New question #687294 on Yade:
https://answers.launchpad.net/yade/+question/687294
I am trying to apply a permanent force on a sphere with the help of a utils
box(only one side as a plate). But when I apply a permanent force on the plate,
the plate passes through the sphere as if there is no interaction instead of
moving the sphere. Kindly help me with this issue.
Yade 20191217-2900~6d5e1cb~xenial1
Using python version: 3.5.2
Here is the Minimal working script:
from yade import pack, qt, export, ymport, plot
O.reset()
concrete_material=CpmMat(
young = 1e10,
density=1400,
poisson = 0.25,
frictionAngle = radians(40),
epsCrackOnset = 1e-4,
relDuctility = 10,
sigmaT = 1e18,
label='concrete_mat'
)
mat1=O.materials.append(concrete_material)
#O.materials.append(FrictMat(frictionAngle=0,density=0,label='walls'))
O.bodies.append([
sphere(center=(0,0,0),radius=.5,fixed=False,material='concrete_mat'),
])
O.engines=[
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb(aabbEnlargeFactor=1,label='bo1s'),Bo1_Facet_Aabb(),Bo1_Wall_Aabb(),Bo1_Box_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom(interactionDetectionFactor=1,label='ig2s'),Ig2_Facet_Sphere_ScGeom(),Ig2_Wall_Sphere_ScGeom(),Ig2_Box_Sphere_ScGeom()],
[Ip2_CpmMat_CpmMat_CpmPhys(cohesiveThresholdIter=1)],
[Law2_ScGeom_CpmPhys_Cpm()]
),
NewtonIntegrator(gravity=(0,0,0),damping=0.5),
GlobalStiffnessTimeStepper(active=True,timeStepUpdateInterval=1,timestepSafetyCoefficient=0.8),
]
O.step()
U_box= utils.box((.5,1,-.5),(1,0,.5),fixed=False,wire=False,color=(1,0,0))
O.bodies.append(U_box)
U_box.state.mass=10
O.forces.setPermF(U_box.id,(0,-20,0))
yade.qt.View()
O.saveTmp()
####
Thanks in advance
Arun
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