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outlet in cfx5.5.1

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Old   October 31, 2002, 09:23
Default outlet in cfx5.5.1
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hi everybody:

i use cfx5.5.1 for several month ,now i meet a outlet problem ,and i hope somebody can help my case i just know massflow rate in the inlet and i don't know any boundary in the outlet.if i don't give any value in the outlet software can't accept,can somebody help me how to do case is unsteady state and is a incompress flow and pressure-gradients is is a pipe.and i can know refrence pressure.thank you
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Old   November 1, 2002, 12:40
Default Re: outlet in cfx5.5.1
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You must know something at your outlet. At the very least, set it to be equal to an average static pressure of 0 relative to your reference pressure. Furthermore, it is not possible for your pressure gradient to be zero (unless you have a momentum source).

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