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2D and 3D Aerodynamic Shape Optimization using the Adjoint Approach

Brezillon, J. and Gauger, N. (2004) 2D and 3D Aerodynamic Shape Optimization using the Adjoint Approach. Aerospace Science and Technology, 8 (8), pp. 715-727.

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Abstract

The present paper aims to describe the potential of the adjoint technique for aerodynamic shape optimization. After a brief description of the continuous adjoint formulation and the aerodynamic optimization process developed at the DLR, specific requirements for an optimization framework combined with the adjoint technique are introduced. The drag reduction at constant lift and pitching moment for the RAE2822 airfoil in transonic flow is then presented as validation case. An extension to multi-point optimization demonstrates the capability of the framework to solve more complex problems. Finally, the wing-body optimization of a supersonic commercial aircraft confirms the flexibility of the framework and the efficiency of the adjoint technique.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2005,
Title:2D and 3D Aerodynamic Shape Optimization using the Adjoint Approach
Authors:
AuthorsInstitution or Email of Authors
Brezillon, J.UNSPECIFIED
Gauger, N.UNSPECIFIED
Date:2004
Journal or Publication Title:Aerospace Science and Technology
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:8
Page Range:pp. 715-727
Status:Published
Keywords:Aerodynamic, optimization, continuous adjoint, optimization framework, multi-point optimization, airfoil, wing-body
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
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 19:41

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