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Velocity Inlet / Pressure Outlet

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Old   February 28, 2016, 20:12
Default Velocity Inlet / Pressure Outlet
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Tyler
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Hi,

I am new to CFD and am using STAR to analyze the flow around a wing, at about mach 0.2. In the best practices manual STAR-CCM+ provides, it mentions to use a velocity inlet and pressure outlet for my speed regime. How do these work and how do I know what pressure to specify at the outlet.

I appreciate any information/help on this.

Tyler
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Old   February 28, 2016, 22:36
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Lane Carasik
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Quote:
Originally Posted by sandman View Post
Hi,

I am new to CFD and am using STAR to analyze the flow around a wing, at about mach 0.2. In the best practices manual STAR-CCM+ provides, it mentions to use a velocity inlet and pressure outlet for my speed regime. How do these work and how do I know what pressure to specify at the outlet.

I appreciate any information/help on this.

Tyler
If you're interested in how these specific boundary conditions are implemented mathematically, I recommend finding a copy of "Computational Fluid Dynamics" by Anderson and/or doing a bit of a search online (CFDOnline wiki too).

You shouldn't have to define a pressure for the pressure outlet and should just leave it as is.
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Old   February 29, 2016, 13:37
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Tyler
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Quote:
Originally Posted by lcarasik View Post
If you're interested in how these specific boundary conditions are implemented mathematically, I recommend finding a copy of "Computational Fluid Dynamics" by Anderson and/or doing a bit of a search online (CFDOnline wiki too).

You shouldn't have to define a pressure for the pressure outlet and should just leave it as is.
Thanks man, I'll check out that book.
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