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Titolo:
Multiscale lattice Boltzmann schemes with turbulence modeling
Autore:
Filippova, O; Succi, S; Mazzocco, F; Arrighetti, C; Bella, G; Hanel, D;
Indirizzi:
Univ Duisburg Gesamthsch, Inst Combust & Gasdynam, D-47048 Duisburg, Germany Univ Duisburg Gesamthsch Duisburg Germany D-47048 7048 Duisburg, Germany CNR, Inst Comp Applicat, Rome, Italy CNR Rome ItalyCNR, Inst Comp Applicat, Rome, Italy Univ Rome La Sapienza, Dept Mech & Aeronaut, I-00184 Rome, Italy Univ RomeLa Sapienza Rome Italy I-00184 & Aeronaut, I-00184 Rome, Italy Univ Roma Tor Vergata, Dept Mech Engn, Rome, Italy Univ Roma Tor Vergata Rome Italy r Vergata, Dept Mech Engn, Rome, Italy Rhein Westfal TH Aachen, Aerodynam Inst, D-52062 Aachen, Germany Rhein Westfal TH Aachen Aachen Germany D-52062 , D-52062 Aachen, Germany
Titolo Testata:
JOURNAL OF COMPUTATIONAL PHYSICS
fascicolo: 2, volume: 170, anno: 2001,
pagine: 812 - 829
SICI:
0021-9991(20010701)170:2<812:MLBSWT>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
MACH NUMBER COMBUSTION; BGK MODELS; FLOW SIMULATIONS; GRID REFINEMENT; EQUATION; DYNAMICS; REALIZATION;
Keywords:
lattice-BGK model; grid refinement;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Filippova, O Univ Duisburg Gesamthsch, Inst Combust & Gasdynam, D-47048 Duisburg, Germany Univ Duisburg Gesamthsch Duisburg Germany D-47048 , Germany
Citazione:
O. Filippova et al., "Multiscale lattice Boltzmann schemes with turbulence modeling", J COMPUT PH, 170(2), 2001, pp. 812-829

Abstract

The viability of multiscale lattice Boltzmann schemes for the numerical simulation of turbulent flows is discussed and numerically demonstrated for turboaxial machine applications. The extension of boundary-fitting formulas based on wall functions is proposed, which enables the efficient computation of turbulent Rows in complex curvilinear geometry using a simple Cartesian grid. Examples of two-dimensional turbulent Rows in an axial compressor cascade are presented. (C) 2001 Academic Press.

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Documento generato il 02/07/20 alle ore 22:17:13