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RANS or URANS model?

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Old   June 7, 2013, 17:47
Default RANS or URANS model?
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Ehsan
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Hi
I want to simulate a case like shock tube.its unsteady.but I don't know should I use a RANS or URANS model?how to figure out which is appropriate?I'm doing in OpenFOAM.do you know does it has any URANS model?
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