yade-users team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

> What is a reasonable range of values for the overlapping in a quasi 
> static-simulation like the TT? 1% of particles sizes? If I reduce too 
> much the interparticle stiffness I fear I could have unacceptable 
> overlappings but I do not know starting from what value would be such. 
> Thanks.
yes, something between 1% and 0.1% is a good starting value. Below 1%, 
elasticity has negligeable effect on e.g. peak stress.

>     I would double check the values of relative velocities and see if
>     they have something wrong.
>
> Yep, I will do it. Indeed the problem arises when particles are free 
> to rotate. If rotations are not allowed then the system reaches a 
> stable state.
Keep in mind the special case where particles interact across period, if 
there is a problem in incident velocity, it could happen in this 
situation only.

Bruno