New question #466547 on Yade:
https://answers.launchpad.net/yade/+question/466547
i had installed yadedaily in my unbuntu 14.0 system. When i operates the
example script-bouncing sphere, gravity deposition or oedometric test, the same
error confuses me a lot.
in the terminal i input "yadedaily bouncing.py"
(bouncing sphere.py is
O.bodies.append([
sphere(center=(0,0,0),radius=.5,fixed=True),
sphere((0,0,2),.5)
])
O.engines=[
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_L3Geom()],
[Ip2_FrictMat_FrictMat_FrictPhys()],
[Law2_L3Geom_FrictPhys_ElPerfPl()]
),
NewtonIntegrator(gravity=(0,0,-9.81),damping=0.1)
]
O.dt=.5e-4*PWaveTimeStep()
O.saveTmp()
)
the error is
"ERROR /data/trunk/pkg/common/InsertionSortCollider.cpp:240 action: verletDist
is set to 0 because no spheres were found. It will result in suboptimal
performances, consider setting a positive verletDist in your script.
WARN /data/trunk/pkg/dem/Shop_01.cpp:423 PWaveTimeStep: PWaveTimeStep has not
found any suitable spherical body to calculate dt. dt is set to 1.0"
but when i type the same commands by hand, the error would be disappear.
so i don't know why the phenomena happen?
thank you.
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