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[jimtianxi <question211289@xxxxxxxxxxxxxxxxxxxxx>]

Question #211289 on Yade changed:
https://answers.launchpad.net/yade/+question/211289

jimtianxi gave more information on the question:
Thank you very much for your answer! But I still have some problems during simulating.
1. The conveyor belt runs away after being given a velocity by body.state.vel command. I hope that the belt have a velocity but it doesn't move itself, or moves in opposite direction itself.
2. I don't know how to use periodic boundaries, so I failed in writing codes.
 
I need your further help, and I beg you to write some codes for me.
The simulation problem I face is described below in detail :
A conveyor belt is fixed onto a machine, and moves with the velocity v0 conveying particles continously. Meanwhile, the machine has a small speed v1 in the opposite direction as shown in the picture. In my simulation, the machine is imported from outside. You can simulate the machine using a cuboid. Could you write me some codes to tell me how you can simulate the process? Thanks a lot!!





At 2012-10-16 01:11:13,"Christian Jakob" <question211289@xxxxxxxxxxxxxxxxxxxxx> wrote:
>Your question #211289 on Yade changed:
>https://answers.launchpad.net/yade/+question/211289
>
>Christian Jakob posted a new comment:
>In Yade you can use facets [1] and/or boxes [2] to simulate conveyor belt system. I would prefer boxes, because there is still a bug in facets.
>It should be possible to move them, by giving them a velocity using body.state.vel command [3]. Then you could use periodic boundaries [4], [5] to create an "infinite" conveyor system.
>
>I dont know, if this is what you need.
>
>[1] https://yade-dem.org/doc/yade.utils.html?highlight=facet#yade.utils.facet
>[2] https://yade-dem.org/doc/yade.utils.html?highlight=box#yade.utils.box
>[3] https://yade-dem.org/doc/yade.wrapper.html?highlight=vel#yade.wrapper.State.vel
>[4] https://yade-dem.org/doc/yade.wrapper.html?highlight=periodic#yade.wrapper.Omega.periodic
>[5] https://yade-dem.org/doc/yade.wrapper.html?highlight=setbox#yade.wrapper.Cell.setBox
>
>hope it helps,
>
>christian
>
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