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基于格子Boltzmann法的管道流模拟二维和三维离散模型的比较 被引量:2

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摘要 格子Boltzmann方法是近二十年迅速发展起来的一种介观模拟方法。它是由格子气自动机理论演化而来,有别于传统模拟方法,具有宏观上离散,微观上连续的特点。本文着重介绍了格子Boltzmann法控制方程的理论基础,基于LBGK理论的D2Q9和D3Q19离散速度模型边界条件的定义以及算法演变情况。使用MATLAB软件编写程序进行二维和三维的泊肃叶流的数值模拟,对比分析D2Q9和D3Q19离散速度模型在LBGK理论下的边界条件的影响。
出处 《山东化工》 CAS 2016年第12期146-150,153,共6页 Shandong Chemical Industry
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