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why y+ appears band-shape distribution along wall?

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Old   September 20, 2004, 06:07
Default why y+ appears band-shape distribution along wall?
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Lcw
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I am computing a circular pipe by FLUENT,length is 1.5m, diameter is 10cm, inlet velocity is 1m/s, when ploting a figure of distribution of y+ along wall,it appears a band-shape distribution at the back part of the pipe.what does this mean? why not a single curve?

thanks a lot!
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