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Application of Point and Line Implicit Preconditioning Techniques to Unsteady Flow Simulations

Li, Dian and Langer, Stefan (2014) Application of Point and Line Implicit Preconditioning Techniques to Unsteady Flow Simulations. In: New Results in Numerical and Experimental Fluid Mechanics IX Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 124. Springer Verlag. pp. 443-453. ISBN 978-3-319-03157-6. ISSN 1612-2909

Full text not available from this repository.

Abstract

To improve the efficiency for unsteady flow simulations a modification of a family of preconditioners known for steady state simulations is investigated when applied to unsteady flow simulations. The modification applied to specific - namely point and line implicit preconditioners - is implemented into an existing CFD code. For high Reynolds number turbulent flows the gain with respect to efficiency of the preconditioned methods will be demonstrated when compared with the classical solution methods, explicit Runge-Kutta with local time-stepping and matrix free LU-SGS.

Item URL in elib:https://elib.dlr.de/91150/
Document Type:Contribution to a Collection
Title:Application of Point and Line Implicit Preconditioning Techniques to Unsteady Flow Simulations
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Li, Diandian.li (at) dlr.deUNSPECIFIED
Langer, Stefanstefan.langer (at) dlr.deUNSPECIFIED
Date:2014
Journal or Publication Title:New Results in Numerical and Experimental Fluid Mechanics IX
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:124
Page Range:pp. 443-453
Editors:
EditorsEmail
Dillmann, AndreasDLR Göttingen
Heller, GerdAirbus Deutschland
Krämer, EwaldUniversität Stuttgart
Kreplin, Hans-PeterDLR Göttingen
Nitsche, WolfgangTU Berlin
Rist, UlrichUniverstität Stuttgart
Publisher:Springer Verlag
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
ISSN:1612-2909
ISBN:978-3-319-03157-6
Status:Published
Keywords:High Reynold number viscous flows, unsteady simulation
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 > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Seyfried, Beate
Deposited On:20 Oct 2014 11:56
Last Modified:27 Feb 2015 11:29

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