# can STAR CD set the outlet boundary velocity?

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 August 23, 2006, 05:51 can STAR CD set the outlet boundary velocity? #1 lenson Guest   Posts: n/a hihi I model a square fluid having four caves in and out .inlet=10 outlet 1 =3 outlet 2=4 another exit is setted to pressure=0. my question is how to set the outlet boundary specified velocity ?

 August 23, 2006, 07:53 Re: can STAR CD set the outlet boundary velocity? #2 Ben Guest   Posts: n/a Use a negative inlet, i.e. an inlet with the velocity vector point out of the domain not into it

 August 25, 2006, 00:56 Re: can STAR CD set the outlet boundary velocity? #3 lenson Guest   Posts: n/a After trying ,inlet velocity setted into control volume is not a way to use(answer is strange!) .I use the outlet fixed flow boundary (give specified flow rate)accompanied with pressure(must!) boundary . (my simulation is a model involoving multi-inlet and multi-outlet ).

 August 25, 2006, 08:39 Re: can STAR CD set the outlet boundary velocity? #4 Ben Guest   Posts: n/a uhhhh can you re-phrase that I am afraid I don't have a clue what you mean

 August 25, 2006, 14:20 Re: can STAR CD set the outlet boundary velocity? #5 Piet Guest   Posts: n/a Yeah, brush up your english !

 August 26, 2006, 06:33 Re: can STAR CD set the outlet boundary velocity? #6 Ben Guest   Posts: n/a I don't expect perfect English we are all from different places after all, my hindi is fairly terrible! I just didn't understand the question is all