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[Jérôme Duriez <question600268@xxxxxxxxxxxxxxxxxxxxx>]

Question #600268 on Yade changed:
https://answers.launchpad.net/yade/+question/600268

    Status: Open => Answered

Jérôme Duriez proposed the following answer:
Hi,

Since makeCloud allows one to define psd (see psdSizes and psdCumm in
the doc [*]), this is not so difficult:

sp=pack.SpherePack()
sp.makeCloud(Vector3(0,0,0),Vector3(100,100,100),num=2,psdSizes=[2,2,6,6],psdCumm=[0,0.50000000000001,0.50000000000001,1]) # defining a step-wise psd, using in this case 0.50000000000001 instead of 0.5 because I assume 0.5*num = 0.5*2 might give something just smaller than 1 for numerical reasons and in the end 0 particles of one size and 2 of the other
sp.toSimulation()

Another solution maybe exists, calling twice makeCloud() to merge two
monosized clouds (one with 2 diameter, another one with 6)

Jerome

[*] https://yade-
dem.org/doc/yade.pack.html?highlight=makecloud#yade._packSpheres.SpherePack.makeCloud

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