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[Jan Stránský <question258444@xxxxxxxxxxxxxxxxxxxxx>]

Question #258444 on Yade changed:
https://answers.launchpad.net/yade/+question/258444

Jan Stránský proposed the following answer:
Another option is to use nonlinear contact law. The simple models assumes
that force is proportional to penetration depth (F=k*u). It is reasonable
for "small" penetration depth, but for the scenarios where a particle goes
through a wall, the force should be much much higher, something like
F=k*log(u/(r1+r2)). I am not sure if something like this is implemented..
Jan


2014-12-02 1:56 GMT+01:00 Joost <question258444@xxxxxxxxxxxxxxxxxxxxx>:

> Question #258444 on Yade changed:
> https://answers.launchpad.net/yade/+question/258444
>
> Joost posted a new comment:
> Apologies for the confusion in my previous message, I just learned to
> facets have material properties just like boxes do. Still learning...
> This clarifies Jan's answer, and leaves me with Bruno's answer as the
> solution.
>
> I am new to DEM so I'm not comfortable with the parameters that would
> model a rigid material. Any suggestions, based on my previous code?
>
> Many thanks.
>
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