I don't think there is a current CFD thread so I'll drop this here:
BEST Features in Blender 3.6 in LESS than FIVE Minutes! at 2"22
I don't see a CFD solution in Blender yet; but the new Simulation Node editor creates a framework with supporting data structures (OpenVDB) to enable that. Much like creating AI prompts, the design of node trees is non-trivial.
So, 3.6 extends functionality in the node editor with something called Implicit Sharing.
Instance on Points
Instance to Points
Points to Vertices
Mesh to Points
....are all ten times faster. This is on top of loading meshes, point clouds and volumes also 10x.
https://youtu.be/rRK4-k-4hRU?t=51
Quote:
...these new simulation
nodes are pivotal new feature that give
artists the power to create Dynamic
simulations within geometry nodes with
the simulation input and output nodes
simulations will evolve frame by frame
creating incredibly intricate and
real-time visual effects and you keep
your workflow streamlined all the
simulation results can be baked or
cached with the new panel in the physics
tabs
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Above my pay grade, but with Free and Open Source software one person's algorithm can spread to the hive mind.