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[Alexander <question269393@xxxxxxxxxxxxxxxxxxxxx>]

Question #269393 on Yade changed:
https://answers.launchpad.net/yade/+question/269393

Alexander gave more information on the question:
oh, i posted a wrong picture here

> (made a slice parallel XOY -
http://i11.pixs.ru/storage/0/9/1/pic2JPG_2016907_18081091.jpg)

the right ones are:  without slice along OXY -
http://i11.pixs.ru/storage/8/4/7/pic1JPG_3485627_18082847.jpg with slice
- http://i11.pixs.ru/storage/8/5/6/pic2JPG_8047730_18082856.jpg. The
problem is that for coarse packing the result is more exact -
http://i10.pixs.ru/storage/8/6/4/pic3JPG_6827924_18082864.jpg, i mean
the range is closer to 1,5e8. So i think it's because i use young
modulus calibrated for finest  packing, the displacements for coarse
case is also different
http://i11.pixs.ru/storage/8/8/4/pic4JPG_4292200_18082884.jpg and they
are worse [-0.0063,0.0063] instead of [-0.0059, 0.0059], the ideal range
is [-0.006, 0.006].

i also used simple conversion rule for stress values:
s = bodyStressTensors()
stresses = [Matrix3(*[(4.*pi/3.)*s[b.id][i,j]*b.shape.radius**3/(8*b.shape.radius**3) for j in range(3) for i in range(3)]) for b in O.bodies] 

So am i right in my discourse?

with regards Alexander

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