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[Jan Stránský <question699347@xxxxxxxxxxxxxxxxxxxxx>]

Question #699347 on Yade changed:
https://answers.launchpad.net/yade/+question/699347

    Status: Open => Answered

Jan Stránský proposed the following answer:
> Is it possible to directly generate the periodic boundary and then
delete the wall?

It is possible, but it would result in something different than you want.
You can delete walls, you can extract certain area, you can also set periodic boundary conditions, it is no problem.
The problem is that at the "faces" the particles would not match on opposite faces. It would behave like there would be a crack every cell distance.
(The periodicity would work ok, however)

> The specific process is to save the position and size information of
the particles, then read the information of the particles, and generate
these particles one by one?

This would be too easy :-D
I meant to create a new periodic packing from scratch. But instead of creating a random packing, you would need to impose the eroded characteristics.
The challenge is how to identify the "characteristics" and then how to impose them on the packing.

Cheers
Jan

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