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Can't make object float on FLIP simulation

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nvegaz
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Joined: 9月 2023
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Hey all. I've got a FLIP simulation of icing being poured on a cupcake, and I want to drop an object on top of it, but no matter what I do, the object ignores the particles and falls through—it should float on top of them. I've tried changing the densities, particle separation, feedback scale... nothing seems to work. What am I missing?

Thanks!

Attachments:
Cupcake_reduced.hiplc (1.2 MB)

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Enivob
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2627 posts
Joined: 6月 2008
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Here's a basic setup demonstrating the flip feedback scale in operation. As you can see the collider treats the flip icing as a wall. If you're trying to embed the geometry partially into the icing, take a look at a few of the donut tutorials with sprinkle icing. It's just a boolean VDB after the sim
Edited by Enivob - 2024年10月12日 11:35:21

Attachments:
ap_flip_viscosity_cupcake_icing_hero_impact_101224.hiplc (1.2 MB)
feedback_icing.gif (825.7 KB)

Using Houdini Indie 20.0
Windows 11 64GB Ryzen 16 core.
nVidia 3050RTX 8BG RAM.
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