Follow quantity of an element during simulation ?

adrieno · April 11, 2016, 04:47

Hi foamers,

I'm simulating (using reacting foam) a leak of CH4 in something looks like a pipe.
I would like to know at each time (I'm doing a steady-state simulation) the quantity of CH4 in my pipe. Is it possible to do that ?

FIRST:
Is it possible to know the quantity (mass) of an element during a simulation ?

SECOND:
If yes, is it possible to plot it during simulation (like we can plot residuals) ?

Thank you,
Adrien

adrieno · April 11, 2016, 12:12

All I want to do is to plot the mass balance for CH4 (which one element among others in my flow) in fact...

anishtain4 · April 11, 2016, 16:29

Seems you want need fieldAverage function object:
http://cfd.direct/openfoam/user-guide/function-objects/
check the tutorials to find similar cases.

April 11, 2016, 04:47	Follow quantity of an element during simulation ?	#1
adrieno Member AdOo Join Date: Mar 2016 Location: Bordeaux Posts: 91 Rep Power: 10	Hi foamers, I'm simulating (using reacting foam) a leak of CH4 in something looks like a pipe. I would like to know at each time (I'm doing a steady-state simulation) the quantity of CH4 in my pipe. Is it possible to do that ? FIRST: Is it possible to know the quantity (mass) of an element during a simulation ? SECOND: If yes, is it possible to plot it during simulation (like we can plot residuals) ? Thank you, Adrien

April 11, 2016, 16:29		#3
anishtain4 Senior Member Mahdi Hosseinali Join Date: Apr 2009 Location: NB, Canada Posts: 273 Rep Power: 18	Seems you want need fieldAverage function object: http://cfd.direct/openfoam/user-guide/function-objects/ check the tutorials to find similar cases. adrieno likes this.

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April 11, 2016, 12:12		#2
adrieno Member AdOo Join Date: Mar 2016 Location: Bordeaux Posts: 91 Rep Power: 10	All I want to do is to plot the mass balance for CH4 (which one element among others in my flow) in fact...