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Boundary Conditions in Lattice Gas with Continuous Velocity

Author

Listed:
  • Yasuhiro Hashimoto

    (Department of Quantum Engineering and Systems Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan)

  • Yu Chen

    (Department of Quantum Engineering and Systems Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan)

  • Hirotada Ohashi

    (Department of Quantum Engineering and Systems Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan)

Abstract

The model we have adopted is called "Hydrodynamic Lattice Gases", that is, a kind of lattice gas with continuous velocity. This model describes the conservation of energy naturally, using innovative collision and propagation schemes. As a result, operations of particles on the boundary become more flexible and complicated as compared with those of the FHP model. And we need to pay attention to the way of treating individual particles. Focusing on the velocity and the coordinates of particles that will return from the boundary to the system, we introduce a reasonable operation that can set temperature and flow velocity of any value required as boundary conditions. Numerical calculations show that those parameters are well controlled using a new boundary scheme.

Suggested Citation

  • Yasuhiro Hashimoto & Yu Chen & Hirotada Ohashi, 1998. "Boundary Conditions in Lattice Gas with Continuous Velocity," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 9(08), pages 1263-1269.
    • Handle: RePEc:wsi:ijmpcx:v:09:y:1998:i:08:n:s0129183198001138
    DOI: 10.1142/S0129183198001138
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    Cited by:

    1. Sakazaki, Y. & Masuda, S. & Onishi, J. & Chen, Y. & Ohashi, H., 2006. "The modeling of colloidal fluids by the real-coded lattice gas," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 72(2), pages 184-189.

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