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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