# How to plot streamlines on a slice?

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February 2, 2014, 18:33
How to plot streamlines on a slice?
#1
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Bart A.
Join Date: Feb 2012
Posts: 45
Rep Power: 7
How can I plot streamlines on a slice? I only found ways to enable contour or vector plots on a slice.
I've managed to do this in CFD post (see attachment), but because my dataset is too big now CFD post is unable to handle this. Hence I switched to Tecplot 360.

How can I achieve a similar looking visualisation in Tecplot 360? The attachment shows what my goal is. The image shows the streamlines colored by velocity on three different bounded planes.
Attached Images
 Screen Shot 2014-02-02 at 23.24.29.png (39.7 KB, 352 views)

 February 6, 2014, 17:52 #2 Member   D L Join Date: Jun 2012 Posts: 36 Rep Power: 7 Streamlines are integrated on U V W vectors so naturally they won't constrain themselves to a slice. One way to work around this is by forcing one of your Vectors (for example W) to zero. This really only works if you're looking at slices in the principle axis. If you want streamlines on a Z slice, you can go to calculate variables and create a new variable = 0. Then under Vectors, set X to U, Y to V, and Z to your newly created variable which should be zero. Now show your slice and seed streamlines on that slice. Because Tecplot now thinks that your Z component of your vector is 0, the streamlines shouldn't deviate out of the plane. Take caution however, because your Z component is not the true component value, the streamline integration might not be entirely accurate.

 November 17, 2014, 12:45 #3 Senior Member   Scott Rumage Join Date: May 2009 Location: Seattle, WA Posts: 152 Rep Power: 10 Tecplot has posted a nice tutorial on plotting streamlines, streaklines & particle paths located here: http://www.tecplot.com/blog/2014/10/31/streaklines-streamlines-particle-paths/ .This video should be helpful in answering your question. Regards, Scott

 November 17, 2014, 12:56 Streamlines on a slice #4 Member   Durrell Rittenberg Join Date: May 2011 Location: Bellevue WA Posts: 38 Rep Power: 8 Hi Ziggo, We have had several requests for streamtraces on a slice in the past few years. Generally the approach Andy outlined is a reasonable approach. There is an alternative method where you extract the slices from the volume domain and use "surface" streamtraces to create the plot of interest. I will post a tutorial on the process using Tecplot 360 EX later today. My tutorial on streaklines etc. is not related to this particular solution, but it gives a simple overview. Link to tutorial: http://youtu.be/r4wItXyDQb8 Best Durrell Tecplot 360 Product Manager fruitkiwi likes this. Last edited by Durrell4; November 17, 2014 at 15:54. Reason: added link to tutorial

 October 23, 2016, 02:37 #5 New Member   amit agrawal Join Date: Jun 2016 Posts: 5 Rep Power: 3 sir i am not able to make streamtraces on selected zone..how to creat sir. in figure see i did slice in x axis then i made extract and select my x axis extract and make slice but it not made slice..pls reply http://file:///I:/untitled.png

 Tags slice, streamlines, surface, tecplot 360

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