yade-users team mailing list archive

[Václav Šmilauer <eudoxos@xxxxxxxx>]

There is the brefcom model (in extra) that is supposed to do just that
(cohesion) and is formulated using continuum mechanics (strain/stress)
rather than particles and there is code to make the transition from
displacements/positions etc to normal strain, shear strain and back from
stresses to forces. The material model itself cannot be disclosed, but
you can easily add your own. It is pretty much work in progress now,
however.

For cohesion, make sure you use enable distant contacts in
PersistentSAPCollider and
InteractingSphere2InteractingSphere4SpheresContactGeometry. The old
approach would use persistentContacts, but there are (by general
consensus) deprecated and will be removed.

Vaclav
> Hi,
>  
> is the cohesion property of some kind of material (like rock) treated
> in YADE?
> if so, how it is modeled? bonded model?
>  
> Thanks.
> Kan
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