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Average pressure Outlet BC in CFX

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Old   May 24, 2016, 05:18
Post Average pressure Outlet BC in CFX
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Pranjal Singh
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Hi there!

I'm simulating artery blood flow by ANSYS-CFX 2-way FSI. I can only see two options for pressure outlet: Outlet and Opening. To model pulsating fluid, I've selected Opening condition. However, the pressure is fixed throughout the simulation. How can I specify that the pressure as an average value over the simulation time as can be done in FLUENT?

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Old   May 24, 2016, 06:09
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Originally Posted by PranjalNewton View Post
How can I specify that the pressure as an average value over the simulation time
Are you asking how to set a constant value as a boundary condition? Just set it?
Or do you want to have a time-varying pressure boundary condition? See e.g. http://www.cfd-online.com/Forums/cfx...dary+vary+time
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Old   May 24, 2016, 06:39
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Thanks for the reply. The problem is solved. Turns out I needed to use STATIC pressure and direction option!

P.S. If anyone get's same doubt in future, refer to following manual sections:
https://www.sharcnet.ca/Software/Ans.../i5500692.html (2.3.3. Using Inlets, Outlets and Openings)
https://www.sharcnet.ca/Software/Ans.../i1301250.html (2.6.1. Mass and Momentum)
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fsi 2-way coupling, outlet boundary condition, pulsatile flow

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