Lattice Boltzmann-based single-phase method for free surface tracking of droplet motions

Xiu Qing Xing, David Lee Butler, Chun Yang

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A 2D single-phase free surface tracking model, based on the lattice Boltzmann method (LBM) is developed for simulating droplet motion. In contrast to the conventional multi-phase models, it is not necessary to simulate the motion of the gas phase using this 2D single-phase algorithm, and thus improves the computational efficiency without sacrificing the underlying physics. A method for special treatment of the relevant boundary conditions in the single-phase algorithm is proposed and also validated. Numerical simulations are carried out for the motion of a free falling droplet with or without considering gravity and droplet spreading under gravity. The simulations of the LBM are found to be consistent with the results obtained from commercial computational fluid dynamics (CFD) software Fluent.

LanguageEnglish
Pages333-351
Number of pages19
JournalInternational Journal for Numerical Methods in Fluids
Volume53
Issue number2
DOIs
Publication statusPublished - 20 Jan 2007
Externally publishedYes

Fingerprint

Lattice Boltzmann
Free Surface
Motion
Lattice Boltzmann Method
Gravitation
Gravity
Computational efficiency
Computational fluid dynamics
Physics
Computational Fluid Dynamics
Boundary conditions
Computational Efficiency
Computer simulation
Model-based
Gases
Numerical Simulation
Software
Necessary
Simulation
Model

Keywords

  • boundary conditions
  • free surface tracking
  • Lattice Boltzmann method

Cite this

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abstract = "A 2D single-phase free surface tracking model, based on the lattice Boltzmann method (LBM) is developed for simulating droplet motion. In contrast to the conventional multi-phase models, it is not necessary to simulate the motion of the gas phase using this 2D single-phase algorithm, and thus improves the computational efficiency without sacrificing the underlying physics. A method for special treatment of the relevant boundary conditions in the single-phase algorithm is proposed and also validated. Numerical simulations are carried out for the motion of a free falling droplet with or without considering gravity and droplet spreading under gravity. The simulations of the LBM are found to be consistent with the results obtained from commercial computational fluid dynamics (CFD) software Fluent.",
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Lattice Boltzmann-based single-phase method for free surface tracking of droplet motions. / Xing, Xiu Qing; Butler, David Lee; Yang, Chun.

In: International Journal for Numerical Methods in Fluids , Vol. 53, No. 2, 20.01.2007, p. 333-351.

Research output: Contribution to journalArticle

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AU - Butler, David Lee

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AB - A 2D single-phase free surface tracking model, based on the lattice Boltzmann method (LBM) is developed for simulating droplet motion. In contrast to the conventional multi-phase models, it is not necessary to simulate the motion of the gas phase using this 2D single-phase algorithm, and thus improves the computational efficiency without sacrificing the underlying physics. A method for special treatment of the relevant boundary conditions in the single-phase algorithm is proposed and also validated. Numerical simulations are carried out for the motion of a free falling droplet with or without considering gravity and droplet spreading under gravity. The simulations of the LBM are found to be consistent with the results obtained from commercial computational fluid dynamics (CFD) software Fluent.

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