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Sensitivity Evaluation For Efficient Aerodynamic Shape Optimization With Aeroelastic Constraints

Fazzolari, A. and Gauger, N.R. and Brezillon, J. (2004) Sensitivity Evaluation For Efficient Aerodynamic Shape Optimization With Aeroelastic Constraints. In: CD. ECCOMAS 2004, Jyväskylä (fi), 24.-28.07.2004.

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Abstract

Multidisciplinary analysis is necessary to reach physically meaningful optimum designs. For aerostructural shape optimization this means coupling two disciplines - aerodynamics and structural mechanics. In this paper the sensitivity evaluation for aerodynamic shape optimization is considered, while taking into account the aeroelastic effects introduced by the variations in the aerodynamic forces, which are again generated by changes in the aerodynamic shape parameters. Due to the high computational cost of a finite difference evaluation step for such a coupled problem, an extension of the adjoint formalism to aeroelasticity is necessary for an efficient calculation of the sensitivities. Our task is to implement and validate this method using the software developed in-house at the DLR Braunschweig.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004,
Title:Sensitivity Evaluation For Efficient Aerodynamic Shape Optimization With Aeroelastic Constraints
Authors:
AuthorsInstitution or Email of Authors
Fazzolari, A.UNSPECIFIED
Gauger, N.R.UNSPECIFIED
Brezillon, J.UNSPECIFIED
Date:2004
Journal or Publication Title:CD
Status:Published
Keywords:Aeroelastic, optimization, adjoint, multidisciplinary, structure, wing
Event Title:ECCOMAS 2004, Jyväskylä (fi), 24.-28.07.2004
Organizer:ECCOMAS
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L ST - Starrflüglertechnologien
DLR - Research theme (Project):L - Concepts & Integration
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Claudia Grant
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:38

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