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Comparison between isothermal collision-streaming and finite-difference lattice Boltzmann models

Author

Listed:
  • G. Negro

    (Dipartimento di Fisica, Università degli Studi di Bari and INFN, Sezione di Bari, via Amendola 173, Bari I-70126, Italy)

  • S. Busuioc

    (Department of Physics, West University of Timişoara, Bd. Vasile Pârvan 4, 300223 Timişoara, Romania)

  • V. E. Ambruş

    (Department of Physics, West University of Timişoara, Bd. Vasile Pârvan 4, 300223 Timişoara, Romania)

  • G. Gonnella

    (Dipartimento di Fisica, Università degli Studi di Bari and INFN, Sezione di Bari, via Amendola 173, Bari I-70126, Italy)

  • A. Lamura

    (Istituto Applicazioni Calcolo, CNR, Via Amendola 122/D, I-70126 Bari, Italy)

  • V. Sofonea

    (Center for Fundamental and Advanced Technical Research, Romanian Academy Bd. Mihai Viteazul 24, 300223 Timişoara, Romania)

Abstract

We present here a comparison between collision-streaming and finite-difference lattice Boltzmann (LB) models. This study provides a derivation of useful formulae which help one to properly compare the simulation results obtained with both LB models. We consider three physical problems: the shock wave propagation, the damping of shear waves, and the decay of Taylor–Green vortices, often used as benchmark tests. Despite the different mathematical and computational complexity of the two methods, we show how the physical results can be related to obtain relevant quantities.

Suggested Citation

  • G. Negro & S. Busuioc & V. E. Ambruş & G. Gonnella & A. Lamura & V. Sofonea, 2019. "Comparison between isothermal collision-streaming and finite-difference lattice Boltzmann models," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 30(10), pages 1-14, October.
    • Handle: RePEc:wsi:ijmpcx:v:30:y:2019:i:10:n:s0129183119410055
    DOI: 10.1142/S0129183119410055
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    Cited by:

    1. Carenza, L.N. & Gonnella, G. & Marenduzzo, D. & Negro, G., 2020. "Chaotic and periodical dynamics of active chiral droplets," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 559(C).

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