LES: fully developed flow at the inlet of a duct

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 June 12, 2008, 10:28 LES: fully developed flow at the inlet of a duct #1 cfd novice Guest   Posts: n/a Hi guys I wanna impose fully developed flow at the inlet of a duct. I do not have much time so what will be best option to do that. All kind of ideas are welcome. Thanks in advance for your help. cfd novice

 June 12, 2008, 14:32 Re: LES: fully developed flow at the inlet of a du #2 Carlos Guest   Posts: n/a Hi! Take a look at tutorial n°9

 June 12, 2008, 14:50 Re: LES: fully developed flow at the inlet of a du #3 cfd novice Guest   Posts: n/a No unfortunately that wont help because that tutorial is for circular pipes. I have a rectangular duct. Any idea how to write an expression for a duct of 2*0.5*0.5? Inlet velocity is 2 m s^-1. Thank you cfd novice

 June 13, 2008, 23:54 Re: LES: fully developed flow at the inlet of a du #4 Rogerio Fernandes Brito Guest   Posts: n/a make a simulation with a long tube! after that, take the profile of velocity at oultlet and use as the inlet for the nest simulation! how about it?

 June 14, 2008, 06:40 Re: LES: fully developed flow at the inlet of a du #5 cfd.novice Guest   Posts: n/a Good idea Rogerio but unfortunately I do not have time to run a simulation in very long. If I use periodic boundaries that too would give me fully developed flow. Only problem is that I am being able to use periodic boundaries for compressible flow. Any idea how to sort this issue. Thank you

 June 14, 2008, 06:55 Re: LES: fully developed flow at the inlet of a du #6 Rogerio Fernandes Brito Guest   Posts: n/a if u want, i can make this type of simulation! My MSN is rogeriobrito2007@hotmail.com

 June 14, 2008, 12:59 Re: LES: fully developed flow at the inlet of a du #7 Ahmed Guest   Posts: n/a Hi Rogerio I have added you but you are not online right now. I hope to get in touch with you soon. Ahmed

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