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Application of Numerical Wall Functions for Boundary Layer Flows with Separation and Reattachment

Knopp, Tobias and Spallek, Fabian and Frederich, Octavian and Rapin, Gerd (2016) Application of Numerical Wall Functions for Boundary Layer Flows with Separation and Reattachment. In: New Results in Numerical and Experimental Fluid Mechanics X Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 132. Springer International Publishing Switzerland 2016. pp. 145-155. doi: 10.1007/978-3-319-27279-5_13. ISBN 978-3-319-27278-8. ISSN 1612-2909.

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Official URL: http://link.springer.com/book/10.1007/978-3-319-27279-5/page/2


This paper describes a numerical wall function method for RANS simulations of isothermal flows with separation and reattachment using an unstructured flow solver. The method is studied for the Spalart-Allmaras one-equation model and is implemented in OpenFOAM. For each wall node, a one-dimensional boundary-layer problem is integrated numerically on an embedded sub-grid in the near-wall region. The method is applied to the flow over a backward facing step, over a smoothly contoured ramp and over a NACA4412 airfoil to show the improvement of the results compared to universal wall functions.

Item URL in elib:https://elib.dlr.de/100181/
Document Type:Contribution to a Collection
Title:Application of Numerical Wall Functions for Boundary Layer Flows with Separation and Reattachment
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Knopp, TobiasUNSPECIFIEDhttps://orcid.org/0000-0002-3161-5353
Frederich, OctavianVolkswagen AG, 38436 Wolfsburg, GermanyUNSPECIFIED
Rapin, GerdVolkswagen AG, 38436 Wolfsburg, GermanyUNSPECIFIED
Date:January 2016
Journal or Publication Title:New Results in Numerical and Experimental Fluid Mechanics X
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 145-155
EditorsEmailEditor's ORCID iD
Dillmann, AndreasDLR GöttingenUNSPECIFIED
Heller, GerdAirbus Deutschland, Bremen, GermanyUNSPECIFIED
Krämer, EwaldUNI StuttgartUNSPECIFIED
Wagner, ClausDLR GöttingenUNSPECIFIED
Breitsamter, ChristianTU MünchenUNSPECIFIED
Publisher:Springer International Publishing Switzerland 2016
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Keywords:wall functions, boundary layer approximation, separation, RANS, OPENFOAM
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 (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Bachmann, Barbara
Deposited On:09 Sep 2016 13:06
Last Modified:28 Mar 2023 23:44

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