How to set a DEM wall that also allow gas to flow out

Hi All,

In a CFD-DEM simulation, I want to set confinement above the particles. To this end, ideally, I want to create a DEM wall that can still allow gas to flow out. Do you have any ideas for how to achieve this?

Thank you very much.

1 Like

Thanks very much for this. It is exactly what I am looking for.