I 'm doing an industrial reactor simulation. The model is roughly a cylinder with 80 gas inlets, which are enclosed in a circle with equal spacing, as shown in the figure. And the velocity direction of these gas inlets points to the center of the cylinder. In MFIX, how do I describe or define these 80 gas inlets.
MFiX allows up to 500 boundary conditions so you could just define these like any other inlet in MFIX. It would be a bit tedious to do so by hand so maybe write a Python script to produce the needed .mfx file?
But how do I define these inlets in the Region. It seems that Region can only define a plane parallel to the coordinate axis, and cannot define a curved surface.