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Difference btwn F_PROFILE and PROFILE(GUI)

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Old   March 24, 2011, 13:27
Default Difference btwn F_PROFILE and PROFILE(GUI)
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Hello,

Is there anybody that can explains to me the difference between the UDF F_PROFILE and the gui command PROFILE?

In the second there is an interpolation, but in the udf i shell assign the right variables value in the exact face center coordinate...it's right?

Thank you!
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Old   March 25, 2011, 03:36
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Hi,
I think they are similar. if you don't use exact coordinates, they'll interpolate between nodes. F_PROFILE is a programmable tool to generate profiles.
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Old   March 25, 2011, 05:29
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Thank's Amir for replay,

my objective is that the bc's that i'll impose will not be modified by fluent by some kind of interpolation, and i hope that F_profile can do this.
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Old   March 25, 2011, 08:31
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you can do that with both of them if you implement the exact coordinates of faces.
in this point of view F_PROFILE is better because it automatically uses face centroids but in <profile> files, it's possible but of course has some difficulties.
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Old   March 29, 2011, 17:18
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but in profile how can we display it ?????????
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Old   March 30, 2011, 08:18
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Quote:
Originally Posted by rubis View Post
but in profile how can we display it ?????????
you can do few iterations (it's not necessary to converge ) and plot your variable.
for unsteady cases you can also plot that in {solve->monitor->surface} during time ....
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Old   April 1, 2011, 05:39
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In the xy plot panel you can find 'interpolated data',

where it shows you in wich way the datas have been readed from the profile input
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