"limit gradient;" in "capillaryRise" tutorial.

ata · February 19, 2011, 07:15

Hi Dear FOAMers
In the tutorials. In the case "capillaryRise". For boundary condition for walls. What does "limit gradient;" means?
"
walls
{
type constantAlphaContactAngle;
theta0 45;
limit gradient;
value uniform 0;
}
"
Any help will be appreciated.
Best regards

Ata

akidess · February 21, 2011, 09:03

You already posted in another thread that contains the answer to your question: http://www.cfd-online.com/Forums/ope...tml#post279470

Did you forget?

ata · February 23, 2011, 06:43

Hi
Thank you very much. You are right but that post is not clear. I do not know when I should use from what?
Best regards

February 19, 2011, 07:15	"limit gradient;" in "capillaryRise" tutorial.	#1
ata Senior Member ata kamyabi Join Date: Aug 2009 Location: Kerman Posts: 323 Rep Power: 18	Hi Dear FOAMers In the tutorials. In the case "capillaryRise". For boundary condition for walls. What does "limit gradient;" means? " walls { type constantAlphaContactAngle; theta0 45; limit gradient; value uniform 0; } " Any help will be appreciated. Best regards Ata

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February 21, 2011, 09:03		#2
akidess Senior Member Anton Kidess Join Date: May 2009 Location: Germany Posts: 1,377 Rep Power: 30	You already posted in another thread that contains the answer to your question: http://www.cfd-online.com/Forums/ope...tml#post279470 Did you forget?

February 23, 2011, 06:43		#3
ata Senior Member ata kamyabi Join Date: Aug 2009 Location: Kerman Posts: 323 Rep Power: 18	Hi Thank you very much. You are right but that post is not clear. I do not know when I should use from what? Best regards