How to incorporate the friction factor....
I want to simulate single gas-phase by considering the friction factor. Now the questions are:
(1) when selecting the 'Laminar' viscous model, I amnot sure whether it including the fraction fractor or not? According to the UG manual, it is not clear to me.
(2) If I want to incorporate the UDF friction factor, how can I do? My geometry is simple cylinder pipe.
Please help me out.
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