I'm working on something related to art direct the swirly motion of gases; Its an implementation of a custom buoyancy model that let you art direct very easily the general swirly motion of gases without using masks, vorticles, temperature sourcing to have more swirly motion in specific zones, etc. Also it gets rid of the "Mushroom effect" for free with a basic turbulence setup.
Here are some example previews. Some with normal motion, others with extreme parameters values to stress the pipeline.
For the details is just a simple turbulence + a bit of disturbance in the vel field, nothing complex, because of this the sims are very fast (for constant sources: average voxel count 1.8 billions, vxl size 0.015, sim time 1h:40min (160 frames), for burst sources, vxl size 0.015, sim time 0h:28min).
I'm working on a vimeo video to explain more this new buoyancy model that I'm working on.
I hope you like it!
Cheers,
Alejandro
constantSource_v004.mp4
constantSource_v002.mp4
burstSource_v004.mp4
constantSource_v001.mp4
burstSource_v002.mp4
burstSource_v003.mp4
burstSource_v001.mp4
constantSource_v003.mp4