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[Question #701415]: How to generate a clump

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From: xujin <question701415@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 19 Apr 2022 12:30:58 -0000
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New question #701415 on Yade:
https://answers.launchpad.net/yade/+question/701415

Hi, 

The program doesn't work but I can't find out what's wrong.

#Wall constants
WDensity = 0
WFrictionAngle = 0.0
WPoissonRatio = 0.5
WYoung = 50e9
Mat = O.materials.append(FrictMat(young = WYoung, poisson = WPoissonRatio, frictionAngle = radians(WFrictionAngle), density = WDensity))

axis = (0,0,1)
angle = 0.25*pi
topbodylist = []
for i in range(10):
    box = utils.box((1+2*i,1,1),(sqrt(2)/2,sqrt(2)/2,sqrt(2)/2))
    box.mat=O.materials[Mat]
    box.state.ori = axis,angle
    boxid = O.bodies.append(box)
    topbodylist.append(boxid)
topwallclump = O.bodies.clump(topbodylist)

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