Assessment of the 1-fluid method for DNS of particulate flows: Sedimentation of a single sphere at moderate to high Reynolds numbers

G. Pianet*, A. Ten Cate, J. J. Derksen, E. Arquis

*Corresponding author for this work

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

This paper introduces an original 1-fluid method for direct simulation of the motion of rigid particles in fluids. The model is based on the implicit treatment of a single fictitious fluid over a fixed grid, and uses an augmented Lagrangian optimization algorithm for the velocity-pressure coupling. The paper focuses on the case of a rigid sphere settling in a viscous medium. For validation purposes, simulations of the transient motion of a sedimenting sphere at Reynolds numbers ranging from 1.5 to 31.9 are compared to the PIN data published by Ten Cate et al. [Ten Cate A, Nieuwstad CH, Derksen JJ, Van den Akker HEA. Particle imaging velocimetry experiments and lattice-Boltzmann simulations on a single sphere settling under gravity. Phys Fluids 2002;14(11):4012-25]. Accurate reproduction of the experimental data is obtained. Further simulations are intended to investigate higher Reynolds numbers. Predictions of transient particle sedimentation at Reynolds number 280 are performed and compared with experimental data of the sedimentation trajectory, as well as with simulation results based on the lattice-Boltzmann method. (c) 2006 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)359-375
Number of pages17
JournalComputers & Fluids
Volume36
Issue number2
DOIs
Publication statusPublished - Feb 2007

Keywords

  • DISCRETIZED BOLTZMANN-EQUATION
  • DIRECT NUMERICAL-SIMULATION
  • FICTITIOUS DOMAIN APPROACH
  • NAVIER-STOKES EQUATIONS
  • RANDOM ARRAYS
  • FREE-SURFACE
  • FLUID
  • MOTION
  • SYSTEMS
  • SUSPENSIONS

Cite this

Assessment of the 1-fluid method for DNS of particulate flows : Sedimentation of a single sphere at moderate to high Reynolds numbers. / Pianet, G.; Ten Cate, A.; Derksen, J. J.; Arquis, E.

In: Computers & Fluids, Vol. 36, No. 2, 02.2007, p. 359-375.

Research output: Contribution to journalArticle

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abstract = "This paper introduces an original 1-fluid method for direct simulation of the motion of rigid particles in fluids. The model is based on the implicit treatment of a single fictitious fluid over a fixed grid, and uses an augmented Lagrangian optimization algorithm for the velocity-pressure coupling. The paper focuses on the case of a rigid sphere settling in a viscous medium. For validation purposes, simulations of the transient motion of a sedimenting sphere at Reynolds numbers ranging from 1.5 to 31.9 are compared to the PIN data published by Ten Cate et al. [Ten Cate A, Nieuwstad CH, Derksen JJ, Van den Akker HEA. Particle imaging velocimetry experiments and lattice-Boltzmann simulations on a single sphere settling under gravity. Phys Fluids 2002;14(11):4012-25]. Accurate reproduction of the experimental data is obtained. Further simulations are intended to investigate higher Reynolds numbers. Predictions of transient particle sedimentation at Reynolds number 280 are performed and compared with experimental data of the sedimentation trajectory, as well as with simulation results based on the lattice-Boltzmann method. (c) 2006 Elsevier Ltd. All rights reserved.",
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author = "G. Pianet and {Ten Cate}, A. and Derksen, {J. J.} and E. Arquis",
note = "We would like to acknowledge the National Computer Centre of Higher Education (CINES) in Montpellier (France), and the Institute for Development and Resources in Intensive Scientific computing (IDRIS) in Orsay (France), for providing the computing facilities used in the presentation of this paper.",
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AU - Arquis, E.

N1 - We would like to acknowledge the National Computer Centre of Higher Education (CINES) in Montpellier (France), and the Institute for Development and Resources in Intensive Scientific computing (IDRIS) in Orsay (France), for providing the computing facilities used in the presentation of this paper.

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N2 - This paper introduces an original 1-fluid method for direct simulation of the motion of rigid particles in fluids. The model is based on the implicit treatment of a single fictitious fluid over a fixed grid, and uses an augmented Lagrangian optimization algorithm for the velocity-pressure coupling. The paper focuses on the case of a rigid sphere settling in a viscous medium. For validation purposes, simulations of the transient motion of a sedimenting sphere at Reynolds numbers ranging from 1.5 to 31.9 are compared to the PIN data published by Ten Cate et al. [Ten Cate A, Nieuwstad CH, Derksen JJ, Van den Akker HEA. Particle imaging velocimetry experiments and lattice-Boltzmann simulations on a single sphere settling under gravity. Phys Fluids 2002;14(11):4012-25]. Accurate reproduction of the experimental data is obtained. Further simulations are intended to investigate higher Reynolds numbers. Predictions of transient particle sedimentation at Reynolds number 280 are performed and compared with experimental data of the sedimentation trajectory, as well as with simulation results based on the lattice-Boltzmann method. (c) 2006 Elsevier Ltd. All rights reserved.

AB - This paper introduces an original 1-fluid method for direct simulation of the motion of rigid particles in fluids. The model is based on the implicit treatment of a single fictitious fluid over a fixed grid, and uses an augmented Lagrangian optimization algorithm for the velocity-pressure coupling. The paper focuses on the case of a rigid sphere settling in a viscous medium. For validation purposes, simulations of the transient motion of a sedimenting sphere at Reynolds numbers ranging from 1.5 to 31.9 are compared to the PIN data published by Ten Cate et al. [Ten Cate A, Nieuwstad CH, Derksen JJ, Van den Akker HEA. Particle imaging velocimetry experiments and lattice-Boltzmann simulations on a single sphere settling under gravity. Phys Fluids 2002;14(11):4012-25]. Accurate reproduction of the experimental data is obtained. Further simulations are intended to investigate higher Reynolds numbers. Predictions of transient particle sedimentation at Reynolds number 280 are performed and compared with experimental data of the sedimentation trajectory, as well as with simulation results based on the lattice-Boltzmann method. (c) 2006 Elsevier Ltd. All rights reserved.

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KW - RANDOM ARRAYS

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