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-   -   outlet in cfx5.5.1 (http://www.cfd-online.com/Forums/cfx/19267-outlet-cfx5-5-1-a.html)

allen October 31, 2002 09:23

outlet in cfx5.5.1
 
hi everybody:

i use cfx5.5.1 for several month ,now i meet a outlet problem ,and i hope somebody can help me.in 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 that.....my case is unsteady state and is a incompress flow and pressure-gradients is zero.it is a pipe.and i can know refrence pressure.thank you

Robin November 1, 2002 12:40

Re: outlet in cfx5.5.1
 
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).

Robin


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