yade-dev team mailing list archive

["Chiara Modenese" <chiara.modenese@xxxxxxxxx>]

Hi Vaclav,


sorry but I cannot get why it shouldn't. So if I do that (as it is yet made by the Ip2_FrictMat_FrictMat_Basic) which would be the consequence? Generally speaking, which is this design issue you mentioned?


cheers, Chiara




---------- Initial Header -----------

>From      : yade-dev-bounces+chiara.modenese=libero.it@xxxxxxxxxxxxxxxxxxx
To          : yade-dev@xxxxxxxxxxxxxxxxxxx
Cc          :
Date      : Thu, 28 Jan 2010 21:38:44 +0100
Subject : Re: [Yade-dev] Assignment of kn and ks







> > just for curiosity, why you decide to not assign kn and ks in
> > Ip2_CpmMat_CpmMat_CpmPhys? Any particular reason?
> I am actually not using those stiffnesses, but they are assigned for
> compatibility (for post-processing, for instance) in
> Law2_Dem3DofGeom_CpmPhys_Cpm, along with crossSection.
>
> The reason is (and it is a design issue of yade, but I see no really
> good solution) that Ip2_* functors shouldn't access intrGeom, so I
> postpone that to the law functor if called for the first time.
>
> The model itself is formulated in terms of strains and stresses (rather
> than displacements and forces), so I use E and G for moduli.
>
> I hope it is clearer, but I might be writing nonsense at this time of
> the day.
>
> Cheers, Vaclav
>
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