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snappyHexMeshDict文件里面
这一项里面的点坐标要设置为你需要生成网格的部分内,即这个点的坐标在你stl文件内则生成stl文件形状的网格,若点坐标在stl文件外面,则生成背景网格和stl之间部分的网格.
你这个细化背景网格可以考虑采用topoSet和refineMesh一起进行细化,不一定需要采用SnappyHexMesh。感觉好像snappyHexMesh在重叠网格中主要是运用在floatingBody哪儿作为提取网格特性和细化的工具,在背景网格中还是主要采用topoSet和refineMesh
topoSet不能删除。只能把这些网格处理到某个形状里面。subset可以删除。