Forums Technical Discussion FLIP SOP how to have closed collider?

FLIP SOP how to have closed collider?

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mzigaib
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I want to have fluid inside a sphere like container, how can I do that with the FLIP SOP workflow?
I tried to invert the SDF in the collider but it does not work, can someone help me?

Thanks!
Edited by mzigaib - 2025年3月26日 23:33:49
https://vimeo.com/user2163076 [vimeo.com]
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Zybrand
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I also tried and couldn't get the invert SDF trick working with the FLIP SOP workflow. My workaround was to fix it in sops by creating a thick shell to collide with instead of trying to invert the collision.

Attachments:
closed collision.JPG (106.7 KB)

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mzigaib
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Thanks for the feedback, I am glad that there is a solution for that I really like the FLIP SOPs workflow.
I also did try that my way and for some reason it did not work my particles inside were disappearing but I will try again and see what happens, I hope Sidefx have a plan to have a simple solution for situations like this.

Do you need to "fill interior" when you create the inside and outside VDBs before combine them?

Thanks!
Edited by mzigaib - 2025年3月27日 09:03:17
https://vimeo.com/user2163076 [vimeo.com]
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mzigaib
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I am not sure why but I try the exact same thing and it does not work for me.
Could someone help me with this?

Image Not Found
Edited by mzigaib - 2025年3月27日 22:51:18

Attachments:
closed_collider_v01.hipnc (689.4 KB)
Screenshot From 2025-03-27 23-50-21.png (496.0 KB)

https://vimeo.com/user2163076 [vimeo.com]
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