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[Chareyre <question679515@xxxxxxxxxxxxxxxxxxxxx>]

Question #679515 on Yade changed:
https://answers.launchpad.net/yade/+question/679515

    Status: Open => Answered

Chareyre proposed the following answer:
Hi, updating goals is the only way (with or without periodicity). I guess
the control loop is more or less stable depending on the parameters, but I
never tried such thing myself and can't give precise advice.
Bruno

Le dim. 24 mars. 2019 15:08, panjinhong <
question679515@xxxxxxxxxxxxxxxxxxxxx> a écrit :

> New question #679515 on Yade:
> https://answers.launchpad.net/yade/+question/679515
>
> Hello, everyone.
>
> I am looking forward to a way to do a constant-p simulation with periodic
> boundary condition.
>
> I have done some simulations with TriaxialStressController. At that case,
> I can change the stress after a few steps. Because the stress it provide by
> the wall would change immediately, I can get a constant-p simulation.
>
> But, when I use periodic boundary condition (PeriTriaxController), I could
> only change the Goal Stress. It means that the stress would not change to
> the target stress I want immediately, which result in a shaking of the
> stress (I change the stress quiet often to keep a constant p ).
>
> Is there some good ways to achieve this kind of simulations？
>
> Looking forward to your help, Thanks!
>
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