Divergence vs Particle Separation in FLIP

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I'm currently working on a large scale FLIP animation and I'm running into a question,
I need to fill with liquid a very large object (like a house), and I figure that the divergence was doing a great fob until I reduce my particle separation for a higher definition.

Sim look different, but that it's fine. The main problems is the volume that doesn't fill anymore, so is there any kind of equation or technique that I can apply to ensure the same result persist over particle separation. Any advice is welcome

I made a video of the difference using the same divergence value over time

Thanks for your time

https://www.youtube.com/watch?v=h06Sq6BZZmM&feature=emb_logo [www.youtube.com]
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You may need to increase the scale of the volume on the node that is importing the divergence field. Try running your Grid Scale at 1.0 as well.
Using Houdini Indie 20.0
Ubuntu 64GB Ryzen 16 core.
nVidia 3050RTX 8BG RAM.
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Thanks for the answer, actualy i'm creating the divergence directly in DOPs, I have a lots of emitter ?!
should It change the behavior if it's imported ?!
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