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各位大佬好,我在模拟喷管的时候,采用改进的rhoCentralFoam求解器,模拟出来的出口压力在0.9MPa,但实验出口压力2.5MPa,相差较大。 我发现喷管出口如果设置fixedValue无法计算。但采用waveTransmissive又无法固定出口压力。以下是我边界条件 想请教一下大家有没有啥更改的建议
喷管出口是超音速么
@李东岳 是的,通过理论计算,出口应该在1.4Ma,fluent模拟的结果也在1.4Ma。但是我模拟的结果出口却达到了4Ma
https://cfd-china.com/topic/8018/免费帮助debug算例 你看看