Fluent monitor

Delcraft · January 14, 2014, 02:22

Hello everyone,

I have a question about Fluent monitors.

In a final of my problem solution, I would like to get such output variable (for example): (Pressure-in - Pressure-out) / Pressure-in. Moreover, I would like to track the convergence of this variable in a process of solving.

In CFX, I can get this by the next manner:
DPP = (areaAve(Pressure)@Inlet - areaAve(Pressure)@Outlet) / areaAve(Pressure)@Inlet

but I don't know, how can I do this in Fluent and is it possible in this program. Maybe anyone can help me.
Thanks in advance.

Best regards,
Delcraft.

diamondx · January 14, 2014, 14:09

this is done using user defined function ! I don't think it's doable via the regular monitor function in FLUENT

Kokemoor · January 15, 2014, 13:41

Somebody posted something recently about Custom Field Functions (Fluent User's Guide 33.5). I haven't used these, so I can't vouch for them, but they may work for you.

See 28.16 in the User's Guide for the Convergence Manager.

Delcraft · January 15, 2014, 14:08

Hello,

Thank you for your answers.
As I know, it is impossible via Custom Field Functions. I tryed this and without any success.
I hope that UDF can help me. But anyway, it doesn't seem a global problem

January 14, 2014, 02:22	Fluent monitor	#1
Delcraft New Member Paul Join Date: Apr 2012 Posts: 27 Rep Power: 14	Hello everyone, I have a question about Fluent monitors. In a final of my problem solution, I would like to get such output variable (for example): (Pressure-in - Pressure-out) / Pressure-in. Moreover, I would like to track the convergence of this variable in a process of solving. In CFX, I can get this by the next manner: DPP = (areaAve(Pressure)@Inlet - areaAve(Pressure)@Outlet) / areaAve(Pressure)@Inlet but I don't know, how can I do this in Fluent and is it possible in this program. Maybe anyone can help me. Thanks in advance. Best regards, Delcraft.

January 14, 2014, 14:09		#2
diamondx Super Moderator Ghazlani M. Ali Join Date: May 2011 Location: Tokyo, Japan Posts: 1,385 Blog Entries: 23 Rep Power: 29	this is done using user defined function ! I don't think it's doable via the regular monitor function in FLUENT __________________ Regards, New to ICEM CFD, try this document --> https://goo.gl/KAOIwm Ali

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January 15, 2014, 13:41		#3
Kokemoor Senior Member Andrew Kokemoor Join Date: Aug 2013 Posts: 122 Rep Power: 14	Somebody posted something recently about Custom Field Functions (Fluent User's Guide 33.5). I haven't used these, so I can't vouch for them, but they may work for you. See 28.16 in the User's Guide for the Convergence Manager.

January 15, 2014, 14:08		#4
Delcraft New Member Paul Join Date: Apr 2012 Posts: 27 Rep Power: 14	Hello, Thank you for your answers. As I know, it is impossible via Custom Field Functions. I tryed this and without any success. I hope that UDF can help me. But anyway, it doesn't seem a global problem