User function

Lakshmisundar · July 8, 2014, 02:47

I'm trying to define an user function for which i have the input in *.csv format... Can anyone tell me how to provide it in the function.
I couldn't see the option interpolation(from file)

Meister · July 10, 2014, 14:10

A user function is a simple function f(x) - if your data is not too complex I would recomend to put it in excelsheet and get a couple of points out of the function and typing that by hand into the user-function. I think if you describe more closely what you are goint to do and whats the use of that function you will get better answers.

regards

evcelica · July 10, 2014, 17:02

Right click on user function, create new function.
Type in the argument and result units.
Right click in the big white box, import data.
Only 1000 rows can be brought in last time i checked.

I usually use two columns in excel and save as "text, tab de-limited"
Then import it in CFX pre.

Zeynali · July 13, 2014, 10:23

I am trying to use pmv and ppd function of comfort factor in cfx for use in HVAC simulations. but the help document of ANSYS (CFX) is not useful and there is no complete guide. are there any document or guids?

When we import "comfort-factors.ccl" in CFX-Pre, at next part (solver manager), the below error is appear:
http://bayanbox.ir/id/2345786180698733734

July 8, 2014, 02:47	User function	#1
Lakshmisundar New Member Lakshmi Sundar Join Date: Jun 2014 Location: India Posts: 5 Rep Power: 11	I'm trying to define an user function for which i have the input in *.csv format... Can anyone tell me how to provide it in the function. I couldn't see the option interpolation(from file)

July 10, 2014, 17:02		#3
evcelica Senior Member Erik Join Date: Feb 2011 Location: Earth (Land portion) Posts: 1,167 Rep Power: 23	Right click on user function, create new function. Type in the argument and result units. Right click in the big white box, import data. Only 1000 rows can be brought in last time i checked. I usually use two columns in excel and save as "text, tab de-limited" Then import it in CFX pre. Meister and Saeef like this.

July 13, 2014, 10:23	PMV (Predicted Mean Vote) and PPD (Predicted Percentage of Dissatisfied))	#4
Zeynali New Member Iman Join Date: Jul 2014 Posts: 1 Rep Power: 0	I am trying to use pmv and ppd function of comfort factor in cfx for use in HVAC simulations. but the help document of ANSYS (CFX) is not useful and there is no complete guide. are there any document or guids? When we import "comfort-factors.ccl" in CFX-Pre, at next part (solver manager), the below error is appear: http://bayanbox.ir/id/2345786180698733734

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July 10, 2014, 14:10		#2
Meister New Member Thomas Join Date: May 2014 Posts: 14 Rep Power: 11	A user function is a simple function f(x) - if your data is not too complex I would recomend to put it in excelsheet and get a couple of points out of the function and typing that by hand into the user-function. I think if you describe more closely what you are goint to do and whats the use of that function you will get better answers. regards