pressure and outlet?
 

Hi all!!

I have a question about boundary condition. What is different pressure boundary conditon with outlet boundary condition?

Thanks a lot.

Re: pressure and outlet?
 

Outlet defines zero gradients normal to the boundary. An outlet will not allow back flow, pressure will!

Re: pressure and outlet?
 

Thanks.

Pressure and Outlet have same result?? and, Which is better to convergence?