Fassbender, Jens K. (2005) Robust and efficient computation of turbulent flows around civil transport aircraft at flight Reynolds numbers. Aerospace Science and Technology, 9 (8), Seiten 672-680. Elsevier. doi: 10.1016/j.ast.2005.09.003.
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Kurzfassung
This work aims at providing numerical methods that enable the robust and efficient simulation of turbulent flows around civil transport aircraft configurations at flight Reynolds numbers. Robustness problems related to the multigrid treatment of advanced transport equation turbulence models have been identified preventing convergence of simulations at high or flight Reynolds numbers. Therefore the application of multigrid to the turbulence equations is omitted while the multigrid treatment of the mean flow equations stays unchanged. Moreover, a fully implicit time integration scheme — a DDADI approach — is applied to the turbulence equations. The new approach raised robustness to a sufficient level to converge viscous computations at flight Reynolds numbers. Furthermore, the convergence speed of aerodynamic coefficients for three dimensional applications has also been improved significantly.
elib-URL des Eintrags: | https://elib.dlr.de/20708/ | ||||||||
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Dokumentart: | Zeitschriftenbeitrag | ||||||||
Titel: | Robust and efficient computation of turbulent flows around civil transport aircraft at flight Reynolds numbers | ||||||||
Autoren: |
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Datum: | 14 November 2005 | ||||||||
Erschienen in: | Aerospace Science and Technology | ||||||||
Referierte Publikation: | Ja | ||||||||
Open Access: | Nein | ||||||||
Gold Open Access: | Nein | ||||||||
In SCOPUS: | Nein | ||||||||
In ISI Web of Science: | Ja | ||||||||
Band: | 9 | ||||||||
DOI: | 10.1016/j.ast.2005.09.003 | ||||||||
Seitenbereich: | Seiten 672-680 | ||||||||
Verlag: | Elsevier | ||||||||
Status: | veröffentlicht | ||||||||
Stichwörter: | Flight Reynolds Numbers, Turbulent Flows, Robustness, Stability Analysis, Multigrid Method, Navier-Stokes Equations, Turbulence Equations | ||||||||
HGF - Forschungsbereich: | Verkehr und Weltraum (alt) | ||||||||
HGF - Programm: | Luftfahrt | ||||||||
HGF - Programmthema: | keine Zuordnung | ||||||||
DLR - Schwerpunkt: | Luftfahrt | ||||||||
DLR - Forschungsgebiet: | L - keine Zuordnung | ||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | L - keine Zuordnung (alt) | ||||||||
Standort: | Braunschweig | ||||||||
Institute & Einrichtungen: | Institut für Aerodynamik und Strömungstechnik > CASE | ||||||||
Hinterlegt von: | Fassbender, Dr.-Ing. Jens | ||||||||
Hinterlegt am: | 22 Dez 2005 | ||||||||
Letzte Änderung: | 27 Apr 2009 04:47 |
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