Which software should I use to draw the geometry I want and import it into mfix

MFiX How to
#1

Can I use SOLIDWORKS drawings and import

#2

yes, you can draw in solid works and export an STL file that MFIX can use. Just make sure to draw the “fluid geometry” or the volume that the fluid can occupy. Also, you might want to play with the STL export settings to try and get nice triangles (nice aspect ratios).