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如图，左边的上部是大气边界，右边是封闭壁面。如果不在左边画和右边一样的细网格，得到的网格质量很差。如果画了细网格，则计算速度很慢。有更好的处理方式吗
如图，左边的上部是大气边界，右边是封闭壁面。如果不在左边画和右边一样的细网格，得到的网格质量很差。如果画了细网格，则计算速度很慢。有更好的处理方式吗