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Multibody simulation of an oscillating aeroelastic wing model

Arnold, Jürgen and Einarsson , Gunnar and Krüger, Wolf (2009) Multibody simulation of an oscillating aeroelastic wing model. NAFEMS International Journal of CFD case studies, Volume 8, pp. 5-18. ISSN 1462-236X

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The central challenge is to simulate the time-accurate aeroelastic coupling of the flexible wing model of a transport aircraft with a non-linear aerodynamic solver in forced oscillations of large amplitude which are superimposed by rigid body motions. The rigid motions introduce flight mechanical aspects to the aeroelastic simulation. The simulation platform described in this work is one of two investigated variants in the DLR project SikMa and is charcterized by the use of a multibody system (MBS) to account for the elastic structure as well as the flight mechanics and its loose coupling to the computational fluid dynamics (CFD) software. The exchanged data is interpolated with a commercial mesh coupling tool and transferred through an internet socket allowing a distributed computational environment. Simulations for the wind tunnel setup of the wing model cover the prediction of the aeroelastic state of equilibrium and forced oscillations for heave and pitch excitations. In the case of equilibrium, the simulation results are partially compared to wind tunnel data.

Item URL in elib:https://elib.dlr.de/62117/
Document Type:Article
Title:Multibody simulation of an oscillating aeroelastic wing model
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Einarsson , GunnarDLR, Institute of Aerodynamics and Flow Technology, BraunschweigUNSPECIFIED
Date:December 2009
Journal or Publication Title:NAFEMS International Journal of CFD case studies
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Volume:Volume 8
Page Range:pp. 5-18
Keywords:aeroelasticity, fluid-structure-flight mechanics coupling, elastic multibody system, loose coupling, distributed computational environment
HGF - Research field:Aeronautics, Space and Transport
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:28 Jan 2010 16:57
Last Modified:07 Feb 2013 19:44

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