Placing this here in the hope that some of you smart people can figure this program/app out.
The (software ? ) is called Fluid X3D
Here is a link to a video of a render :
https://youtu.be/5AzxwQpng0M
It APPEARS to even be opensorce :
" The fastest and most memory efficient lattice Boltzmann CFD software, running on any GPU via OpenCL."