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Titolo:
GRID REFINEMENT FOR LATTICE-BGK MODELS
Autore:
FILIPPOVA O; HANEL D;
Indirizzi:
UNIV DUISBURG GESAMTHSCH,INST COMBUST & GASDYNAM D-47048 DUISBURG GERMANY
Titolo Testata:
Journal of computational physics (Print)
fascicolo: 1, volume: 147, anno: 1998,
pagine: 219 - 228
SICI:
0021-9991(1998)147:1<219:GRFLM>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
NAVIER-STOKES EQUATION; BOLTZMANN-METHOD; BOUNDARY-CONDITIONS; CIRCULAR-CYLINDER; FLOW; SIMULATION; DYNAMICS; SYSTEM;
Keywords:
LATTICE-BGK MODEL; GRID REFINEMENT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
CompuMath Citation Index
CompuMath Citation Index
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
O. Filippova e D. Hanel, "GRID REFINEMENT FOR LATTICE-BGK MODELS", Journal of computational physics (Print), 147(1), 1998, pp. 219-228

Abstract

Lattice-Boltzmann models, proposed at the end of the 1980s as the noise-free version of lattice-gas models, are based on gas-kinetic representation of fluid flow. Their recent modifications, the lattice BGK models, provide especially simple, effective and stable algorithms for the solution of hydrodynamical problems. A local second-order grid refinement scheme for the lattice-BGK model is proposed in this work. The refinement scheme and a boundary-fitting scheme for complicated geometries are applied to simulate a benchmark problem of flow past a cylinder in a channel with small and moderate Reynolds numbers. (C) 1998 Academic Press.

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Documento generato il 16/07/20 alle ore 14:51:00