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Flow Simulations on Unstructured Overset Grids with Grid Overlap on Body Surfaces

Schwarz, Thorsten (2010) Flow Simulations on Unstructured Overset Grids with Grid Overlap on Body Surfaces. 17. DGLR-Fach-Symposium der STAB, 9.–10. Nov. 2010, Berlin, Deutschland.

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For CFD simulations on overset grids with grid overlap on body surfaces the Chimera interpolation scheme must be extended to allow for an accurate interpolation inside boundary layers. For this purpose a projection algorithm is introduced which ensures an interpolation with identical wall distance on grids with different surface discretizations. In order to compute loads like lift and drag an algorithm is presented which removes the grid overlap and fills the gap with a triangular mesh. The methods are successfully implemented into DLR’s unstructured flow solver TAU and are applied to a flow simulation for a wing-body airplane configuration.

Item URL in elib:https://elib.dlr.de/78727/
Document Type:Conference or Workshop Item (Speech, Paper)
Additional Information:The paper can be requested from: thorsten.schwarz@dlr.de
Title:Flow Simulations on Unstructured Overset Grids with Grid Overlap on Body Surfaces
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:10 November 2010
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Chimera TAU CFD
Event Title:17. DGLR-Fach-Symposium der STAB
Event Location:Berlin, Deutschland
Event Type:national Conference
Event Dates:9.–10. Nov. 2010
Organizer:Deutsche Gesellschaft für Luft- und Raumfahrt (DGLR)
HGF - Research field:Aeronautics, Space and Transport
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 > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Schwarz, Dr.-Ing. Thorsten
Deposited On:09 Jan 2013 15:47
Last Modified:09 Jan 2013 15:47

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