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某些离心压缩机叶轮扭曲度比较大,划分块的时候很难保证块各条边的正交性,尤其是贴着曲面的块,稍有一定角度的倾斜,加密网格时就非常容易出现负网格。
除了手动调节节点使块尽量垂直于壁面之外,在分块操作等方面还有哪些技巧能有效地保证壁面网格的正交性?
放点图有利于讨论..