an outlet boundary condition

bryant_k · June 24, 2013, 07:16

Hello everyone
I am confusing by an outlet boundary condition.The expression of the variable at outlet is:

Code:

d(phi)/dn=(u x e_z) dot n
where
u is the velocity vector,it is an variable also.
e_z is  the z axis unit direction vector(0 0 1). 
n is the unit normal

Can you tell me how can I realize this boundary condition?

Thank you very much!

best regards!

bryant

bryant_k · June 27, 2013, 00:59

Hello everyone
If someone knows about this,I hope you can give me some advice.I have no idea about it.What kind of boundary condition can I use?

Thank you very much!

regards!

bryant

June 24, 2013, 07:16	an outlet boundary condition	#1
bryant_k New Member kob Join Date: Nov 2011 Posts: 28 Rep Power: 14	Hello everyone I am confusing by an outlet boundary condition.The expression of the variable at outlet is: Code: d(phi)/dn=(u x e_z) dot n where u is the velocity vector,it is an variable also. e_z is the z axis unit direction vector(0 0 1). n is the unit normal Can you tell me how can I realize this boundary condition? Thank you very much! best regards! bryant Last edited by bryant_k; June 24, 2013 at 09:22.

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June 27, 2013, 00:59		#2
bryant_k New Member kob Join Date: Nov 2011 Posts: 28 Rep Power: 14	Hello everyone If someone knows about this,I hope you can give me some advice.I have no idea about it.What kind of boundary condition can I use? Thank you very much! regards! bryant