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[Jan Stránský <question402658@xxxxxxxxxxxxxxxxxxxxx>]

Question #402658 on Yade changed:
https://answers.launchpad.net/yade/+question/402658

    Status: Open => Answered

Jan Stránský proposed the following answer:
You can prescribe velocity such that during next time step the particle
gets to desired position

b.state.vel = (desiredPos - b.state.pos) / O.dt

cheers
Jan


2016-10-01 14:53 GMT+02:00 张文卿 <question402658@xxxxxxxxxxxxxxxxxxxxx>:

> New question #402658 on Yade:
> https://answers.launchpad.net/yade/+question/402658
>
> At the begining of each time step, I want to add displacement to every
> particle according to their center coordinate.
> just like this:for x direction，Displacement=a*x*timestep.
> a is just a coefficient.
> But I only find 'addMove'.Is there any way solve this problem.Thanks: )
>
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