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Showing results for tags 'flip-fluid'.
Found 8 results
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Hi guys, In a Flip-Fluid simulation I need to use a POP Source instead of Volume source. Now when I turn the Rest attribute to ON, in the FLIP solver->Particle Motion->Rest tab, the output of the rest is always zero..! How can I fix it? (I need the rest attribute to use with a noise on pscale of bubbles inside my fluid). Thanks for helping. Bubble.hip
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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.
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Hi guys, I have two RBD objects, floating on FLIP-fluid. I set the Density (mass) to 400 (lower than the fluid mass). When two objects are of the same amount of mass, they have to react in the same way, right? I mean in this case, they have to stay on the surface. The problem is the bigger object stays on the surface, but the smaller one sinks into the fluid: - How can I fix it? - How can I set the density(mass) in the SOP level (as an RBD source)? Thanks for helping. Floating RBDs.hip
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Hi guys, How can I make an interaction between a FLIP-Fluid and a vellum object? Is it possible? Thanks for helping. FLIP and Vellum Interaction_01.hip
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Hello I would like to create a Fluid-RBD interaction. But as you can see in the image below, the fluid pushes the rigid body so strongly. I need the rigid body to be a little bit heavy and to float on the fluid, based on its mass attribute. (Decreasing the "Feedback Scale", didn't help). Thanks for helping. RBD-FLIP Interaction_01.hip
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Hello guys, As you know, the default attribute value of "Density" in Flip-Fluid is 1000. Now, in a simulation with two amounts of "Densities" (e.g 1000 and 100), what is the best way to speed up the rising speed of low-density fluid particles? I want to force them to reach the fluid surface as fast as possible (maybe something like the buoyancy parameter, in the pyro solver). Thanks for helping.
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Hi guys, How can I apply different “Surface Tensions” to two parts of a FLIP-Fluid simulation? I tried to use the "Gas Surface Tension", but there is no attribute name tab or particle group name tab! I think some nodes like "SOP Scalar Field" or "Scalar Field" should be used to introduce the selected particles, but I don't know how to... Thanks for helping. Surface Tension.hip
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Hello; In a simple Flip simulation, I assigned an attribute (called "myAttrib") to the particles. Now I would like to change my attribute on some group of points over time. The "Gravity" node changes the position of particles, so I can't use "SOP Solver"... How can I change the attribute's value of (some) points, during the simulation? Thanks for helping. Flip_01.hip
