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[Jan Stránský <question247806@xxxxxxxxxxxxxxxxxxxxx>]

Question #247806 on Yade changed:
https://answers.launchpad.net/yade/+question/247806

Jan Stránský proposed the following answer:
Hi Ning,
what I understood is that what you actually want is to place you packing to
already rotated cell. This is possible with SpherePack.toSimulation
function [1]
cheers
Jan

[1]
https://yade-dem.org/doc/yade.pack.html#yade.pack.SpherePack_toSimulation



2014-05-06 6:06 GMT+02:00 ceguo <question247806@xxxxxxxxxxxxxxxxxxxxx>:

> Question #247806 on Yade changed:
> https://answers.launchpad.net/yade/+question/247806
>
> ceguo posted a new comment:
> Thank you for the kind replies,
>
> I'm using YADE for coupled FEM/DEM simulation where DEM packings serve
> as RVEs in Gauss points of FEM mesh. Some papers describe this idea
> [1,2,3]. Now I'm dealing with a problem with cylindrical geometry. I
> want the initial condition to be axial-symmetric. So I'd to rotate the
> initial RVE packings according to their positions in the problem domain
> because the packings are not perfectly isotropic (only ~400 grains in
> each packing).
>
> But later I think I can solve the problem (FEM level) in the cylindrical
> coordinate. Then I may not need to rotate the RVE packings. So currently
> I'm working on the FEM formulation in the cylindrical coordinate. And
> sorry for the late reply.
>
> [1] http://link.springer.com/article/10.1007%2Fs10035-011-0255-6
> [2] http://dx.doi.org/10.1063/1.4812158
> [3] http://dx.doi.org/10.1063/1.4812151
>
> Best regards,
> Ning
>
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