No option for outlet boundary condition in buoyancy flow -- CFD Online Discussion Forums

October 2, 2012, 15:41

No option for outlet boundary condition in buoyancy flow

vetnav

Member

Naveen

Join Date: Feb 2010

Location: Los Angeles

Posts: 65

Rep Power: 16

Hello,

I am trying to simulate a mixed convection flow in a duct. Please see the attached document for the geometry and small explanation of the problem. In CFX, I can't apply Neumann type BC at the flow outlet. If I choose the boundary as outlet, I don't get option to apply BC on temperature. On the other hand, if I choose the boundary as opening, I get only two options 1) Opening temperature and 2) Static temperature. Could someone please suggest me how can I apply Neumann boundary condition at the outlet.

Thank you

Attached Files

geometry.doc (38.0 KB, 10 views)

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