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[Chien-Cheng Hung <question697600@xxxxxxxxxxxxxxxxxxxxx>]

Question #697600 on Yade changed:
https://answers.launchpad.net/yade/+question/697600

    Status: Needs information => Open

Chien-Cheng Hung gave more information on the question:
Hi,

The contact angle using here means dilation angle (ψ). The value of ψ=0 corresponds to the volume that preserves deformation while in shear.
Since the angle of dilation (ψ) controls the amount of plastic volumetric strain and macroscopic friction developed during plastic shearing, I would like to know how the dilation angle (or contact angle) distribute in the granular layer for different PSDs and to see its relation to the volumetric strain and macroscopic friction.
I hope this is clear for you.

Cheers,
Chien-Cheng

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