yade-dev team mailing list archive

[Václav S(milauer <eudoxos@xxxxxxxx>]

> In my opinion, these geometry details must be very tiny. 
> In most cases, the practical effect of the doubled reaction will negligibly small.
> But I run additional test with tiny mesh then the size of facets considerably less sphere's size 
> and got the same result. I have updated figs on wiki:
> http://images3.wikia.nocookie.net/yade/images//0/00/Rod-total-force.png
> http://images2.wikia.nocookie.net/yade/images//e/e6/Rod-tiny.jpg
>   
That seems very nice. Could you commit the code? The best would be, of
course, if you put this example with refined mesh somewhere into
scripts/ (including STL files, if that is what you use) or examples/. I
am looking forward to experimenting with it.

Regards, Vaclav
>
>> I would suggest
>> adding some possiblit (flag?) to turn on/off reactions on each
>> particular edge and vertes - this way, there could an algorithm that
>> would enable only one of the coinciding edges etc. Does that make sense?
>>     
>
> I think about it. This will be a half solution. See fig: 
>             O O 
>              |  /|
>        ====*-------
> where === is a one facet, ---- is a other facet, * is a edge, O is a particle, | is a contact.
> If contact with edge will be enabled only with === facet, then this contact will be enabled 
> _and_ with contact with --- facet, but in this case, contact with the edge will be mistake.
>
>