An applicability study of advanced lattice-Boltzmann techniques for moving, no-slip boundaries and local grid refinement

M. Rohde*, J. J. Derksen, H. E. A. Van den Akker

*Corresponding author for this work

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In this paper, two previously proposed lattice-Boltzmann techniques for no-slip boundaries and local grid refinement have been studied with the help of existing experimental and numerical data on a sedimenting sphere in a tank. These data comprise flow characteristics as well as the sedimentation trajectory and velocity of the sphere. It was found that the methods are capable of accurately describing the experimentally obtained data and show stable behaviour, even for solid-to-fluid density ratios close to one. Moreover, the proposed no-slip boundary methods produce more accurate results than the adaptive forcing technique. (C) 2007 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)1238-1252
Number of pages15
JournalComputers & Fluids
Volume37
Issue number10
DOIs
Publication statusPublished - Dec 2008

Keywords

  • PARTICULATE SUSPENSIONS
  • NUMERICAL SIMULATIONS
  • FLOW SIMULATION
  • SINGLE SPHERE
  • LARGE-EDDY
  • FLUID
  • EQUATION
  • SCHEMES
  • SEDIMENTATION
  • DYNAMICS

Cite this

An applicability study of advanced lattice-Boltzmann techniques for moving, no-slip boundaries and local grid refinement. / Rohde, M.; Derksen, J. J.; Van den Akker, H. E. A.

In: Computers & Fluids, Vol. 37, No. 10, 12.2008, p. 1238-1252.

Research output: Contribution to journalArticle

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KW - PARTICULATE SUSPENSIONS

KW - NUMERICAL SIMULATIONS

KW - FLOW SIMULATION

KW - SINGLE SPHERE

KW - LARGE-EDDY

KW - FLUID

KW - EQUATION

KW - SCHEMES

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