Escaping particules - Help :(

Discussions about the use of Realflow 5
spar18mada
Posts: 3
Joined: Sat Sep 21, 2013 10:18 pm

Escaping particules - Help :(

Postby spar18mada » Sat Sep 21, 2013 10:25 pm

Hi,

I'm trying to make a bottle filled animation but particles keeps on escaping from the bottle, which gets really messy when i come to animate it.

I'm using the low poly version to prevent from long time particles rendering (i tried using the hypernurbed bottle as well but particles are still escaping :( ) :roll:

Can someone help ? ;) You can find the files here http://www.thearchibox.net/scene.zip

Thank you all !


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ChristianZ
Posts: 3278
Joined: Sat Sep 09, 2006 11:37 am
Location: CH

Re: Escaping particules - Help :(

Postby ChristianZ » Sun Sep 22, 2013 8:02 pm

This is one of the classic challenges in fluid simulation.
Most of the time you have to change the animation of the bottle so that if fits the fluid simulation, not the other way round.
We just recently had such as discussion:
viewtopic.php?f=72&t=9594
RF10 standard, System specs: OSX 10.11, MacPro 4.1 2xXeon, GTX980Ti, 64 GB RAM

spar18mada
Posts: 3
Joined: Sat Sep 21, 2013 10:18 pm

Re: Escaping particules - Help :(

Postby spar18mada » Sun Sep 22, 2013 8:30 pm

Hi ChristianZ and thank you for your answer,

You mean i have to modify the initial animation so as to prevent any "too speedy" level variation ?

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ChristianZ
Posts: 3278
Joined: Sat Sep 09, 2006 11:37 am
Location: CH

Re: Escaping particules - Help :(

Postby ChristianZ » Sun Sep 22, 2013 9:54 pm

Sure, less drastic movements, add a drag daemon, larger collision distance inside the bottle, higher gravity. Maybe you can change the animation of a camera instead of the bottle.
RF10 standard, System specs: OSX 10.11, MacPro 4.1 2xXeon, GTX980Ti, 64 GB RAM

spar18mada
Posts: 3
Joined: Sat Sep 21, 2013 10:18 pm

Re: Escaping particules - Help :(

Postby spar18mada » Mon Sep 23, 2013 12:31 pm

Hum, okay i've looked (for couple of days) on this issue and found a quick fix (hope it will help other users) :
    I've raised the substeps
    reduced scales
    added an extra shape around my main bottle (to keep particles in the bottle)

Seems to work fairly good now ...


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