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reversed turbulent flow en face...

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Old   October 7, 2006, 05:40
Default reversed turbulent flow en face...
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I want de model turbulent flow in pipe with obstacle boundary conditions are VI=3m/s and P-outlet,when i iterarting i have very large fluctuation in residual screen and this message appearse" revesed turbulent flow in face..." thank's
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Old   July 11, 2013, 07:00
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I have faced same problem recently but the reversed flow was diminished after 1000 iterations ...when I searched obout the reason ...reversed flow represents negative sign for flowing inflow instead of outflow
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