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Aeroelastic Effects in Multibody Dynamics

Krüger, W. and Spieck, M. (2004) Aeroelastic Effects in Multibody Dynamics. Vehicle System Dynamics, Vol. 41 (No. 5), pp. 383-399.

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To enable a realistic assessment of the aeroelastic phenomena of aircraft, a simultaneous application of computational fluid dynamics (CFD), computational structural mechanics and flight mechanics has to be performed. Each discipline has developed powerful specialized tools which have to be adapted for multidisciplinary applications. The combination of CFD and elastic multibody systems is well suited for the simulation of a range of aircraft applications, especially for aircraft ground dynamics. Approaches to a coupling of elastic multibody systems and computational fluid dynamics have been performed using close coupling, that is a modal approach, and loose coupling, that is by co-simulation. In the article the applied programs and the coupling methods are presented. Advantages and limits of using multibody simulation as compared to the direct use of FEA methods for the representation of structural dynamics are discussed. Results of coupled steady and unsteady simulations are presented. Finally, an approach to the aeroelastic trim problem is shown.

Item URL in elib:https://elib.dlr.de/14470/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=2004,
Title:Aeroelastic Effects in Multibody Dynamics
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Journal or Publication Title:Vehicle System Dynamics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Volume:Vol. 41
Page Range:pp. 383-399
Keywords:multibody dynamics, aeroelasticity, multidisciplinary simulation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flexible Aircraft (old)
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: Erdmann, Daniela
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 21:53

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