2004
DOI: 10.1142/s0129183104006492
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On the System Size of Lattice Boltzmann Simulations

Abstract: In lattice Boltzmann simulations particle groups — represented by scalar velocity distributions — are moved on a finite lattice. The size of these particle groups is not well-defined although it is crucial to assume that they should be big enough for using a continuous distribution. Here we propose to use the liquid–vapor interface as an internal yardstick to scale the system. Comparison with existing experimental data and with molecular dynamics simulation of Lennard–Jones-argon shows that the number of atoms… Show more

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Cited by 7 publications
(1 citation statement)
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“…The tanh profile is based on the density gradient approximation and gives good results for mean field simulations such as the Lattice-Boltzmann simulation, while the erf profile is a result of the capillary wave approach . This capillary wave approach exists besides the assumption of an intrinsic interface between the liquid and the vapor phase.…”
Section: Methodsmentioning
confidence: 99%
“…The tanh profile is based on the density gradient approximation and gives good results for mean field simulations such as the Lattice-Boltzmann simulation, while the erf profile is a result of the capillary wave approach . This capillary wave approach exists besides the assumption of an intrinsic interface between the liquid and the vapor phase.…”
Section: Methodsmentioning
confidence: 99%