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Re: [Question #210907]: on sample preparation of real granula materials

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: wangxiaoliang <question210907@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 11 Oct 2012 14:50:56 -0000
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Question #210907 on Yade changed:
https://answers.launchpad.net/yade/+question/210907

wangxiaoliang posted a new comment:
>@ luc #9: I guess this should be the title of your question? I also guess that you are using Law2_ScGeom6D_CohFrictPhys_CohesionMoment. Am I right?
Yes you are right. I know comFricDegree and finalFricDegree.

>The triaxial compression is thus performed on a sample with initial porosity equal to 0.40.
actually, in real consolidated drained compression, I prepare my sample with the  "initial porosity" 
I want, then add isotropic pressure, say 50kPa. In DEM simulation, many authors also mentioned 
"initial porosity" like with the radius-expansion method, so I think 0.40 here should be the porosity
after consolidated compared to the real CD compression, am I right? But in real experiment, we say
initial porosity, that should be before consolidation

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