yade-users team mailing list archive

[luc scholtes <lscholtes63@xxxxxxxxx>]

True! A newcomer would be quite disappointed to know what he really needs
for his purpose among all the variables. But, anyway, I did not run away
from YADE and I have tried to follow your advices concerning the "new way of
thinking" Constitutive Laws in Yade (thank you Yade-Wiki). I spent some
times on the RockPM and ConcretePM and I think I get the idea.

However, I am still used to the "old fashionned way" of thinking with
preprocessor etc (actually, I try to get involved in YADE-Python programming
;-) ), and I do not really get the connexion with all the other engines. So,
it would be somehow very helpful if one of you could provide some more
informations on how to use these new laws (maybe with a typical functional
xml file or even a python script). For instance, I'm gonna try to customize
the interaction physics or/and interaction geometry to include some
additional informations like, for example, the possible belonging of a
particle to a fault and the corresponding plane orientation.

Once more, thanks a lot in advance for all of your advices

Cheers


2009/10/7 Václav Šmilauer <eudoxos@xxxxxxxx>

>
>  The CohesiveFrictional contact law is very general, it includes normal,
>> shear, bending, and torsion components (bending and torsion are purely
>> elastic for now, it is no big deal to add a threshold for failure). You
>> could start with this law and add missing features, or perhaps derive a new
>> law from this one if you need much more sophistications.
>>
> I just looked at CohesiveFrictional law and frankly it looks horrible.
> Janek sain 70% of that code was garbage and it is still sitting there. If I
> were a newcomer (which Luc is not, of course) and someone would show me this
> as constitutive law, I would run away from yade very fast...
>
>
>
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