← Back to team overview

yade-users team mailing list archive

Re: [Question #175394]: numerical instability and small time steps

 

Question #175394 on Yade changed:
https://answers.launchpad.net/yade/+question/175394

Chiara Modenese proposed the following answer:
On 21 October 2011 17:25, Chareyre
<question175394@xxxxxxxxxxxxxxxxxxxxx>wrote:

> Question #175394 on Yade changed:
> https://answers.launchpad.net/yade/+question/175394
>
>    Status: Open => Answered
>
> Chareyre proposed the following answer:
> Theoreticaly, the timesteps should be the same. What contact laws are you
> using and are you sure the contact parameters are identical?
>
I remember you were using the HertzMindlin law. If that is still the case,
remember that kn and ks are updated every time step and that is accounted
for in GlobalStiffnessTimeStepper.

Chiara


> Did you try setting the timestep update interval to 100 in PFC as well? I
> don't remember the fish command but I know it can be changed.
> Could you send the script?
>
> --
> You received this question notification because you are a member of
> yade-users, which is an answer contact for Yade.
>
> _______________________________________________
> Mailing list: https://launchpad.net/~yade-users
> Post to     : yade-users@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~yade-users
> More help   : https://help.launchpad.net/ListHelp
>

-- 
You received this question notification because you are a member of
yade-users, which is an answer contact for Yade.