One numerical calculation method is studied by using the three - dimension unstructured cartesian grid and N - S equations.

采用三维非结构贴体直角网格和N -S 方程研究了三维地面效应的数值计算方法.

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Unstructured Cartesian grid for complex geometries is generated based on Octree data structure.

采用八叉树结构,生成复杂外形绕流计算的非结构直角网格.

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