Nikhil Narale
Ansys Employee

Hello, 

 

It is a recommended practice to suppress the effect of turbulence in a porous region by enabling the Laminar Zone option. Please find the justification from the User's guide:
Regarding convergence issue, refer to the "7.2.3.9. Solution Strategies for Porous Media" section here: 7.2. Cell Zone Conditions (ansys.com)

If you are not able to access the link, refer to this forum discussion: Using Help with links (ansys.com)

Thank you!
Nikhil