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Comparison of static and dynamic fluid-structure interaction solutions in the case of a highly flexible modern transport aircraft wing
ONERA, DDSS/MS, BP72, 92322 Châtillon Cedex, France.
ONERA, DDSS/MS, BP72, 92322 Châtillon Cedex, France.
DASSAULT Aviation, DGT/DTA/IAP, 92214, Saint-Cloud Cedex, France.
BAE Systems, Aerodynamic Technology Dept., Brough, E. Yorks, United Kingdom.
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2003 (English)In: Aerospace Science and Technology, ISSN 1270-9638, Vol. 7, no 2, 121-133 p.Article in journal (Refereed) Published
Abstract [en]

This paper describes the computational work performed by five of the fifteen partners in the Brite-Euram project UNSI, for the prediction of static aeroelastic configurations and dynamic flutter response at transonic conditions, using advanced time-domain fluid-structure coupling methods. The aerodynamic models, mechanical models, and coupling strategies implemented in the different solvers are presented. A code to code validation of the fluid-structure coupled solvers has been achieved in the case of the highly flexible MDO wing. The coupled codes have each been used first for the computation of steady state flow and static deformations at different flight conditions. The investigation of flutter has been carried out for off-design, heavy-cruise flight conditions, using time-consistent numerical simulations. Dynamic responses have been recorded and compared for stable and flutter conditions. © 2002 Éditions scientifiques et médicales Elsevier SAS. All rights reserved.

Place, publisher, year, edition, pages
2003. Vol. 7, no 2, 121-133 p.
Keyword [en]
Dynamic aeroelasticity, Fluid-structure coupling, Flutter prediction, Numerical simulation, Static aeroelasticity, Transonic flows
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-46707DOI: 10.1016/S1270-9638(02)00007-XOAI: diva2:267603
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-13

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