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[Chareyre <question689015@xxxxxxxxxxxxxxxxxxxxx>]

Question #689015 on Yade changed:
https://answers.launchpad.net/yade/+question/689015

Chareyre proposed the following answer:
>  FrictMat.young has no physical meaning

This is defying my understanding of what can be called a physical meaning.
:)
I agree that reading documentation is better than arguing about unspecified
papers, anyway.
Bruno


Le lun. 2 mars. 2020 16:33, Jérôme Duriez <
question689015@xxxxxxxxxxxxxxxxxxxxx> a écrit :

> Question #689015 on Yade changed:
> https://answers.launchpad.net/yade/+question/689015
>
> Jérôme Duriez proposed the following answer:
> Since FrictMat.young has no physical meaning when using
> Ip2_FrictMat_FrictMat_FrictPhys (which is understated here), another
> reason could be "why not 2, or even 10" ;-)
>
> This would just modify the input value for this stress-like stifness
> parameter. Where any input value, for any formulation with 2 or 10 or..
> , would be equally as correct as long as they give satisfactory results.
>
> PS : Would you feel more confortable reading [1] ? (which does reflect
> the source code at [2], and your observations)
>
> [1]
> https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Ip2_FrictMat_FrictMat_FrictPhys
> [2]
> https://gitlab.com/yade-dev/trunk/-/blob/master/pkg/dem/FrictPhys.cpp#L37
>
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