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Simultaneous Pseudo-Time Stepping for 3D Aerodynamic Shape Optimization

Hazra, Subhendu and Schulz, Volker and Brezillon, Joel (2008) Simultaneous Pseudo-Time Stepping for 3D Aerodynamic Shape Optimization. Numerical Mathematics, 16 (Heft 2), pp. 139-161. Walter de Gruyter . DOI: 10.1515/JNUM.2008.007 ISSN 1569-3953

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This paper presents a numerical method for aerodynamic shape optimization problems with state constraint. It uses a simultaneous semi-iterative technique to solve the equations arising from the first order necessary optimality conditions. The method converges without additional globalization in the design space. A reduced SQP method based preconditioner is used for convergence acceleration. Design examples of drag reduction with constant lift for wing and body of a Supersonic Commercial Transport (SCT) aircraft are included. The overall cost of computation is about 8 forward simlation runs.

Item URL in elib:https://elib.dlr.de/21240/
Document Type:Article
Title:Simultaneous Pseudo-Time Stepping for 3D Aerodynamic Shape Optimization
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hazra, SubhenduDepartment of Mathematics, University of Trier, D-54286 Trier, GermanyUNSPECIFIED
Schulz, VolkerDepartment of Mathematics, University of Trier, D-54286 Trier, GermanyUNSPECIFIED
Brezillon, JoelInstitute of Aerodynamics and Flow Technology, German Aerospace Center, D-38108 Braunschweig, GermanyUNSPECIFIED
Date:June 2008
Journal or Publication Title:Numerical Mathematics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:No
DOI :10.1515/JNUM.2008.007
Page Range:pp. 139-161
Publisher:Walter de Gruyter
Keywords:shape optimization, simultaneous pseudo-time stepping, Euler equations, preconditioner, reduced SQP methods, supersonic aircraft.
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation & Validation (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > CASE
Deposited By: Brezillon, Joel
Deposited On:25 Nov 2010 09:31
Last Modified:25 Nov 2010 09:31

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