# Line as function of one coordinate

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 January 8, 2011, 09:00 Line as function of one coordinate #1 New Member   Andrew High Join Date: Oct 2009 Posts: 3 Rep Power: 8 Hello I need to write expression of temperature at line as a function of coordinate y. Coordinates x and z are constant. I tried to look in help, but I had found no solution. One possibility is to export it as chart values, but it would be too complicated, because I need to work with other values in CFX post. Thank you for answers

 January 12, 2011, 12:41 #2 Senior Member   Bharath kumar Join Date: Apr 2009 Posts: 168 Rep Power: 9 hi handrew, i don't know the solution exactly.but i have an idea of doing this.make an expression like A = Y (i.e CFX variable),and a function named B with 1D interpolation scheme(like y=0 m;t=100deg c and y=10 m ;t=1000 deg c) and another expression named C = A(B). It may work for your need.

 January 13, 2011, 01:55 #3 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 12,638 Rep Power: 98 This is easy to do with a CEL expression function or 1D interpolation function. Just make the input variable y and the output variable temeprature.

January 15, 2011, 16:54
#4
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Andrew High
Join Date: Oct 2009
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Quote:
 Originally Posted by ghorrocks This is easy to do with a CEL expression function or 1D interpolation function. Just make the input variable y and the output variable temeprature.
That s what I want to do. But i don t know the right syntax. I suppose that I should use function probe, but I don t know how to use it with line ( with variable y). I didn t find the solution in help either.

 January 16, 2011, 18:21 #5 Super Moderator   Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 12,638 Rep Power: 98 In CFX-Pre, click the 1D interpolation function option. It will sort the syntax out for you.

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