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Adjoint shape optimization: computation and processing of surface sensitivities

Köthe, Thomas and Wagner, Claus (2012) Adjoint shape optimization: computation and processing of surface sensitivities. 18. DGLR-Fach-Symposium der STAB, 2012-11-06 - 2012-11-07, Stuttgart, Deutschland.

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


A process chain which is based on surface sensitivities computed to optimize ducted flows in arbitrary objects is proposed and discussed. The components of the process chain are Computational Fluid Dynamics (CFD), the calculation of adjoint variables, the derivation of sensitivities and the deformation of the mesh. The focus of the presented work is on the derivation and the processing of the sensitivities. Using the process chain, form optimization for a 2 dimensional duct flow is performed. Using this example we examine adaptations of surface sensitivities to use them for the mesh morphing step and their impact to the optimization result.

Item URL in elib:https://elib.dlr.de/78882/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Adjoint shape optimization: computation and processing of surface sensitivities
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Volume:Jahresbericht 2012
Page Range:pp. 44-45
Series Name:DLR Mitteilung
Keywords:Adjoint methods, surface sensitivities, shape optimization, ducted flows, process chain, weighting
Event Title:18. DGLR-Fach-Symposium der STAB
Event Location:Stuttgart, Deutschland
Event Type:national Conference
Event Start Date:6 November 2012
Event End Date:7 November 2012
Organizer:Deutsche Strömungsmechanische Arbeitsgemeinschaft, STAB
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Projekt Next Generation Train (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Köthe, Thomas
Deposited On:14 Dec 2012 14:28
Last Modified:24 Apr 2024 19:45

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