New question #248700 on Yade:
https://answers.launchpad.net/yade/+question/248700
Hi,
Im trying to solve this code,
#exercicio de Law
# basic simulation showing sphere falling ball gravity,
# bouncing against another sphere representing the support
# DATA COMPONENTS
# add 2 particles to the simulation
# they the default material (utils.defaultMat)
O.bodies.append([
# fixed: particle's position in space will not change (support)
utils.sphere(center=(0,0,0),radius=.5,fixed=True),
# this particles is free, subject to dynamics
utils.sphere((0,0,2),.5)
])
# FUNCTIONAL COMPONENTS
# simulation loop -- see presentation for the explanation
O.engines=[
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom6D()],
[Ip2_CohFrictMat_CohFrictMat_CohFrictPhys(label="cohesiveIp")],
[Law2_ScGeom6D_CohFrictPhys_CohesionMoment(label="cohesiveLaw")]
),
# apply gravity force to particles
GravityEngine(gravity=(0,0,-9.81)),
# damping: numerical dissipation of energy
NewtonIntegrator(damping=0.1)
]
O.dt=.5e-3*utils.PWaveTimeStep()
O.saveTmp()
To understand better the Law2_ScGeom6D_CohFrictPhys_CohesionMoment, but the
error [1] always appears:
[1]ERROR
/tmp/buildd/yadedaily-1.05.0-28-g5e71fa5~precise/pkg/common/GravityEngines.cpp:19
action: GravityEngine is deprecated, consider using Newton::gravity instead
(unless gravitational energy has to be tracked - not implemented with the
newton attribute).
terminate called after throwing an instance of 'std::runtime_error'
what(): Undefined or ambiguous IPhys dispatch for types FrictMat and
FrictMat.
What am I doing wrong
Thanks
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