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Search: Posts Made By: aerothermal
Forum: OpenFOAM Post-Processing March 22, 2012, 07:58
Replies: 23
Views: 6,186
Posted By aerothermal
Average Nusselt

Two ways:

1) in your code, sum all your Nusselt number values for one patch (not all patches) times de area of each element; sum all areas of elements/cells of the same patch; divide the nusselt...
Forum: OpenFOAM Post-Processing November 10, 2011, 08:57
Replies: 23
Views: 6,186
Posted By aerothermal
Dear Maryam, your zip file is empty. ...

Dear Maryam,

your zip file is empty.

Regards,

aerothermal
Forum: OpenFOAM Post-Processing March 17, 2011, 15:35
Replies: 23
Views: 6,186
Posted By aerothermal
yes...just select your plot, click file -> save...

yes...just select your plot, click file -> save data.
it will save as .csv for external tools like excel, matlab or R Cran
Forum: OpenFOAM Post-Processing March 17, 2011, 09:50
Replies: 23
Views: 6,186
Posted By aerothermal
You can calculate that in paraFoam. Use Filter ->...

You can calculate that in paraFoam. Use Filter -> Calculator.
So it is possible to calculate (T-Tref) on it to generate a new field.
In order to get only T surface you will need to Filter ->...
Forum: OpenFOAM Post-Processing March 16, 2011, 13:00
Replies: 23
Views: 6,186
Posted By aerothermal
yes...of course you have the heat flux! so...

yes...of course you have the heat flux!

so it is simpler! do it in paraFoam...

1) extract your cylinder boundary with extractBlock
2) use calculator to evaluate \dot{q}^" / (DeltaT)
3) plot...
Forum: OpenFOAM Post-Processing March 13, 2011, 10:25
Replies: 23
Views: 6,186
Posted By aerothermal
Hi anijdon, See the tool, ...

Hi anijdon,

See the tool,

wallHeatFlux

I might solve your problem.
Let me know if you have difficulties.

regards,
Forum: OpenFOAM Post-Processing November 22, 2010, 13:18
Replies: 23
Views: 6,186
Posted By aerothermal
use paraFoam to do that extract your...

use paraFoam to do that

extract your cylinder boundary with extractBlock
plot on intersection and select appropriate axis (z?)
select variables...

Is your cylinder fully rough?
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