post processing in cfx

zese · July 2, 2019, 06:33

Dear friends

I did 3 dimensional simulation in cfx. assume cylindrical coordinates. now I want to obtain average of flow in θ direction and have the flow just on a r-z plane. do you know how to do that?

thanks very much

ghorrocks · July 2, 2019, 06:39

I don't think you can do this in CFD-Post. Look at more advanced post processors like Ensight, Fieldview or Tecplot. Alternately you can export the data and use a maths package like matlab or python to do it.

zese · July 2, 2019, 07:58

Quote:

Originally Posted by ghorrocks

I don't think you can do this in CFD-Post. Look at more advanced post processors like Ensight, Fieldview or Tecplot. Alternately you can export the data and use a maths package like matlab or python to do it.

thanks very much for your reply. would you please tell me how tecplot does that? I brought my data to tecplot but I dont have any idea

ghorrocks · July 2, 2019, 08:31

Try a tecplot forum - http://www.tecplottalk.com/forums/ or https://www.cfd-online.com/Forums/tecplot/

Gert-Jan · July 3, 2019, 03:47

You can create a cylindrical surface (Use User surface-menu, use a high enough resolution in axial and θ-direction) and run the turbo tab to let Post calculate the velocities in clindrical coordinates.
Then use the calculator to calculate the flow in θ direction. Don't know what you actually mean with 'flow' in this respect. In general, average velocities are easy to obtain sing areaAve. Using areaInt of a velocity, you can obtain a kind of flow................

zese · July 3, 2019, 19:11

Quote:

Originally Posted by Gert-Jan

You can create a cylindrical surface (Use User surface-menu, use a high enough resolution in axial and θ-direction) and run the turbo tab to let Post calculate the velocities in clindrical coordinates.
Then use the calculator to calculate the flow in θ direction. Don't know what you actually mean with 'flow' in this respect. In general, average velocities are easy to obtain sing areaAve. Using areaInt of a velocity, you can obtain a kind of flow................

thanks very much for your reply. I was aiming to sum velocity values in different theta and interpolate them into a r-z plane.

July 2, 2019, 06:33	post processing in cfx	#1
zese Senior Member Zese Join Date: Sep 2013 Posts: 104 Rep Power: 13	Dear friends I did 3 dimensional simulation in cfx. assume cylindrical coordinates. now I want to obtain average of flow in θ direction and have the flow just on a r-z plane. do you know how to do that? thanks very much

July 2, 2019, 06:39		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,852 Rep Power: 144	I don't think you can do this in CFD-Post. Look at more advanced post processors like Ensight, Fieldview or Tecplot. Alternately you can export the data and use a maths package like matlab or python to do it. zese likes this. __________________ Note: I do not answer CFD questions by PM. CFD questions should be posted on the forum.

July 2, 2019, 08:31		#4
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,852 Rep Power: 144	Try a tecplot forum - http://www.tecplottalk.com/forums/ or https://www.cfd-online.com/Forums/tecplot/ __________________ Note: I do not answer CFD questions by PM. CFD questions should be posted on the forum.

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July 3, 2019, 03:47		#5
Gert-Jan Senior Member Gert-Jan Join Date: Oct 2012 Location: Europe Posts: 1,910 Rep Power: 28	You can create a cylindrical surface (Use User surface-menu, use a high enough resolution in axial and θ-direction) and run the turbo tab to let Post calculate the velocities in clindrical coordinates. Then use the calculator to calculate the flow in θ direction. Don't know what you actually mean with 'flow' in this respect. In general, average velocities are easy to obtain sing areaAve. Using areaInt of a velocity, you can obtain a kind of flow................