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[behzad majidi <question247006@xxxxxxxxxxxxxxxxxxxxx>]

Question #247006 on Yade changed:
https://answers.launchpad.net/yade/+question/247006

behzad majidi posted a new comment:
Hey,

I know python and I'm learning C++. I do not know the steps I need to do
to include my new things (can be a contact law or something else) in
Yade source code.

There're some issues in Yade for me now;

1-We assign material properties to "Box"es and so they've got weight and
they follow Newton's second law. But, momentum is not considered in
their movement law!

2-We assign material properties to Boxes but why not to facets?

The idea behind all these is to import some aggregates which we usually
define as clumps in the form of facets and assign material properties to
them (only for the movement, they will be considered as rigid bodies).
In models with thousands of clumps this will reduce the number of
elements and there will be a computational gain. The other phases of the
material will be defined with spheres as usual.

So, what I'd like to do is to be able to import some shapes as gts and assign a density to them and include it in Newton integration engine for movement calculations. 
There might be a need for new contact detection definitions like facet_to_box.

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