To extract data over a circle

tyagikartik · April 19, 2016, 08:29

I am new to Tecplot. I have a 3D annulus geometry. I want the temperatures across the circumference of a circle at a specified radius. Can someone please help me?

mahongye95 · December 2, 2019, 00:22

Have you solved the problem? I hope I can get the solution. Thank you

wsfowler · December 9, 2019, 14:06

One option is to compute a 'radius' variable using Data>Alter>Specify Equations.

For example:
{radius} = sqrt(X*X+Y*Y)

Then do the following:
1) Create an iso-surface based on 'radius'.
2) Extract the iso-surface to a new zone
3) Activate only the new iso-surface zone
4) Create a slice at Z=nnn, ensuring that the slice cuts through surface data.
5) Extract the slice to a new zone

This will leave you with line data at a specific 'radius' and 'z' location.

I hope this helps.

mahongye95 · December 10, 2019, 08:21

Thank you very much for your comments

damu1414 · July 25, 2020, 10:44

Dear Scott,

I have been trying to extract data over a circle in 2D using tecplot similar to polyline extraction. Is it not possible? How may I do the data extraction along a curved surface?

April 19, 2016, 08:29	To extract data over a circle	#1
tyagikartik New Member kartik Join Date: Apr 2016 Posts: 2 Rep Power: 0	I am new to Tecplot. I have a 3D annulus geometry. I want the temperatures across the circumference of a circle at a specified radius. Can someone please help me?

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December 2, 2019, 00:22		#2
mahongye95 New Member Hongye Ma Join Date: Jun 2019 Posts: 2 Rep Power: 0	Have you solved the problem? I hope I can get the solution. Thank you

December 9, 2019, 14:06		#3
wsfowler Member Scott Fowler Join Date: May 2009 Posts: 60 Rep Power: 13	One option is to compute a 'radius' variable using Data>Alter>Specify Equations. For example: {radius} = sqrt(XX+YY) Then do the following: 1) Create an iso-surface based on 'radius'. 2) Extract the iso-surface to a new zone 3) Activate only the new iso-surface zone 4) Create a slice at Z=nnn, ensuring that the slice cuts through surface data. 5) Extract the slice to a new zone This will leave you with line data at a specific 'radius' and 'z' location. I hope this helps.

December 10, 2019, 08:21		#4
mahongye95 New Member Hongye Ma Join Date: Jun 2019 Posts: 2 Rep Power: 0	Thank you very much for your comments

July 25, 2020, 10:44		#5
damu1414 New Member damu Join Date: Feb 2017 Posts: 22 Rep Power: 6	Dear Scott, I have been trying to extract data over a circle in 2D using tecplot similar to polyline extraction. Is it not possible? How may I do the data extraction along a curved surface?