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Aerodynamic Shape Optimization using Adjoint Method

Gauger, N. (2001) Aerodynamic Shape Optimization using Adjoint Method. Minisymposium 'Numerical Methods in Shape Optimization' at the SIAM-EMS Conference 2001, Berlin (de), 02.-06.09.2001.

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Abstract

Numerical shape optimization will play a strategic role for future aircraft design. It offers the possibility of designing or improving aircraft components with respect to a pre-specified figure of merit subject to geometrical and physical constraints. However, the extremely high computational expense of straightforward methodologies currently in use prohibits the application of numerical optimization for industry relevant problems. Optimization methods based on the calculation of the derivatives of the cost function with respect to the design variables suffer from the high computational costs if many design variables are used. However, these gradients can be efficiently obtained by solution of the continuous adjoint flow equations. DLR is actively developing and validating hand-coded adjoint solvers based upon the work of A. Jameson. The talk will outline the potential of the adjoint method for aerodynamic design optimization and will give a review of the work which has been done at DLR in this field.

Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=2001,
Title:Aerodynamic Shape Optimization using Adjoint Method
Authors:
AuthorsInstitution or Email of Authors
Gauger, N.UNSPECIFIED
Date:2001
Status:Published
Keywords:control theory, continuous adjoint flow equations, hand-coded adjoints, aerodynamic optimization
Event Title:Minisymposium 'Numerical Methods in Shape Optimization' at the SIAM-EMS Conference 2001, Berlin (de), 02.-06.09.2001
Organizer:SIAM-EMS
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 18:50

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