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[Zhoufeng Shi <question695734@xxxxxxxxxxxxxxxxxxxxx>]

Question #695734 on Yade changed:
https://answers.launchpad.net/yade/+question/695734

    Status: Needs information => Open

Zhoufeng Shi gave more information on the question:
Hi Jan,
Yes, you are right, the interaction factor didn't make much difference on the overall behavior of the model. Previously my model was packed by randomDensePack function and it seemed a bit loose.
I try to manipulate the bond strength like the code I attached below so that some of the bonds may broke at early stage. And the cracks do appear earlier but still the shape of stress-strain curve looks the same except the peak stress & strain changes, and the relDuctivity seems only affect the hardening process.
for i in O.interactions:
   if strength_law == 0:
     alpha=np.random.uniform(low,high)
   elif strength_law == 1:
     alpha=np.random.normal(1,std)
   if alpha<0.01:
     alpha = 0.01
   i.phys.epsCrackOnset *= alpha
   i.phys.undamagedCohesion *= alpha

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