Lattice Boltzmann(LB)方法是近年来出现的一种流体计算的新方法,在流体力学及相关领域取得了很大的成功.但LB方法在模拟湍流流动时常常引起计算的不稳定.本文基于一种结合大涡模型的LB方法对圆柱绕流问题进行的模拟,并与其他文献的实验结果和计算结果进行对比.计算表明,这种混合LB方法能获得比较满意的结果.
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