Eliminating parasitic currents in the lattice Boltzmann equation method for nonideal gases

Taehun Lee and Paul F. Fischer
Phys. Rev. E 74, 046709 – Published 25 October 2006
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  • INTRODUCTION
  • THEORY
  • NUMERICAL TEST
  • CONCLUDING REMARKS
  • ACKNOWLEDGEMENTS
    • References

    Abstract

    A formulation of the intermolecular force in the nonideal-gas lattice Boltzmann equation method is examined. Discretization errors in the computation of the intermolecular force cause parasitic currents. These currents can be eliminated to roundoff if the potential form of the intermolecular force is used with compact isotropic discretization. Numerical tests confirm the elimination of the parasitic currents.

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    • Received 28 March 2006

    DOI:https://doi.org/10.1103/PhysRevE.74.046709

    ©2006 American Physical Society

    Authors & Affiliations

    Taehun Lee1,2,* and Paul F. Fischer1

    • 1Mathematics and Computer Science Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
    • 2Department of Mechanical Engineering, The City College of the City University of New York, New York, New York 10031, USA

    • *Electronic address: thlee@ccny.cuny.edu

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    Issue

    Vol. 74, Iss. 4 — October 2006

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