Boundary Conditions in Lattice Gas with Continuous Velocity

Yasuhiro Hashimoto (), Yu Chen () and Hirotada Ohashi ()
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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

International Journal of Modern Physics C (IJMPC), 1998, vol. 09, issue 08, 1263-1269

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.

Keywords: Hydrodynamic Lattice Gases; Boundary Condition (search for similar items in EconPapers)
Date: 1998
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DOI: 10.1142/S0129183198001138

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