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["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:
Hello !
    I  want to simulation Initially particles do not touch and then  particles touch when the force between the particles reaches a certain value. I do not know how to do it .





At 2013-07-26 14:11:35,"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,
>
>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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>> >
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>
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