CFX to tecplot for plotting Cp(preesure coeff.)

jason_ · June 17, 2011, 02:42

Deal all,

I want to plot Cp(pressure coeff.) curve around the turbine blade.

When I use a Fluent, I used 'Iso-surface' for getting values at the specific plane. (For example, I got pressure vaules at x-y plane.(z=3))

Then, I exported pressure values to tecplot, and I plotted Cp curve for the specific blade section using tecplot.

However, I do not know how to get Cp curve using CFX.

I repeat that I want to get pressure values at the specific plane from CFX, and then I want to export the values to tecplot.

How could I do this?

Please tell me step to step procedure.

Thanks and regards.

ghorrocks · June 17, 2011, 08:12

You can do it lots of ways in CFX. The most obvious seems to be: You could generate a contour of z=3, extract that as a user line and export the pressure from it.

jason_ · June 19, 2011, 21:28

Thanks a lot, ghorrocks.

I got it!

But, I still don't know how I could extract it to tecplot form.

ghorrocks · June 20, 2011, 18:38

Tecplot has pretty simple input formats. Have a look in the Tecplot manuals and edit the exported file in a text editor.

June 17, 2011, 02:42	CFX to tecplot for plotting Cp(preesure coeff.)	#1
jason_ New Member Join Date: Jun 2011 Posts: 2 Rep Power: 0	Deal all, I want to plot Cp(pressure coeff.) curve around the turbine blade. When I use a Fluent, I used 'Iso-surface' for getting values at the specific plane. (For example, I got pressure vaules at x-y plane.(z=3)) Then, I exported pressure values to tecplot, and I plotted Cp curve for the specific blade section using tecplot. However, I do not know how to get Cp curve using CFX. I repeat that I want to get pressure values at the specific plane from CFX, and then I want to export the values to tecplot. How could I do this? Please tell me step to step procedure. Thanks and regards.

June 17, 2011, 08:12		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,700 Rep Power: 143	You can do it lots of ways in CFX. The most obvious seems to be: You could generate a contour of z=3, extract that as a user line and export the pressure from it. jason_ likes this.

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June 19, 2011, 21:28		#3
jason_ New Member Join Date: Jun 2011 Posts: 2 Rep Power: 0	Thanks a lot, ghorrocks. I got it! But, I still don't know how I could extract it to tecplot form.

June 20, 2011, 18:38		#4
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,700 Rep Power: 143	Tecplot has pretty simple input formats. Have a look in the Tecplot manuals and edit the exported file in a text editor.