Line as function of one coordinate

handrew · January 8, 2011, 08:00

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

bharath · January 12, 2011, 11:41

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.

ghorrocks · January 13, 2011, 00:55

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.

handrew · January 15, 2011, 15:54

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.

ghorrocks · January 16, 2011, 17:21

In CFX-Pre, click the 1D interpolation function option. It will sort the syntax out for you.

January 8, 2011, 08:00	Line as function of one coordinate	#1
handrew New Member Andrew High Join Date: Oct 2009 Posts: 3 Rep Power: 16	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

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January 12, 2011, 11:41		#2
bharath Senior Member Bharath kumar Join Date: Apr 2009 Posts: 169 Rep Power: 17	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, 00:55		#3
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,700 Rep Power: 143	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 16, 2011, 17:21		#5
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,700 Rep Power: 143	In CFX-Pre, click the 1D interpolation function option. It will sort the syntax out for you.