Application of the MEGAFLOW software at DLR. The present contribution outlines several selected applications of the MEGAFLOW software at DLR, roughly according to the time-frame of the MEGAFLOW II project from 1998 ? 2002. The majority of the applications is based on 3-dimensional viscous computations featuring the solution of the compressible Reynolds-averaged Navier-Stokes equation in combination with one or two transport equation turbulence models. The examples highlight a quite broad range of applications. This refers to onflow speed as well as to the mode of application, covering analysis as well as design and optimization tasks. In general a clear trend in the use of the MEGAFLOW system becomes visible. On the one hand the analyses of very specific flow and/or aircraft details on overall configurations of increasing complexity is carried out. On the other hand more design and optimization applications are requested. For both types of applications the MEGAFLOW software has become an indispensable tool for the aerodynamic and also multi-disciplinary tasks of DLR.

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  1. Gauger, Nicolas; Walther, Andrea; Özkaya, Emre; Moldenhauer, Carsten: Efficient aerodynamic shape optimization by structure exploitation (2012)
  2. Gauger, Nicolas R.: Efficient deterministic approaches for aerodynamic shape optimization (2008)
  3. Fazzolari, Antonio; Gauger, Nicolas R.; Brezillon, Joël: Efficient aerodynamic shape optimization in MDO context (2007)
  4. Kroll, Norbert; Gauger, Nicolas R.; Brezillon, Joël; Dwight, Richard; Fazzolari, Antonio; Vollmer, Daniel; Becker, Klaus; Barnewitz, Holger; Schulz, Volker; Hazra, Subhendu: Flow simulation and shape optimization for aircraft design (2007)
  5. Eisfeld, Bernhard: Numerical simulation of aerodynamic problems with a Reynolds stress turbulence model (2006)
  6. Heinrich, Ralf: Implementation and usage of structured algorithms within an unstructured CFD-code (2006)
  7. Herrmann, U.: Numerical design of a low-noise high-lift system for a supersonic aircraft (2006)
  8. Hübner, A.-R.: Numerical determination of dynamic derivatives for transport aircraft (2006)
  9. Le Chuiton, Frédéric: Chimera simulation of a complete helicopter with rotors as actuator discs (2006)
  10. Melber-Wilkending, S.: Aerodynamic analysis of jet-blast using CFD considering as example a hangar and an AIRBUS A380 configuration (2006)
  11. Melber-Wilkending, S.; Schrauf, G.; Rakowitz, M.: Aerodynamic analysis of flows with low Mach- and Reynolds-number under consideration and forecast of transition on the example of a glider (2006)
  12. Rossow, C.-C.; Kroll, N.; Schwamborn, D.: The MEGAFLOW project - numerical flow simulation for aircraft (2006)
  13. Wild, Joehen; Schmidt, Oliver T.: Prediction of attachment line transition for a high-lift wing based on two-dimensional flow calculations with RANS-solver (2006)
  14. Windte, Jan; Scholz, Ulrich; Radespiel, Rolf: Validation of the RANS-simulation of laminar separation bubbles on airfoils (2006)
  15. Fassbender, Jens K.: Robust and efficient computation of turbulent flows around civil transport aircraft at flight Reynolds numbers (2005)
  16. Gauger, N.R.; Brezillon, J.: The continuous adjoint approach in aerodynamic shape optimization (2005)
  17. Hazra, S.B.; Schulz, V.; Brezillon, J.; Gauger, N.R.: Aerodynamic shape optimization using simultaneous pseudo-timestepping (2005)
  18. Raddatz, Jochen; Fassbender, Jens K.: Block structured Navier-Stokes solver FLOWer (2005)
  19. Rudnik, R.: Application of the MEGAFLOW software at DLR (2005)
  20. Brezillon, J.; Gauger, N.R.: 2D and 3D aerodynamic shape optimisation using the adjoint approach (2004)

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