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FLIP doesn`t maintain it`s volume


ghenci

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Hi! Here is a problem. I try to create liquid inside some volume, for example in the botlle. If bottle is static all is OK, but if bottle is moving - FLIP inside this object start to compress and is losing its volume.... Does anyone know how to resolve this problem? Here is link to sample video:   https://www.youtube.com/watch?v=RBE_5Oae5dY&feature=youtu.be

 

Any help will be appreciated! 

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  • 3 months later...

I would bet it's the thin collision volume. The FLIP Solver does not like it when the collision volume is not thick enough. You should aim at two voxels minimum, that would equate to 4 * particle separation. You should probably have a version of the bottle that is clearly thicker (outwards), and use that for the collision.

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