nikolaidigital
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Hey there, I've encountered imo strange behaviour with my flip Sim. I got Liquid running down stairs. The Liquid should be a bit viscous so I introduced the attribute on SOP Level. For the collider I used volume collisions and a pretty high-res (.002 voxel soze on a 5m Stair) VDB to which I am pointing in my Static Object. When I simulated the liquid with f.e. 100000 viscosity (I tried values from low to super high) its just behaving like water. As soon as I decrease the resolution of my collider it works as expected, or If I increase the resolution of my Flip Sim while leaving the high-res collider as it is it also works as expected. My Question would be: Is there a dependecy between the resolution of the collider and the fluid? does a low res fluid not work properly with a high-res collider? I thought the more resolution on my collider (not too much to keep it efficient) the better. But it seems like that is causing issues -- in my case the solver ignoring the viscosity and the fluid splashing like water while showing correct viscosity values in the GEO Spreadsheet... Thanks in advance and stay safe!
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Hey folks, simple question... is it possible to use the POP Spin or POP Torque (DOP Nodes) on a Vellum Grains sim. I am emitting Vellum Grains continuously and after the sim i use the Grains to copy f.e. Boxes onto the Points. But i can't get the Geo to rotate. They stay static at one axis and don't rotate. So my question is: Is it possible to use POP Spin or Torque on Vellum Grains? Cheers
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Okay lol i had to think about an hour or so, then i posted. BUT, i got the Solution! For everyone who runs into the same problem -> if($FF>1&& $FF<48, ($FF%8==1),0)
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Hey Guys, i got a question. I got a vellum sim and i am emitting every 8th Frame one sphere into my sim. I did it with -> $FF % 8 == 1 but now i want that emission just between Frame 1 - Frame 48. So between F1 and F48 i want every 8th Frame an emission. How can i get this with an expression? Cheers and Thanks!
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Yeah i tried these Methods and retime did the job. But i tried to do this by an attribute or something that i can run f.e. a noise over my flip particles and link that to the attribute that stops the motion. This way i could achieve that the freezing begins at the under section and stops at the top. But Thank you!
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Hey Guys, Imagine an object which fills with liquid over time. When the object is full of liquid i want the motion of the Flip Fluid stop oder decrease over time. For example: - Object fills with Flip Fluid from Frame 1 to Frame 96. - Liquid and all motion of it slows down from Frame 96 to Frame 144, at Frame 144 everything is not moving anymore. I tried some pop wrangle inside my DOP but i cant get this working. Any suggestions? Should i do this after the DOP in SOP Level in a Vop/Wrangle or could I achive this inside my DOP? And How? Thanks and Greets, me
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Convert Mesh to fluid that stays the same size
nikolaidigital replied to nikolaidigital's topic in Effects
Yes, I made a simpler Setup and now it worked. Thanks! -
Hi everyone, i got a question and can't figure a way out. Imagine a bottle, and a mesh that perfectly fits into that bottle. I want to convert the mesh into a flip fluid and when i turn on gravity i want it to be as big as before. So my bottle is filled. The reason why i want that, is that I have a drop coming from above and falling into that bottle. When it collides with the fluid inside the bottle, I want a little splash and then the sim is done. How can i get a filled bottle that stays filled after I turn on the Sim. Maybe someone got the same problem or a solution, but i can't get my head around it! Thanks and Cheers!
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Hi everyone, I got an issue with rendering a Lot of Spheres in Octane. I scattered 1 million points on a surface and copied Spheres on it (with the CopyStamp SOP). I packed it but it does not render and crash. Can somebody tell me how i can render Instances in Octane or point out some Informations, i can't figure out how to do it right due im new to Houdini and Octane. Cheers!