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本文提出了格子-Boltzmann方法的一种新的插值算法,使得网格划分与微观粒子运动方向相分离;用该方法 模拟了后台阶通道内的突扩流动和二维极坐标下的空腔流。所得结果与传统方法吻合良好,证明了该方法的可行性。
In this paper, we propose a new interpolation algorithm of the lattice-Boltzmann method, which separates the meshing from the moving direction of the microscopic particles. The method simulates the sudden flow in the back-path and the cavity flow in the two- . The result is in good agreement with the traditional method, which proves the feasibility of this method.