yade-dev team mailing list archive

[Václav Šmilauer <eu@xxxxxxxx>]

> I am so stupid that I introduced them without reason then... else why
> was it removed without notice? I'm wondering.
>
> I explained why they are usefull already. Trying again :
> Say we have a rigid body represented with 10e6 clumped (or non-dynamic)
> spheres or facets (typically
> https://yade-dem.org/wiki/Screenshots_and_videos#ball_mill). Do we want
> to iterate on all clump members to compute acceleration, block
> individual dofs, and sum accelarations at the clump level, when we know
> it is just wasted time? No of course we don't, it is so many useless
> tests and operations.
Ok, fair enough, thanks for explanation.
> In my local version, after fixing the FIXME (still waiting discussion on
> this one btw), this loop is skipped, simply :
I see. For me isDynamic is exactly equivalent to !State::DOF_ALL, except
> Do you agree if I replace isDynamic by !DOF_ALL and commit again (with
> fixed FIXME)?
Let me do it, please. I know the clumps code well and I think I 
understand what was the purpose of isDynamic checks now; the whole clump 
code is unnecessarily complicated, I will clean it up.

v