[probl3m]

Hi all,

I was running a simulation of a high pressure inside an object venting out to atmosphere.

I originally had the boundary condition set as a static pressure of 1 bar at the opening, but as it was creating a vortex and I realised this wasn't a very accurate representation of reality so I've put the object into a large 'chamber' and set the boundary condition on the surface of this.

This is still giving the 'vortex crosses the pressure opening warning'. My question is does this matter if all I'm interested in is the mass flow out of the object and not what the flow does after it has exited the object? (bearing in mind I think the 'chamber' is probably large enough to accurately represent the flow in the region of the opening.)

Thanks.