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Simulation of Interaction of Aircraft and Gust Using the TAU-Code

Heinrich, Ralf (2014) Simulation of Interaction of Aircraft and Gust Using the TAU-Code. In: New Results in Numerical and Experimental Fluid Mechanics IX Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 124. Springer Verlag. pp. 503-511. ISBN 978-3-319-03157-6. ISSN 1612-2909.

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Two different methods for modeling of gusts have been implemented into the CFD-code TAU. The first one is the so called disturbance velocity approach, a simplified method which allows predicting the influence of a gust on the aircraft, but not the influence of the aircraft aerodynamics on the shape of the gust. Alternatively, an unsteady boundary condition has been implemented to feed in the gust into the flow field. Thereby the mutual interaction of gust and aircraft is captured. Both methods are compared in order to access the validity range of the simplified approach. A result is that for gust wavelength larger than two reference chords the agreement of the highly accurate method and simplified approach is good. For such a case the simplified approach has been used to simulate the interaction of a generic fighter aircraft with a lateral gust. Here, the reaction of the aircraft due to the additional loads has been taken into account by coupling of aerodynamics and flight-mechanics.

Item URL in elib:https://elib.dlr.de/91151/
Document Type:Contribution to a Collection
Title:Simulation of Interaction of Aircraft and Gust Using the TAU-Code
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Journal or Publication Title:New Results in Numerical and Experimental Fluid Mechanics IX
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 503-511
EditorsEmailEditor's ORCID iD
Dillmann, AndreasDLR GöttingenUNSPECIFIED
Heller, GerdAirbus DeutschlandUNSPECIFIED
Krämer, EwaldUniversität StuttgartUNSPECIFIED
Kreplin, Hans-PeterDLR GöttingenUNSPECIFIED
Nitsche, WolfgangTU BerlinUNSPECIFIED
Rist, UlrichUniverstität StuttgartUNSPECIFIED
Publisher:Springer Verlag
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Keywords:Böen-Modellierung, Böen-Interaktion
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Seyfried, Beate
Deposited On:20 Oct 2014 11:54
Last Modified:27 Feb 2015 11:25

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