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[Jan Stránský <question240167@xxxxxxxxxxxxxxxxxxxxx>]

Question #240167 on Yade changed:
https://answers.launchpad.net/yade/+question/240167

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello Hicham,
when kappa==epsCrackOnset (eps_0), the damage should be 0, so there is a
misprint in the thesis and the code is correct.
cheers
Jan


2013/12/2 Hicham BENNIOU <question240167@xxxxxxxxxxxxxxxxxxxxx>

> Question #240167 on Yade changed:
> https://answers.launchpad.net/yade/+question/240167
>
> Description changed to:
> Hi everyone,
>
> This question is a bit particular because only Vaclav Smilauer or a person
> familiar with the code can answer.
> I was  comparing the model described in Smilauer's Thesis [1] to the code
> ConcretePM.cpp [2], in line 158 I read that funcG returns:
>
> 1.-(epsCrackOnset/kappaD)*exp(-(kappaD-epsCrackOnset)/epsFracture)
>
> Or, in the Thesis, page 38 I read that funcG is:
>
> 1.-(epsFracture/kappa)*exp(-(kappa-epsCrackOnset)/epsFracture)
>
> knowing that kappaD = max (epsilonN) and epsFracture=30*epsCrackOnset ,
> I'm a bit confused here.
>
> Any explanation would be welcome
>
> Thanks !
>
> [1] http://beta.arcig.cz/~eudoxos/smilauer2010-phd-thesis.pdf
> [2] https://github.com/hbenniou/trunk/blob/master/pkg/dem/ConcretePM.cpp
>
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