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Langer, Stefan (2012) HIERARCHY OF PRECONDITIONING TECHNIQUES FOR THE SOLUTION OF THE NAVIER-STOKES EQUATIONS DISCRETIZED BY 2ND ORDER UNSTRUCTURED FINITE VOLUME METHODS. ECCOMAS 2012, 2012-09-10 - 2012-09-14, Wien, Österreich.
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Kurzfassung
This document presents a hierarchy of preconditioning techniques embedded into a multistage Runge-Kutta method applied to approximate steady state solutions of high Reynolds number viscous flows. The method is used as smoother in an agglomerated multigrid method. Different ways are suggested to construct coarse grid levels and coarse grid equations. Finally several of the possible combinations are suggested and investigated. Numerical examples demonstrate the superiorities and inferiorities of some of these methods.
| elib-URL des Eintrags: | https://elib.dlr.de/78548/ | ||||||||
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| Dokumentart: | Konferenzbeitrag (Vortrag, Paper) | ||||||||
| Titel: | HIERARCHY OF PRECONDITIONING TECHNIQUES FOR THE SOLUTION OF THE NAVIER-STOKES EQUATIONS DISCRETIZED BY 2ND ORDER UNSTRUCTURED FINITE VOLUME METHODS | ||||||||
| Autoren: |
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| Datum: | September 2012 | ||||||||
| Referierte Publikation: | Nein | ||||||||
| Open Access: | Nein | ||||||||
| Gold Open Access: | Nein | ||||||||
| In SCOPUS: | Nein | ||||||||
| In ISI Web of Science: | Nein | ||||||||
| Status: | veröffentlicht | ||||||||
| Stichwörter: | implicit Runge-Kutta methods, Navier-Stokes equations, high Reynolds number, agglomeration multigrid | ||||||||
| Veranstaltungstitel: | ECCOMAS 2012 | ||||||||
| Veranstaltungsort: | Wien, Österreich | ||||||||
| Veranstaltungsart: | internationale Konferenz | ||||||||
| Veranstaltungsbeginn: | 10 September 2012 | ||||||||
| Veranstaltungsende: | 14 September 2012 | ||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||
| HGF - Programm: | Luftfahrt | ||||||||
| HGF - Programmthema: | Starrflügler (alt) | ||||||||
| DLR - Schwerpunkt: | Luftfahrt | ||||||||
| DLR - Forschungsgebiet: | L AR - Starrflüglerforschung | ||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Simulation & Validierung (alt) | ||||||||
| Standort: | Braunschweig | ||||||||
| Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering | ||||||||
| Hinterlegt von: | Langer, Dr.rer.nat. Stefan | ||||||||
| Hinterlegt am: | 15 Nov 2012 11:05 | ||||||||
| Letzte Änderung: | 24 Apr 2024 19:44 |
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