Masoud Posted June 24, 2023 Share Posted June 24, 2023 Hi guys, In a small-size Flip-Fluid simulation, I would like to increase the outer particle density (on the surface of fluid). So I set these parameters: Particle separation = 0.006 Particle Radius = 1.3 Grid Scale = 1.1 Velocity Transfer = "APIC (Swirly)" Surface Oversampling = 40 Oversampling Bandwidth = 3 Surface Tension = 1 Sub-Step = 2 But the result is not satisfying! Outer particles are jittering and the surface is not even. How can I fix it? Thanks for helping. Quote Link to comment Share on other sites More sharing options...
Atom Posted June 24, 2023 Share Posted June 24, 2023 Perhaps try vellum fluids..? https://www.sidefx.com/tutorials/h19-vellum-fluids-starter-pack/ Quote Link to comment Share on other sites More sharing options...
samesami Posted June 24, 2023 Share Posted June 24, 2023 Add more Sub-Step Quote Link to comment Share on other sites More sharing options...
Masoud Posted June 24, 2023 Author Share Posted June 24, 2023 Hi Atom, Vellum needs too sub-steps and doesn't support some cool things like id and Age : https://www.sidefx.com/docs/houdini/vellum/vellumvsflip.html Quote Link to comment Share on other sites More sharing options...
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