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Higher-Order and Adaptive Discontinuous Galerkin Methods with Shock-Capturing Applied to Transonic Turbulent Delta Wing Flow

Hartmann, Ralf (2012) Higher-Order and Adaptive Discontinuous Galerkin Methods with Shock-Capturing Applied to Transonic Turbulent Delta Wing Flow. In: AIAA Conference paper. American Institute of Aeronautics and Astronautics. 50th AIAA Aerospace Sciences Meeting, 9-12 Jan 2012, Nashville, USA.

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Kurzfassung

Discontinuous Galerkin (DG) methods allow high-order flow solutions on unstructured or locally refined meshes by increasing the polynomial degree and using curved instead of straight-sided elements. DG discretizations with higher polynomial degrees must, however, be stabilized in the vicinity of discontinuities of flow solutions like shocks. In this article, we device a consistent shock-capturing method for the RANS-kw turbulence model equations based on an artificial viscosity term that depends on element residual terms. Furthermore, the discontinuous Galerkin method is combined with a residual-based adaptation algorithm that targets at resolving all flow features. The higher-order and adaptive DG method is applied to a fully turbulent transonic flow around the second Vortex Flow Experiment (VFE-2) configuration.

Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Higher-Order and Adaptive Discontinuous Galerkin Methods with Shock-Capturing Applied to Transonic Turbulent Delta Wing Flow
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Hartmann, RalfRalf.Hartmann@dlr.de
Datum:Januar 2012
Erschienen in:AIAA Conference paper
Referierte Publikation:Nein
In ISI Web of Science:Nein
Verlag:American Institute of Aeronautics and Astronautics
Status:veröffentlicht
Stichwörter:Discontinuous Galerkin, higher order, adaptation, delta wing flow, vortex dominated flow
Veranstaltungstitel:50th AIAA Aerospace Sciences Meeting
Veranstaltungsort:Nashville, USA
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:9-12 Jan 2012
Veranstalter :AIAA
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:Flugzeuge
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L AR - Aircraft Research
DLR - Teilgebiet (Projekt, Vorhaben):L - Simulation und Validierung
Standort: Braunschweig
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Hinterlegt von: Dr.rer.nat. Ralf Hartmann
Hinterlegt am:21 Nov 2012 09:35
Letzte Änderung:09 Feb 2015 11:43

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