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Efficient Flow Computation including Turbulent Transport

Rossow, C.-C. (2010) Efficient Flow Computation including Turbulent Transport. In: New Results in Numerical and Experimental Fluid Mechanics VII Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 112. Springer-Verlag, Berlin Heidelberg. pp. 91-99. ISBN 978-3-642-14242-0. ISSN 1612-2909

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Official URL: http://link.springer.com/chapter/10.1007%2F978-3-642-14243-7_12


Runge-Kutta/Implicit methods for the solution of the Navier-Stokes equations provide superior convergence rates, especially when combined with a multigrid framework. In previous investigations [7,8,10], the algebraic model of Baldwin and Lomax [1] was employed as turbulence model. In the present contribution, this model is replaced by the model of Spalart and Allmaras [9], where an additional partial differential equation has to be solved. The design of an appropriate solution strategy to solve this additional equation and account for the necessary coupling to the system of main flow equations to maintain the favorable convergence rates of the basic scheme are outlined and discussed. Different cases of turbulent subsonic and transonic flow around airfoils are considered to assess the convergence properties of the resulting algorithm. Comparison with results of previous investigations confirms that the high efficiency of the basic Runge-Kutta/Implicit method is not impaired when adding an equation for turbulent transport.

Item URL in elib:https://elib.dlr.de/96015/
Document Type:Book Section
Additional Information:Online ISBN978-3-642-14243-7
Title:Efficient Flow Computation including Turbulent Transport
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rossow, C.-C.cord.rossow (at) dlr.deUNSPECIFIED
Journal or Publication Title:New Results in Numerical and Experimental Fluid Mechanics VII
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1007/978-3-642-14243-7_12
Page Range:pp. 91-99
Dillmann, AndreasDLR
Heller, GerdAirbus Bremen
Klaas, MichaelRWTH Aachen
Kreplin, Hans-PeterDLR
Nitsche, WolfgangTU Braunschweig
Schröder, WolfgangRWTH Aachen
Publisher:Springer-Verlag, Berlin Heidelberg
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Keywords:Flow Computation, Turbulent Transport
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
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Leitungsbereich AS BS
Deposited By: Rossow, Prof. Dr.-Ing. Cord-Christian
Deposited On:20 Apr 2015 12:22
Last Modified:20 Apr 2015 12:23

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