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[Nima Goudarzi <question703104@xxxxxxxxxxxxxxxxxxxxx>]

Question #703104 on Yade changed:
https://answers.launchpad.net/yade/+question/703104

Nima Goudarzi gave more information on the question:
Hi Jerome,

Thanks. My model domain is a true cylinder meaning that I have
confinement in the circumferential direction. What I am looking for is
the development of a periodic cell focusing on converging sides of a
wedge (which could be of different angles). Regarding your comment for
always dependency of base vectors, I assume that I am not able to change
the shape of cell and it always remains parallelepiped (if I understood
correctly - - please correct me if wrong ). Therefore, what I  might be
able to do would be a exit/entrance of particles in polar system rather
than the existing Cartesian one while the cell is I still in its
original parallelepiped configuration.

Regards 
Nima
 

> On Sep 12, 2022, at 10:55 AM, Jérôme Duriez <question703104@xxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> Your question #703104 on Yade changed:
> https://answers.launchpad.net/yade/+question/703104
> 
> Jérôme Duriez posted a new comment:
> Hi,
> 
> A short remark, just looking at your title. With periodic boundaries,
> you're dealing with an infinite medium, so I'm not sure you can call it
> "cylindrical".
> 
> You may also note that the replicated pattern (= the Cell) is always
> defined from a 3 vectors "basis" (basis in " " because these vectors are
> not necessarily independent).
> 
> For source code, see e.g. at 
> https://gitlab.com/yade-dev/trunk/-/blob/master/core/Cell.hpp and .cpp
> 
> https://gitlab.com/yade-
> dev/trunk/-/blob/master/pkg/dem/NewtonIntegrator.cpp is also relevant
> 
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