Lattice Boltzmann Simulation of Natural Convection in a Square Cavity
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概要
- 論文の詳細を見る
In this paper, we describe the development of a lattice Boltzmann scheme for incompressible thermohydrodynamics. Being based on kinetic theory, the scheme simulates macroscopic fluid flows and heat transfers with the use of distribution functions. A systematic derivation of the lattice Boltzmann scheme from the continuous Boltzmann equation is discussed in details. We find that a 5-velocity model can be employed to simulate heat transfer in such a case where the viscous and compressive heating effects are negligible. As a benchmark, numerical simulations of natural convection in a square cavity are carried out. Through the results, the scheme is found to have a second-order convergence rate. In addition, the scheme is verified to be as accurate as conventional methods over a wide range of Rayleigh numbers.
- 一般社団法人日本機械学会の論文
- 2001-02-15
著者
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OHASHI Hirotada
Department of Quantum Engineering and Systems Science, University of Tokyo
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Ohashi Hirotada
Department Of Quantum Engineering And Systems Science University Of Tokyo
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Ohashi Hirotada
Department Of Quantum Engineering And Systems Science Faculty Of Engineering University Of Tokyo
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Chen Yu
Department Of Chemistry Graduate School Of Science Osaka University
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ONISHI Junya
Department of Quantum Engineering and Systems Science, University of Tokyo
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Onishi Junya
Department Of Quantum Engineering And Systems Science University Of Tokyo
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Chen Yu
Department Of Chemical Biology Ernest Mario School Of Pharmacy Rutgers The State University Of New Jersey
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Chen Yu
Department And Graduate School Of Physical Education National Taiwan College Of Physical Education
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