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Development of a Wall Treatment for Navier-Stokes Computations using the Overset-Grid Technique

Schwarz, Thorsten (2000) Development of a Wall Treatment for Navier-Stokes Computations using the Overset-Grid Technique. 26th European Rotorcraft Forum, 2000-09-26 - 2000-09-29, The Hague, The Netherlands.

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Abstract

This paper presents a method to perform Navier-Stokes computations with the overset grid (or Chimera) approach with grid overlap on body surfaces. The method allows a correct transfer of the flow variables in the boundary layer near curved surfaces. Without the correction the flow is disturbed at the Chimera boundaries. The functionality of the new method is demonstrated for a simple 2D NACA 0012 test case and a more complex 3D helicopter fuselage with wind tunnel support strut. The results for the helicopter configuration are in good agreement with measurements and a computation with a standard multiblock grid.

Item URL in elib:https://elib.dlr.de/21063/
Document Type:Conference or Workshop Item (Paper)
Title:Development of a Wall Treatment for Navier-Stokes Computations using the Overset-Grid Technique
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schwarz, ThorstenUNSPECIFIEDUNSPECIFIED
Date:September 2000
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:CFD, RANS, Chimera, Overset Grids, Overlapping grids
Event Title:26th European Rotorcraft Forum
Event Location:The Hague, The Netherlands
Event Type:international Conference
Event Dates:2000-09-26 - 2000-09-29
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Virtual Aerodynamic Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > CASE
Deposited By: Schwarz, Dr.-Ing. Thorsten
Deposited On:10 Jan 2006
Last Modified:27 Apr 2009 04:52

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