Nonexistence of H Theorem for Some Lattice Boltzmann Models

被引:2
|
作者
Wen-an Yong
Li-Shi Luo
机构
[1] Universität Heidelberg,IWR
[2] Old Dominion University,Department of Mathematics and Statistics
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关键词
Lattice Boltzmann equation; -theorem;
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摘要
In this paper, we provide a set of sufficient conditions under which a lattice Boltzmann model does not admit an H theorem. By verifying the conditions, we prove that a number of existing lattice Boltzmann models does not admit an H theorem. These models include D2Q6, D2Q9 and D3Q15 athermal models, and D2Q16 and D3Q40 thermal (energy-conserving) models. The proof does not require the equilibria to be polynomials.
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页码:91 / 103
页数:12
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