yade-dev team mailing list archive

[Václav Šmilauer <eudoxos@xxxxxxxx>]

What you say should be preferred for granular materials, that is right
and was never contested. Obviously, for continuum discretization the
inverse is preferrable and Yade should make both of them possible. (I
know you don't like continuum mechanics, but please keep this emotion (I
don't see any explanation for that) away from this discussion, it is as
legitimate as anything else.)

https://www.yade-
dem.org/sphinx/yade.wrapper.html#yade.wrapper.Ig2_Sphere_Sphere_Dem3DofGeom.distFactor
is negative by default, which gives the geometric distance criterion.

-- 
Equilibrium distance different for SpheresContactGeometry and Dem3DofGeom_SphereSphere (TriaxialTest with facet vs. box walls)
https://bugs.launchpad.net/bugs/399963
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Status in Yet Another Dynamic Engine: In Progress

Bug description:
Seems that there is too much friction with the walls, but inspecting the XML file gives nothing suspicious. UnbalancedForce sits constantly at 1.1407 after a small while, without going down.