yade-users team mailing list archive

[chiara modenese <c.modenese@xxxxxxxxx>]

>
> 1. I used neverErase flag, because something goes wrong when
> interaction breaks. So do not delete it, but only reset Fn=0 and Fs=0.
>

>
>  [Law2_ScGeom_FrictPhys_Basic(label='dry',traceEnergy=True,neverErase=True)]
>
Good Janek, so you agree there something unexpected is happening once
calling the function requestErase(). Potential interactions seem somehow not
deleted and I do not know if this can have any consequence somehow. We
should definitely check that function which almost every contact law is
using, most importantly.

>
> the neverErase flasg shouldn't change anything in the resulting
> graphs of total energy. But evidently it helps! So this is a BUG #1 here.
>
>   plasticDissipation +=
>  (-shearDisp -
> (1/currentContactPhysics->ks)*(trialForce-shearForce))//plastic disp.
>  .dot(shearForce);//active force
>
This is weird because as I already said to me plasticDissipation code looks
right as it is. I would not be able to prove on paper why the addition of
shearDispl increment.

>
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