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[Question #703122]: Why, after adding particle properties, the simulation results are inaccurate

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: 孙灿 <question703122@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 11 Sep 2022 07:01:09 -0000
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New question #703122 on Yade:
https://answers.launchpad.net/yade/+question/703122

Before I added the granular material (using the default material), the simulation worked well and the results were in line with the actual law, but when I added the material, the result was wrong, was my method of setting the material wrong?

The relevant code is as follows:

SphereMat = O.materials.append(FrictMat(young = Young, poisson = PoissonRatio, frictionAngle = radians(FrictionAngle), density = Density))
WallMat = O.materials.append(FrictMat(young = WYoung, poisson = WPoissonRatio, frictionAngle = radians(WFrictionAngle)))

from yade import pack,plot
O.bodies.append(geom.facetBox((0.05, 9, 10), (0.1, 9, 10), wallMask=63,material=WallMat))
sp = pack.SpherePack()
sp.makeCloud(Vector3(0.05,0,0),Vector3(0.05,18,20), rMean=0.05, rRelFuzz=0)
sp.toSimulation(material = SphereMat)

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