Issue |
ESAIM: M2AN
Volume 42, Number 1, January-February 2008
|
|
---|---|---|
Page(s) | 93 - 112 | |
DOI | https://doi.org/10.1051/m2an:2007055 | |
Published online | 12 January 2008 |
A discrete kinetic approximation for the incompressible Navier-Stokes equations
1
Istituto per le Applicazioni del Calcolo “M. Picone”,
Consiglio Nazionale delle Ricerche, Via P. Castellino, 111, 80131, Napoli, Italia. f.carfora@iac.cnr.it
2
Istituto per le Applicazioni del Calcolo “M. Picone”,
Consiglio Nazionale delle Ricerche, Viale del Policlinico 137, 00161 Roma, Italia. r.natalini@iac.cnr.it
Received:
24
May
2006
Revised:
19
April
2007
In this paper we introduce a new class of numerical schemes for the incompressible Navier-Stokes equations, which are inspired by the theory of discrete kinetic schemes for compressible fluids. For these approximations it is possible to give a stability condition, based on a discrete velocities version of the Boltzmann H-theorem. Numerical tests are performed to investigate their convergence and accuracy.
Mathematics Subject Classification: 65M06 / 76M20 / 76R
Key words: Incompressible fluids / kinetic schemes / BGK models / finite difference schemes.
© EDP Sciences, SMAI, 2008
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