Learning Forum

[n01469239]

Hello Guys, 

I have a question about whether an inlet and outlet can be modeled inside an enclosure. I continue to get a warning saying "Flow boundary zone is adjacent to a solid zone. This problem Must be fixed before a solution can proceed." The problem is that I am trying to model a closed system, meaning the two inlets and two outlets are captured inside the enclosure I've created. I am trying to model the walls as a solid in the system but the inlets and outlets are on the walls. 

 

1st Inlet 

2nd Inlet 

 

1st and 2nd Outlet 

Picture of warning 

I just wanted to know if I could bypass this warning or if there is a different way to structure the enclosure.

I would appreciate any help or advice you can give me.  

[Rob]

Inlets and outlets must be on an external boundary as they add/remove mass from the domain. So they'd be on the exterior of an enclosure. The images suggest the two "corner" regions shouldn't be in the model?

[n01469239]

Hello Rob, 

Thank you for the input, that makes perfect sense. However, I am not sure how to structure the enclosure to keep the necessary geometry in the fluid volume. Could I maybe make two enclosures and connect them somehow? 

The two black boxes are the regions of interest but I want to try and keep the walls circled in red in the enclosure. 

[Rob]

Have a look in the geometry tutorials and focus on split/boolean operations.