing symposium of the MEGADESIGN and MegaOpt projects, Braunschweig, Germany, 23 - 24 May, 2007 - Kroll, Norbert; Schwamborn, Dieter; Becker, Klaus; Rieger, Herbert; Thiele, Frank (Springer Berlin Heidelberg, 2009)