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How to plot u+ Vs Y+ graph?

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Old   November 19, 2012, 02:30
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Taryk
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I want to plot a graph between u+ and Y+. I m not able to get a plot, can anyone help me out in this..

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Old   November 19, 2012, 06:52
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The same question....please!

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Originally Posted by TQIM View Post
I want to plot a graph between u+ and Y+. I m not able to get a plot, can anyone help me out in this..

Regards
TQIM
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Old   November 19, 2012, 11:39
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What I usually do is to plot velocity as a function of wall distance (define a line probe to get the plot) and export it to excel, and use excel to non-dimensionalize the plot to get u+ vs y+. You will need the shear stress at the wall though, and you can get it by a point probe, or just using the line probe that you have and plotting the wall shear stress on that line. You will get a single value at the wall and zeros every where else.

I don't know if this answered your question or not.
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Old   July 29, 2016, 00:24
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Quote:
Originally Posted by triple_r View Post
What I usually do is to plot velocity as a function of wall distance (define a line probe to get the plot) and export it to excel, and use excel to non-dimensionalize the plot to get u+ vs y+. You will need the shear stress at the wall though, and you can get it by a point probe, or just using the line probe that you have and plotting the wall shear stress on that line. You will get a single value at the wall and zeros every where else.

I don't know if this answered your question or not.
what else do you do from there? I did what you said so far but am not getting the correct plot.....
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Old   July 29, 2016, 11:46
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Quote:
Originally Posted by mjthomp3 View Post
what else do you do from there? I did what you said so far but am not getting the correct plot.....
What do you get when you follow the steps? Can you give a little bit more detail? I haven't done this for a while now, so can't remember exactly if there were any tricks or something to watch for.
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Old   July 29, 2016, 14:42
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https://steve.cd-adapco.com/articles...-units-u-and-y
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