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发表于 2007-2-3 15:35:58
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结构网格,非结构网格,有何异同
这是Mesh Generation一书中的一段话,供参考
There are two mesh types, characterised by the connectivity of the points. Structuredmeshes have a regular connectivity, which means that each point has the samenumber of neighbours (for some grids a small number of points will have a differentnumber of neighbours). Unstructured meshes have irregular connectivity: each pointcan have a different number of neighbours. Figure 1 gives an example of each type ofgrid. In some cases part of the grid is structured and part unstructured (e.g., in vis-cous flows where the boundary layer could be structured and the rest of the flowunstructured). |
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