yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

> I think it is not a good idea to have almost the same functions in 2 
> IGs...

Are you saying Dem3Dof should not have been implemented because ScGeom 
was in Yade in the first place? ;-)
Actually functions are very different, this is one reason why there are 
two IGs.
The main differences are found in formulations (total/incremental). 
ScGeom is also handling different cases, like moment transfer and rate 
dependant constitutive relations in the periodic case. So, definitely, 
we don't have the same functions. This is why merging is not trivial.
If you think ScGeom is useless duplicate, consider trying "yade 
scripts/test/chained-cylinder-spring.py" (needed 0 lines of code in 
terms of Ig, Ip, Law2), and wonder how you would do that with Dem3Dof 
(impossible).

Bruno


> ______________________________
>
> Anton Gladkyy
>
>
> 2010/7/13 luc scholtes <lscholtes63@xxxxxxxxx 
> <mailto:lscholtes63@xxxxxxxxx>>
>
>     If I am still up to date, one point is that Triaxial Testing
>     cannot be performed with Dem3D because of Dem3D does not allow
>     Box/Sphere interaction (and Triaxial Testing only works with Boxes
>     as there is a problem when facets are used).
>
>     Since a lot of people use Triaxial Testing, I think that this is
>     one reason.
>
>       Luc
>
>     2010/7/12 Anton Gladky <gladky.anton@xxxxxxxxx
>     <mailto:gladky.anton@xxxxxxxxx>>
>
>         Hi, all!
>
>         Sorry, for maybe stupid question, but why do we have 2 IGs
>         ScGeom and Dem3Dof?
>         What is the main difference between them? What about uniting?
>
>         Thank you.
>
>         Anton
>
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