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@jqbu minParcelMass 在你这个1e-20的话 大概算出来是3.91486764×10−7 不知道你有没有什么地方设置过vsmall 还有rootvsmall,作为filter,可能有问题吧 不好说。
另外如果parcel太小,有可能也被trap到某个涡里。看看调整一下你的Euler time step 还有maxco试试 impinging的流场比较复杂 jet?你先调整试试看one-way 限制尺寸大一点。