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Aero-elastic Multipoint Optimization using the Coupled Adjoint Approach

Abu-Zurayk, Mohammad and Brezillon, Joel (2012) Aero-elastic Multipoint Optimization using the Coupled Adjoint Approach. 18. DGLR-Fach-Symposium der STAB, 06-07 Nov 2012, Stuttgart, Germany.

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Official URL: http://www.dlr.de/as/desktopdefault.aspx/tabid-652/1104_read-1678/

Abstract

In the aircraft design process, several flight conditions that cover the flight envelop has to be considered, where the wing’s structure behaves differently at these different flight conditions. Considering the structural behavior during the design optimization is computationally expensive, therefore an efficient approach is required when optimizing aero-structural systems. The coupled adjoint approach which is efficiently employed in gradient-based optimizations was previously developed at DLR and successfully applied for optimizing coupled aero-structural systems with highfidelity flow and structure solvers. This new study employs the coupled adjoint approach to perform a proof-of-concept multipoint aero-elastic optimization. The optimized design is then compared to another design resulting from a single point optimization and proved to have a better overall performance.

Item URL in elib:https://elib.dlr.de/78550/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Aero-elastic Multipoint Optimization using the Coupled Adjoint Approach
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Abu-Zurayk, Mohammadmohammad.abu-zurayk (at) dlr.deUNSPECIFIED
Brezillon, Joeljoel.brezillon (at) dlr.deUNSPECIFIED
Date:2012
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:Jahresbericht 2012
Page Range:pp. 40-41
Series Name:STAB-Mitteilung
Status:Published
Keywords:Wing’s aero-elasticity, gradient-based optimization, multipoint optimization, viscous flow, coupled adjoint
Event Title:18. DGLR-Fach-Symposium der STAB
Event Location:Stuttgart, Germany
Event Type:national Conference
Event Dates:06-07 Nov 2012
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 - Flight Physics (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Transport Aircraft
Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Abu-Zurayk, Mohammad
Deposited On:15 Nov 2012 11:04
Last Modified:30 Apr 2013 14:43

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