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Linearized Unsteady CFD for Gust Loads with TAU

Weigold, Wolfgang and Stickan, Bernd and Travieso-Alvarez, Inocencio and Kaiser, Christoph and Teufel, Patrick (2017) Linearized Unsteady CFD for Gust Loads with TAU. In: IFASD 2017 - International Forum on Aeroelasticity and Structural Dynamics. IFASD 2017 - International Forum on Aeroelasticity and Structural Dynamics, 25.-28. Jun. 2017, Como, Italien. ISBN 978-88-97576-28-0

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Abstract

For decades panel methods have been used in the industrial context to compute the unsteady aerodynamic model for gust load purposes. Additionally corrections with wind tunnel and/or steady CFD data have been applied to overcome the shortcomings of the panel methods, especially in the transonic regime. With the aim to compute a more realistic unsteady aerodynamic model without corrections, computational fluid dynamics (CFD) should replace the panel methods in the future. Due to the large computational costs of CFD, an important enabler for the direct usage of unsteady CFD in the industrial context is linearized CFD. These codes allow computing harmonic motion and harmonic gusts directly in the frequency domain, preventing expansive unsteady computations in the time domain. See [2] and [3] for the here used TAU code and the included linearized frequency domain (LFD) solver from the German Aerospace Center (DLR). In this research the complete aerodynamic model for the standard gust load process has been computed with TAU-LFD. Tau‐LFD provides frequency dependent aerodynamic data in half‐generalized form, which can be introduced in a straightforward manner into the existing standard gust process.

Item URL in elib:https://elib.dlr.de/114654/
Document Type:Conference or Workshop Item (Speech)
Title:Linearized Unsteady CFD for Gust Loads with TAU
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Weigold, WolfgangAirbus GermanyUNSPECIFIED
Stickan, BerndAirbus GermanyUNSPECIFIED
Travieso-Alvarez, InocencioAltran Deutschland SAS & Co KGUNSPECIFIED
Kaiser, ChristophChristoph.Kaiser (at) dlr.dehttps://orcid.org/0000-0001-9156-8352
Teufel, PatrickAirbus GermanyUNSPECIFIED
Date:2017
Journal or Publication Title:IFASD 2017 - International Forum on Aeroelasticity and Structural Dynamics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
ISBN:978-88-97576-28-0
Status:Published
Keywords:gust, CFD
Event Title:IFASD 2017 - International Forum on Aeroelasticity and Structural Dynamics
Event Location:Como, Italien
Event Type:international Conference
Event Dates:25.-28. Jun. 2017
Organizer:Politechnico Milano, Department of Aerospace Science and Technology
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
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity > Aeroelastic Simulation
Deposited By: Kaiser, Christoph
Deposited On:23 Oct 2017 10:47
Last Modified:09 Feb 2018 11:48

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