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Re: [Question #693568]: Stresses drop to zero in periodic triaxial shear simulation

 

Question #693568 on Yade changed:
https://answers.launchpad.net/yade/+question/693568

    Status: Open => Answered

Jan Stránský proposed the following answer:
> Is there another way to measure volume of the cell that would show
that the cell is actually growing?

there are many ways, but basically equivalent to what O.cell.volume does
[1,2,3]. If O.cell.volume is not changing, then the volume of the cell
is not changing..

The shape is changing. Maybe it has similar effect as vibration
compaction - by changing the configuration, you let particles to relax,
find "more stress-free" positions.

Also I don't know Ip2_FrictMat_FrictMat_MindlinPhys() and
Law2_ScGeom_MindlinPhys_Mindlin(), maybe they can have effect on this?

cheers
Jan

[1] https://gitlab.com/yade-dev/trunk/-/blob/master/core/Cell.hpp#L250
[2] https://gitlab.com/yade-dev/trunk/-/blob/master/core/Cell.hpp#L177
[3] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Cell.hSize

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