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Old   July 11, 2016, 16:31
Unhappy v2f turbulent model
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hamide hayati
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hi all
i want to simulate turbulent flow in a 2D channel (2*40cm) by v2f model.
i set it as follow:
-i try to use fine mesh near the wall, (y+<=1)
-B.C : velocity inlet, v=5 m/s , and define functions for v,k,epsilon and v2.(to be fully developed from beginning of channel)
outFlow for end of the channel
nosleep fo walls.
-second order upwind to solve equations.

but unfortunately i can't valid my results!!!!!! for example i can't find u+ vs y+ graph correctly!!! and also v'+ vs y+ and k+ vs y+ near the wall!!!!(1<y+<100)
i don't know what the problem is!!!!
is there any one help me to handle this problem.
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