A Thermal LBGK Model for Large Density and Temperature Differences

Jian Huang (), Feng Xu (), Michel Vallières (), Da Hsuan Feng (), Yue-Hong Qian (), Bruce Fryxell () and Mike R. Strayer ()
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Jian Huang: Physics Department, Drexel University, Philadelphia, PA 19104, USA
Feng Xu: Physics Department, Drexel University, Philadelphia, PA 19104, USA
Michel Vallières: Physics Department, Drexel University, Philadelphia, PA 19104, USA
Da Hsuan Feng: Physics Department, Drexel University, Philadelphia, PA 19104, USA
Yue-Hong Qian: Department of Applied Physics, Columbia University, New York, NY 10027, USA
Bruce Fryxell: Mail Code 934, NASA/Goddard Space Flight Center, Greenbelt, MD 20771, USA
Mike R. Strayer: Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

International Journal of Modern Physics C (IJMPC), 1997, vol. 08, issue 04, 827-841

Abstract: We present a new lattice-Boltzmann method for hydrodynamic simulations, which is capable of handling very large density and temperature gradients. Unlike other LBGK models, the discrete velocities we used center at the local mean flow velocity, and their values vary according to the local temperature. The adiabatic index of the gas can be easily controlled by a parameter.

Keywords: Hydrodynamics; Boltzmann Equation; BGK Model (search for similar items in EconPapers)
Date: 1997
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DOI: 10.1142/S0129183197000710

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