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Y+ value for a flow

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Old   November 20, 2017, 08:58
Exclamation Y+ value for a flow
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Rishabh Kumar
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Hi everyone, I'm calculating resistance of a submerged body using StarCCM

my Y+ values are ranging from 0-12 along the length of the body. I'm using K-epsilon turbulence model still, is something wrong I'm doing here ?

please let me know
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Old   November 21, 2017, 16:26
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Conor Crickmore
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Generally you want you 1 (low Y+) < Y+ > 30 (High Y+)

Are you using Prism Layers? If you are aiming for Low Y+ you should try and reduce the size of the near wall cell.
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resistance force, starccm, y+value

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