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Found 4 results

  1. Flip Fluids deforming collision objects

    So I am quite new to Houdini, I have a fairly simple setup where I am simulating the behavior of a viscous material where viscosity is increasing exponentially with age and multiplier. So by frame 120 particles stop moving. I am emitting in a line in a loop back and forth so slowly the particles start creating a layered wall. However I have encountered 3 very intriguing problems which for the world in me I cannot seam to figure out: 1 - When meshing the particle data the particles that are close get meshed (obviously) and I don't really see the layering that I need to. Tried creating a very highrez model but didn't really work. (Is there a way to use the viscosity or age variable to stop particles from meshing together and keep the layering intact?) Currently using VDB from Poligons then converting it. 2 - Despite a very high Viscosity, the particles move somewhat when new layer of particle is added on top. Is there anything like Pop-State (as in previous releases) where I can freeze the particles with attributes? currently using (if viscosity>100000 {v = 0,0,0) to set velocity to 0 once viscosity is high enough. 3 - If I wanted to use a deformable (cloth/plastic/elastic) object to fill the flip fluid into how can I go about this? I hope some of you brilliant houdini artists have some advice or tips on how to go about solving these problems. Houdini file attached. SimCon1.hip
  2. Houdini lava sim troubleshooting

    I am having two issues here. One, I am unable to figure out how to cool down the system so that when the lava hits an object it begins to cool down. My second issue is how do i make the particles smaller? right now i have large balls that are fairly visible when the lava hits the rock surface. Please advise how i can fix these issues. Thank you for your time and consideration. lava_smoothing_004.hipnc
  3. FlipTank EMPTY itself *Problem*

    Hi, I've been doing a boat like effect, started from FlipTank (from shelf) but as I add to Flip Solver (in Volume Velocity input) a "Source_Collision_from_Volume" that is my volume made from PolyfromVDB attatch to a Fluid Source that is used to create my "collisionVelocity" attribute the Tank get EMPTY after a couple frame. Thanks
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