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[Chiara Modenese <question177419@xxxxxxxxxxxxxxxxxxxxx>]

Question #177419 on Yade changed:
https://answers.launchpad.net/yade/+question/177419

    Status: Answered => Open

Chiara Modenese is still having a problem:
Apparently there is another method used in fluid mechanics called Lees
Edwards where the periodic cells are sheared one over the other but there
is no rotation of the period itself. Apparently this is a good method for
large strains.
ref: The computer study of transport processes under extreme conditions by
Lees and Edwards
It is rather short paper, interesting the way the apply the shear with
periodic boundary...


On 7 November 2011 08:41, Chareyre <question177419@xxxxxxxxxxxxxxxxxxxxx>wrote:

> Question #177419 on Yade changed:
> https://answers.launchpad.net/yade/+question/177419
>
>    Status: Open => Answered
>
> Chareyre proposed the following answer:
> It is impossible in general. If you have a periodic patern like this:
>
>     ____
>   /  /  /
>  ____
> /  /  /
>
> ... and if you look at it through a rectangular window, then what you
> see in the rectangle is not a periodic (by translating the rectangle
> vertically, you see something different).
>
> It is of course always possible to draw spheres in a rectangle, but it
> doesn't show the real period. Maybe the papers you mention did that.
>
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