CMYK support is currently in active development. Martin has been working working on it for about two years, and he regularly posts update videos about inkscape [0].
Solving the Navier-Stokes equations numerically in 3D is very time-consuming, even on HPC clusters, not to mention the additional modeling required for multiphase flows. Your answer implies that the solutions are obtained almost instantaneously, which is not the case.
I'm curious if anyone has had any success building this package. I've spent a lot of time trying to build it myself, but unfortunately haven't been able to get it to work. Has anyone else had better luck?"