CEL language

painterwolf · May 23, 2009, 22:27

I need insert a control on temperature.
This control exist, is real, I have to reproduce it in CFX.
I need to do "Tcontrol (i)- T control (i-1)". How I can do this?
I don't know I can in my time step i, recall Tcontrol (i-1).
How I can write this expression in CEL language?

ghorrocks · May 24, 2009, 20:44

Hi,

In CEL you cannot get historical values. This is the single biggest limitation to CEL in my experience. Note functions like areaAve, massAve etc are evaluated from the variables at the previous iteration so if you can get the previous temperature from an areaAve or probe function you might be able to get it working.

Glenn Horrocks

May 23, 2009, 22:27	CEL language	#1
painterwolf New Member Mirko Join Date: May 2009 Posts: 15 Rep Power: 17	I need insert a control on temperature. This control exist, is real, I have to reproduce it in CFX. I need to do "Tcontrol (i)- T control (i-1)". How I can do this? I don't know I can in my time step i, recall Tcontrol (i-1). How I can write this expression in CEL language?

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May 24, 2009, 20:44		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	Hi, In CEL you cannot get historical values. This is the single biggest limitation to CEL in my experience. Note functions like areaAve, massAve etc are evaluated from the variables at the previous iteration so if you can get the previous temperature from an areaAve or probe function you might be able to get it working. Glenn Horrocks