dunk

https://youtu.be/TPrEkdiijIQ

E562: "Unstable Sim"
You can probably tell my fluid sim isn't totally physically accurate - doesn't really understand real world unit distances (meters etc),

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E562: "Unstable Sim"

YouTube
Mar 9 at 3:35pmWeb
Show threaddunkMar 9
and if velocity dissipation is very low (velocity propagated without fading out) and vorticity confinement is high (adding swirly vortices), the vorticity step adds more speed to the sim than is dissipated and it starts running away (ie more energy/motion is added than fades away, so it gets more and more motion over time)