# Problem with probe

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 March 15, 2010, 03:53 Problem with probe #1 New Member   Jörg Join Date: Mar 2010 Posts: 3 Rep Power: 7 Hello! I have a little problem regarding to the probe-function in Ansys CFD-Post. My intention is to determine the velocity of my model in several discreet points given by x-, y- and z-coordinates. I want to use - correct me if I'm wrong - the probe function with the following syntax: probe(velocity)@(0;0;0) Unfortunately I don't get a solution, I think the location-coordinates-syntax is wrong. What is the right syntax? Thanks in advance! Best Regards, Jörg

 March 15, 2010, 06:36 #2 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 10,665 Rep Power: 84 Make a point object on the front page of CFD-Post. Then the probe(velocity)@Point 1 function should work.

 March 15, 2010, 08:44 #3 New Member   Jörg Join Date: Mar 2010 Posts: 3 Rep Power: 7 Yes this works...Thanks! But this isn't useful for many points. I have to probe approx. 8000 points. I can't create them all manual. And Point clouds aren't "probe-able". My target is to get the velocity of each point of an closely point grid of an rectangular plane, ideally as an table like this: | X-coord. | Y-coord. | Z.-coord. | velocity | | ... Please help me! Thanks.

 March 15, 2010, 15:20 #4 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 10,665 Rep Power: 84 Turn the session recorder on and record a session file. While recording, make a point object and stop recording. Look at the session file in a text editor - you can now edit (copy/paste) the session file to generate as many points as you like. If you feel really clever you can even use a perl script loop to generate zillions of points in a small loop. To export the data you simply use the file/export command and select the locators (in this case the points) and the variables you wish to export.

 March 16, 2010, 03:25 #5 New Member   Jörg Join Date: Mar 2010 Posts: 3 Rep Power: 7 D-Oh! I have never seen the file->export option before. Now it is really easy. Sometimes I don't see the forest because of all the trees.... Best thanks! -to be closed-

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