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. Semaan, R.: Optimal sensor placement using machine learning (2017)
  2. Semaan, Richard; Kumar, Pradeep; Burnazzi, Marco; Tissot, Gilles; Cordier, Laurent; Noack, Bernd R.: Reduced-order modelling of the flow around a high-lift configuration with unsteady Coanda blowing (2016)
  3. Gauger, Nicolas; Walther, Andrea; Özkaya, Emre; Moldenhauer, Carsten: Efficient aerodynamic shape optimization by structure exploitation (2012)
  4. Gauger, Nicolas R.: Efficient deterministic approaches for aerodynamic shape optimization (2008)
  5. Krause, Martin; Ballmann, Josef: Numerical investigation of hypersonic intake flows (2008)
  6. Fazzolari, Antonio; Gauger, Nicolas R.; Brezillon, Joël: Efficient aerodynamic shape optimization in MDO context (2007)
  7. Herrmann, U.: Multiple discipline take-off weight minimization for a supersonic transport aircraft (2007)
  8. König, Benedikt; Pätzold, Martin; Lutz, Thorsten; Krämer, Ewald: Shock control bumps on flexible and trimmed transport aircraft in transonic flow (2007)
  9. Krause, Martin; Reinartz, Birgit; Ballmann, Josef: Numerical investigation and simulation of transition effects in hypersonic intake flows (2007)
  10. 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)
  11. Krumbein, A.; Krimmelbein, N.: Navier-Stokes high-lift airfoil computations with automatic transition prediction using the DLR TAU code (2007)
  12. Reimer, L.; Braun, C.; Ballmann, J.: Computational study of the aeroelastic equilibrium configuration of a swept wind tunnel wing model in subsonic flow (2007)
  13. Schwarz, Thorsten: RANS simulations with one and six degrees of freedom rigid body motions (2007)
  14. Wild, Jochen; Dettmar, Holger: Manipulation of attachment line transition by geometry modification at the slat of a multi-element airfoil (2007)
  15. Eisfeld, Bernhard: Numerical simulation of aerodynamic problems with a Reynolds stress turbulence model (2006)
  16. Heinrich, Ralf: Implementation and usage of structured algorithms within an unstructured CFD-code (2006)
  17. Herrmann, U.: Numerical design of a low-noise high-lift system for a supersonic aircraft (2006)
  18. Hübner, A.-R.: Numerical determination of dynamic derivatives for transport aircraft (2006)
  19. Krumbein, A.: Navier-Stokes airfoil computations with automatic transition prediction using the DLR TAU code -- a sensitivity study (2006)
  20. Le Chuiton, Frédéric: Chimera simulation of a complete helicopter with rotors as actuator discs (2006)

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