Over constrained Boundary Conditions

saisanthoshm88 · June 3, 2011, 03:12

Can some one please tell me if it is a over constrained approach to specify both volumetric flow rate and pressure on a inlet boundary

kambireddy · June 3, 2011, 05:13

yes, absolutely it is over constrained approach. moreover, its not possible to given two boundary conditions at one side.

May i know where you want to use?

saisanthoshm88 · June 3, 2011, 07:57

Hi,

Can you please tell me how to calculate pressure over the inlet given the volume flow rate and the fluid used being Air

kambireddy · June 3, 2011, 11:15

you can calculate velocity for given flow rate. then calculate total pressure over surface by using static pressure plus dynamic pressure.

Still, u had not in circle, describe your problem in detail..

June 3, 2011, 03:12	Over constrained Boundary Conditions	#1
saisanthoshm88 Senior Member --------- Join Date: Oct 2010 Posts: 303 Rep Power: 17	Can some one please tell me if it is a over constrained approach to specify both volumetric flow rate and pressure on a inlet boundary __________________ Best regards, Santhosh.

June 3, 2011, 07:57		#3
saisanthoshm88 Senior Member --------- Join Date: Oct 2010 Posts: 303 Rep Power: 17	Hi, Can you please tell me how to calculate pressure over the inlet given the volume flow rate and the fluid used being Air __________________ Best regards, Santhosh.

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June 3, 2011, 05:13		#2
kambireddy New Member Redddy Join Date: Sep 2010 Posts: 25 Rep Power: 15	yes, absolutely it is over constrained approach. moreover, its not possible to given two boundary conditions at one side. May i know where you want to use?

June 3, 2011, 11:15		#4
kambireddy New Member Redddy Join Date: Sep 2010 Posts: 25 Rep Power: 15	you can calculate velocity for given flow rate. then calculate total pressure over surface by using static pressure plus dynamic pressure. Still, u had not in circle, describe your problem in detail..