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Question #403360 on Yade changed:
https://answers.launchpad.net/yade/+question/403360
Status: Open => Answered
mohsen proposed the following answer:
In the name of God
Hi Felip
It seems that you did not use the same coordinates when generating your
packing; Can you explain why? It is clear that the generated packings
should not be the same. If it is the case for you to create the same
cylinders from method one and two then I think this may be work:
#method1
Only pack cylinder
pred=pack.inCylinder((0,-45,0),(0,45,0),radius=50)
sp=SpherePack()
sp=pack.randomDensePack(pred,radius=5,returnSpherePack=True, material='shperes',sphereseInCell=3000)
sp.toSimulation()
#method 3
from yade import pack
sp = pack.SpherePack()
minCorner = (-50,-45,-50)
maxCorner = (50,45,50)
sp.makeCloud(maxCorner=maxCorner,rMean=5.0,num=5000)
pred = pack.inCylinder((0,-45,0),(0,45,0),radius=50,sphereseInCell=3000)
for c,r in sp:
if pred(c,r): # determines if a sphere with center c and radius r is inside
#predicate...
O.bodies.append(sphere(c,r)) # ... if yes, append it to simulation
As you may know, when using 'randomDensePack', the generated spheres
have a small initial overlap. This means that the number of particles in
method 1 is larger than method 3. Is it important for you?
>Also, is it possible to include spheres material?
The simplest way is to define desired material before generating spheres or in more precisely before adding them to simulation.
For more information about sphereInCell please check[1]:
Regards
[1]:https://answers.launchpad.net/yade/+question/159764
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