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[Jan Stránský <question232935@xxxxxxxxxxxxxxxxxxxxx>]

Question #232935 on Yade changed:
https://answers.launchpad.net/yade/+question/232935

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

I am sorry, but your explanation did not make it any more clear to me :-)
what do you mean by "elastic stage"? To help you, it would be really nice
to have an idea what and why you want to do, so maybe you can try to
explain it in more than one sentence :-)

It is feasible to apply force directly to particles, so if you know what
force you would apply between particles, you can apply opposite forces to
individual particles.

To apply forces between particles not to be in contact "much" is the task
of interactions, that are created automatically.

cheers
Jan



2013/7/26 pingyang.1019@xxxxxxx <question232935@xxxxxxxxxxxxxxxxxxxxx>

> Question #232935 on Yade changed:
> https://answers.launchpad.net/yade/+question/232935
>
>     Status: Answered => Open
>
> pingyang.1019@xxxxxxx is still having a problem:
> Thank you teacher
>      I want to simulation spherical particles are not in contact with the
> elastic stage. So how to do it ?  Is it feasible to apply force between the
> particles?
>
>
>
>
>
> At 2013-07-24 12:26:17,"Jan Stránský" <
> question232935@xxxxxxxxxxxxxxxxxxxxx> wrote:
> >Question #232935 on Yade changed:
> >https://answers.launchpad.net/yade/+question/232935
> >
> >    Status: Open => Answered
> >
> >Jan Stránský proposed the following answer:
> >Hello,
> >from your question, it is not very clear for me what you want to do..
> could
> >you please be more specific and maybe give an example desired result? it
> >will help us to help you :-)
> >
> >a repulsive force between particles is activeted as soon as there is an
> >overlap, exactly for the reason "to limit movenemt and contacts of
> >particles".. So one way is to increase stiffness of the material. You can
> >also apply some boundaries (see e.g. [1]) to limit movement.
> >
> >You can also apply force directly on particles [2].
> >
> >cheers
> >Jan
> >
> >[1]
> >
> http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/examples/funnel.py
> >[2]
> >
> https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.ForceContainer.addF
> >
> >
> >
> >2013/7/24 pingyang.1019@xxxxxxx <question232935@xxxxxxxxxxxxxxxxxxxxx>
> >
> >> New question #232935 on Yade:
> >> https://answers.launchpad.net/yade/+question/232935
> >>
> >> Hello teachers!
> >>
> >>    How to apply force between the particles? I want to limit movement
> and
> >> contacts of particles. How to do ?
> >>
> >> Thank you!
> >>
> >> --
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