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SST Transition model in Fluent 12.0

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Old   November 4, 2010, 07:19
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Muhammad Aqib Chishty
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I want to some thing about the SST transition model in fluent CFX. What is the value of y+ should be used for this model?
I am working on the cascade T106A. Please reply soon....
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Old   November 8, 2010, 01:29
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y+ <= 1 is ok
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Old   November 8, 2010, 01:52
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thanks for replying,....
My y+ is 0.0274 right now
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Old   November 8, 2010, 05:16
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as far as I know, close to 1 is enough.
so you can increase first cell height, like 3 times your current value. so your y+ becomes 0,81.
So that your cell count reduces and you can get results quicker.
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Old   November 8, 2010, 07:14
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ok i will do that...
Thanks
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