Question #230139 on Yade changed:
https://answers.launchpad.net/yade/+question/230139
Status: Open => Answered
Christian Jakob proposed the following answer:
I would do somethink like this:
- generate random points in your desired area with random.seed() [1]
- use this points as balance points for your clumps and generate them, use [2]
or [3]
- after one clump is generated, check if there are overlaps with other
particles -> if there is an overlap, do not generate and try another random
point ... something like:
for b in O.bodies:
if isinstance(b.shape,Sphere):
if (abs(b.state.pos - randomClumpMemberPos) > (b.shape.radius +
ClumpMemberRadius)):
#create the sphere
else:
#try another random point
- then you will get a loose clump packing
- switch on gravity and let your packing settle down
[1] http://docs.python.org/2/library/random.html#random.seed
[2]
https://www.yade-dem.org/doc/yade.wrapper.html?highlight=clump#yade.wrapper.BodyContainer.clump
[3]
https://www.yade-dem.org/doc/yade.wrapper.html?highlight=clump#yade.wrapper.BodyContainer.appendClumped
hope it helps,
christian
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