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Simulating Time Harmonic Flows With The Regularized L-Bgk Method

Author

Listed:
  • LILIT AXNER

    (Section Computational Science, University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands)

  • JONAS LATT

    (Computer Science Department, University of Geneva, CH-1211 Geneva 4, Switzerland)

  • ALFONS G. HOEKSTRA

    (Section Computational Science, University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands)

  • BASTIEN CHOPARD

    (Computer Science Department, University of Geneva, CH-1211 Geneva 4, Switzerland)

  • PETER M. A. SLOOT

    (Section Computational Science, University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands)

Abstract

A recent improvement of the lattice BGK model, based on a regularization of the precollision distribution function, is applied to three dimensional Womersley flow. The accuracy and the stability of the model are essentially improved by using this regularization. A good agreement with analytical Womersley solution is presented, as well as an improvement of the accuracy over standard L-BGK. Numerical stability of the scheme for a range of Reynolds and Womersley numbers is also presented, demonstrating an enhancement of the stability range of L-BGK for this type of flows.

Suggested Citation

  • Lilit Axner & Jonas Latt & Alfons G. Hoekstra & Bastien Chopard & Peter M. A. Sloot, 2007. "Simulating Time Harmonic Flows With The Regularized L-Bgk Method," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 18(04), pages 661-666.
    • Handle: RePEc:wsi:ijmpcx:v:18:y:2007:i:04:n:s0129183107010917
    DOI: 10.1142/S0129183107010917
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