Dear MFIX Contributors,
I find that mfix-pic does not support computing two-dimensional geometric models in the current version. I wonder why?
The PIC formulation is inherently three-dimensional. You can set a thin 3D simulation, but you need at least 3 cells in each direction.
https://mfix.netl.doe.gov/doc/mfix/19.2.2/reference/pic_tips.html