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Re: [Question #699398]: Triaxial total stress-strain curve using JCFpmMat

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From: Ziyu Wang <question699398@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 09 Nov 2021 07:31:00 -0000
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Question #699398 on Yade changed:
https://answers.launchpad.net/yade/+question/699398

    Status: Answered => Open

Ziyu Wang is still having a problem:
Hello,

In fact,I want to study the complete stress-strain process,both yield strength and strain-softening phase.
In other words,It seems that the curve should have a rapid decline process, representing the failure of the sample?I have run the script with the triax.strain[2]=0.4(big enough?),but there is still no rapid decline of sigma,the stress still fluctuates up and down,unbalancedForce is very small (4e-5). 
Another guess,I recorded nbTensCracks and nbShearCracks.For my whole process,they have been increasing.(Tc>>Sc).Cracks stands for the fracture of bond,right?If so,can the failure be judged by controlling the proportion of broken bonds to total bonded bonds?

Thanks for your patient help.

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