Hybrido collision problems

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mdharrington
Posts: 9
Joined: Sun Jun 09, 2013 9:38 pm

Hybrido collision problems

Post by mdharrington » Sun Jun 09, 2013 9:56 pm

I have read a lot of posts about hybrido collisions and cell size....I dont think this is the case here.

My collisions, whether inside a box or on a plane are always 1 realflow display grid offset away from the surface.

When I look at the cell size on the domain....there is at least 3 cells in between the box and the collision of the particles...so I cant see it being grid resolution.

When I lowered the resolution on the domain and the collision object....the collision did occur closer...but always 3 cells away from the actual object

Is there anything I am missing here? this is only with hybrido
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mdharrington
Posts: 9
Joined: Sun Jun 09, 2013 9:38 pm

Re: Hybrido collision problems

Post by mdharrington » Sun Jun 09, 2013 10:04 pm

this is with the shell volume method...it appears to have a built in offset....

the other volume methods seems to work much better

o.delellis@gmail.com
Posts: 63
Joined: Thu Aug 02, 2012 7:22 am

Re: Hybrido collision problems

Post by o.delellis@gmail.com » Mon Jun 10, 2013 4:18 am

it has indeed a 3 cell offset, makes it hard to adjust geometry before running a sim.

you can make a bowl/container geo in your 3d app, make sure it has a thickness to it and use the 'solid inside' setting/

mdharrington
Posts: 9
Joined: Sun Jun 09, 2013 9:38 pm

Re: Hybrido collision problems

Post by mdharrington » Mon Jun 10, 2013 11:23 pm

at least I'm not going crazy...

thanks

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