yade-users team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

I just read other replies... Well, pick your way! ;-)

Bruno

Bruno Chareyre a écrit :
> Hi Luc,
>
> The CohesiveFrictional contact law is very general, it includes 
> normal, shear, bending, and torsion components (bending and torsion 
> are purely elastic for now, it is no big deal to add a threshold for 
> failure). You could start with this law and add missing features, or 
> perhaps derive a new law from this one if you need much more 
> sophistications.
>
> Bruno
>
>
> luc scholtes a écrit :
> > Hi Anton,
> >
> > Thank you for your answer. So, if I understand well, the RPM is quite 
> > similar to the CohesiveFrictionalContactLaw? I don't grab all the 
> > idea. Could you please be a bit more illustrative?
> >
> >
> >   Luc
> >
> >
> > 2009/9/29 Anton Gladky <gladky.anton@xxxxxxxxx 
> > <mailto:gladky.anton@xxxxxxxxx>>
> >
> >     The idea is to create some particles "connected" (cohesive) with
> >     each other, if they are close to each other on the first stage of
> >     simulation.
> >     After that, if cohesive particle positions are too far or too
> >     close to each other, destruction occurs. And particles become like
> >     a simple granular media.
> >
> >
> >
> >     2009/9/29 luc scholtes <lscholtes63@xxxxxxxxx
> >     <mailto:lscholtes63@xxxxxxxxx>>
> >
> >         Hi all,
> >
> >         I currently start a new project on rock slope stability in
> >         open pit mines. I now know YADE for a while and I am sure it
> >         can be a great tool for that and I want to prove it to my
> >         supervisor.
> >
> >         I have seen that some work has been done on rock modelling (I
> >         saw that a RockParticleModel class has been introduced in the
> >         new release 0.20). I am still trying to understand what is
> >         written on that files but, honestly, I am a bit lost when I
> >         compare to what I did with granular materials
> >         (CapillaryCohesiveLaw ;) ).
> >
> >         The idea, for the moment, is to model some kind of a fractured
> >         rock mass within which particles can interact either in
> >         clusters with a cohesive behaviour (rock blocks) or between
> >         clusters with a contacting law representative of a rock joint
> >         (maybe with an artefact to control the roughness). In
> >         addition, maybe it would be useful to deal with spheres such
> >         as they are a part of a lattice with no collision detection
> >         and no inertia or something like that (?).
> >
> >         Maybe some of you have already think about it and I would be
> >         grateful for any advices and suggestions.
> >
> >
> >         Regards
> >
> >           Luc
> >
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