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Numerical Prediction of Dynamic Derivatives for Lifting Bodies with a Navier-Stokes Solver

Giese, P. and Heinrich, R. and Radespiel, R. (1998) Numerical Prediction of Dynamic Derivatives for Lifting Bodies with a Navier-Stokes Solver. STAB-Symposium, Berlin (de), 11.11.1998.

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Abstract

Standard technique for the prediction of dynamic derivatives is the use of wind tunnel simulations with expensive technical equipment and complex data processing. Numerical flow computations, on the other hand, can simulate arbitrary model motion and hence, all desired derivatives are directly accessible. The prediction of dynamic derivatives with the help of an efficient Navier-Stokes solver is investigated in the present work. The assessment is performed for a lifting body that represents the X-24A experimental vehicle. Comparisons with wind tunnel and flight test data indicate good agreement. We can demonstrate that the numerical approach requires resonably low computation resources.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Numerical Prediction of Dynamic Derivatives for Lifting Bodies with a Navier-Stokes Solver
Authors:
AuthorsInstitution or Email of Authors
Giese, P.UNSPECIFIED
Heinrich, R.UNSPECIFIED
Radespiel, R.UNSPECIFIED
Date:1998
Status:Published
Keywords:X-38, Navier-Stokes, dynamic derivatives, code validation, transonic flow, unsteady flow
Event Title:STAB-Symposium, Berlin (de), 11.11.1998
Organizer:DGLR/AG STAB
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Zukünftige Raumtransporter - Entwurf und Simulationsmethoden für Raumtransporter (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Institut für Entwurfsaerodynamik
Deposited By: Claudia Grant
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 19:56

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