Some problems on the boundary conditions
 

Hi all，
I have some questions about CFX boundary conditions.
1.Is there a kind of boundary that is similar to Farfield in fluent?
2.As can been seen in tutorial, it recommends opening or free slip wall as the outflow boundary condition, but recently i did a test on some cases, but it did not work well. So i want to ask if i miss someting.
3.Could you please give me some suggestions about tansition model?Like Professor Menter's theory or application?
Thanks&Best Regards
LL

help
 

Any help please?

1) No, but I am not completely familiar with Fluent's farfield boundary.
2) "opening or free slip wall as outflow BC" - how can you use a wall for an outflow boundary?
3) It is described in the documentation and references from it.

Thanks.
(1)Farfield boundary is like Riemann boundary conditions. I just if what BC in CFX can define this type.
(2)In this situation I use the no free slip wall as the side while my domain is rectangle with its back still as the outflow BC. Or i can change the no slip wall with the openning type. i just want to know how to set this.
(3) I have read some.
Thanks&Best regards.
LL

Do a search of the forum - there are some old posts on Riemann BCs.