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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.
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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/ | ||||||||||||||||||||||||||||
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| Document Type: | Contribution to a Collection | ||||||||||||||||||||||||||||
| Title: | Application of Point and Line Implicit Preconditioning Techniques to Unsteady Flow Simulations | ||||||||||||||||||||||||||||
| Authors: |
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| 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: |
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| 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 (old) | ||||||||||||||||||||||||||||
| 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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