Lattice boltzmann simulation of cavity flows at various reynolds numbers

M. A. Mussa, Shahrir Abdullah, C. S. Nor Azwadi, Rozli Zulkifli

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The lattice Boltzmann method (LBM) is a numerical method evolved from the statistical approach that has been well-accepted as an alternative numerical scheme for computational fluid dynamics (CFD). In comparison to other numerical schemes, the lattice Boltzmann method (LBM) can be regarded as a "bottom-up" approach that derives the Navier-Stokes equation through statistical behavior of particle dynamics. Hence, this paper presents the simulation of lid-driven cavity for deep and shallow flow using the lattice Boltzmann method where the effect of the Reynolds number on the flow pattern at aspect ratios of 0.25, 0.5, 1.5 and 4.0 was studied. These types of flow exhibit a number of interesting physical features but are scarcely simulated using the LBM scheme. The source code was established based on the BGK model on rectangular lattice geometry. The comparison of the results was in excellent agreement with those gathered from the literature even with relatively coarse grids applied to the numerical calculation.

Original languageEnglish
Pages (from-to)1909-1919
Number of pages11
JournalInternational Review on Modelling and Simulations
Volume4
Issue number4
Publication statusPublished - Aug 2011

Fingerprint

Cavity Flow
Lattice Boltzmann
Lattice Boltzmann Method
Flow patterns
Navier Stokes equations
Reynolds number
Aspect ratio
Numerical methods
Computational fluid dynamics
Geometry
Numerical Scheme
Simulation
BGK Model
Lid-driven Cavity
Flow Pattern
Bottom-up
Computational Fluid Dynamics
Aspect Ratio
Numerical Calculation
Navier-Stokes Equations

Keywords

  • BGK model
  • Distribution function
  • Lattice boltzmann method
  • Lid-driven cavity flow
  • Microscopic velocity

ASJC Scopus subject areas

  • Modelling and Simulation
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Chemical Engineering(all)

Cite this

Lattice boltzmann simulation of cavity flows at various reynolds numbers. / Mussa, M. A.; Abdullah, Shahrir; Nor Azwadi, C. S.; Zulkifli, Rozli.

In: International Review on Modelling and Simulations, Vol. 4, No. 4, 08.2011, p. 1909-1919.

Research output: Contribution to journalArticle

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