Question #687977 on Yade changed:
https://answers.launchpad.net/yade/+question/687977
Status: Answered => Open
ehsan benabbas is still having a problem:
Thank you very much for your answers.
About those rejected posts, I asekd questions and then realized I can
merged them in one and that is why I tried to remove them. sorry if that
bothered you and anybody else and thank you for letting me know. The
only reason was that I could not find the remove or delete option
because sometimes we want to delete our questions for any possible
reason. Rejection was the only choice I found.
1- I want to define particles with radius between 0.1 mm and 0.3 mm. that is
why in makecloud function I used like the following
sp.makeCloud(mn,mx,0.2,0.5,num_spheres,False, 0.95,seed=1)
which this line comes from [2]. I just realized 0.2 should be rMean and 0.5
should be RelFuzz which leads to partitcles' radius between 0.1mm and 0.3mm.
2- when I use it like "function(attribute = value)" I get error in this
line and by "function( value)" it works so that's way I was wondering
about the order of "values" .
3- Oh tahnk you. I searched it by ctrl+f but strangely couldn't find it.
4- This is my main question actually and my goal. If this command
sp.makeCloud(mn,mx,rMean=0.2,rRelFuzz=0.5,periodic=False,num=num_spheres,porosity=targetPorosity,seed=1)
is just a cloud, and liek an initial guess. then how should we get our target
sample? I am using the reaching porosity section of [2] by the following line
for define the packing
sp.makeCloud(mn,mx,0.2,0.5,num_spheres,False, 0.95,seed=1)
but It seems cannot be converged and it seems like to change the frictional
angle to reach the porosity which is not ok. Still I am wondering how to define
a packing with 30 degree for frictional angle, "20mm*20mm*20mm" dimensions,
initial porosity of 0.4, 2e4 number of particles, minimum radius=0.1, and
maximum radius=0.3 because this is the sample I want to study.
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