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Old   August 1, 2013, 11:41
Default Periodic Boundary Condition
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Hi people!

I would like to find out more about Periodic Boundary Condition (BC).
Let's just assume a simple pipe flow and inlet velocity of 10m/s and outlet gauge pressure of 0Pa. Now, I will be setting my pipe length to be 15x of the pipe ID in order to capture the turbulence phenomena occurring during the pipe flow. When periodic BC is chosen by Mesh Interfacing the inlet and outlet, two walls will be created. The wall which is created for the inlet can be set a certain velocity. At the same time, we can also choose to set the mass flow rate at the periodic BC. Can anyone advice which should be inputted to achieve the correct result?

Thank you for your time ans assistance.
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