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Re: [Question #691907]: How to calculate bond (interaction) breakage ratio

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Leonard <question691907@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 16 Jul 2020 23:50:51 -0000
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Question #691907 on Yade changed:
https://answers.launchpad.net/yade/+question/691907

    Status: Answered => Solved

Leonard confirmed that the question is solved:
Hi Jan,

>The order of id1,id2 is not changed for existing interaction.
That is great, so using the first approach (in #1) is perfect, my doubt is solved.

>the two particles come to contact again after some time?
You are right, the breakage ratio I want to investigate is for initial interactions, so again the first approach is exactly suitable.

>What material model you use? 
I use CohFrictMat as material of sphere particles:
CohFrictMat(isCohesive=False,young,alphaKr,alphaKtw, poisson,frictionAngle,etaRoll,etaTwist, density,normalCohesion,shearCohesion, momentRotationLaw=True)

>How are broken / non-cohesive interactions different from initial interactions?
I'd like to look at how many initial interactions have broken with the strain. I am sorry I didn't understand the difference. Did I miss something?

Thanks
Leonard

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