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SURROGATE-BASED ROBUST AIRFOIL OPTIMIZATION CONSIDERING GEOMETRICAL UNCERTAINTIES

Maruyama, Daigo and Liu, Dishi and Görtz, Stefan (2016) SURROGATE-BASED ROBUST AIRFOIL OPTIMIZATION CONSIDERING GEOMETRICAL UNCERTAINTIES. SIAM Conference on Uncertainty Quantification (UQ16), 5-8 Apr 2016, Lausanne, Switzerland.

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Official URL: https://www.siam.org/meetings/uq16/

Abstract

We will present surrogate-based robust shape optimization of transonic airfoils. A large number of geometrical uncertainties on the airfoil is modeled by a truncated Karhunen-Loève expansion to achieve a dramatic reduction of the large number of parameters. The combination of quasi Monte Carlo sampling and gradient-enhanced Kriging enables us to efficiently calculate statistics of the aerodynamic coefficients which are used to evaluate the objective function to be optimized in our robust design optimization framework.

Item URL in elib:https://elib.dlr.de/109981/
Document Type:Conference or Workshop Item (Speech)
Title:SURROGATE-BASED ROBUST AIRFOIL OPTIMIZATION CONSIDERING GEOMETRICAL UNCERTAINTIES
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Maruyama, Daigodaigo.maruyama (at) dlr.deUNSPECIFIED
Liu, Dishidishi.liu (at) dlr.deUNSPECIFIED
Görtz, Stefanstefan.goertz (at) dlr.deUNSPECIFIED
Date:April 2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Shape optimization, Robust design, Geometrical uncertainties, Surrogate model, Aerodynamics
Event Title:SIAM Conference on Uncertainty Quantification (UQ16)
Event Location:Lausanne, Switzerland
Event Type:international Conference
Event Dates:5-8 Apr 2016
Organizer:SIAM (Society for Industrial and Applied Mathematics)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation, L - Flight Physics
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Maruyama, Daigo
Deposited On:22 Dec 2016 11:19
Last Modified:22 Dec 2016 11:19

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