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laminar and turbulent flow in two regions

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Old   March 11, 2013, 13:42
Question laminar and turbulent flow in two regions
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Hi guys.
I want to model two channels which turbulent flow of water
goes through one channel and laminar flow goes through another one.
when i import one channel into fluent as fluid domain
the solution will converge for laminar and turbulent flow separately.
but when i import two channels as two volumes simultaneously to fluent and choose viscous model for turbulent and laminar zone from Bc's panel
for each channel respectively, solution will diverge.can any one tell me why?
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