New question #688078 on Yade:
https://answers.launchpad.net/yade/+question/688078
Hi,
I am new to YADE. My code currently has on,ly two particles that just stay
there. I have few questions:
1. How do I define a mass to my particle?
2. I want to apply a velocity boundary condition on my second ball. Lets say
0.005t .
Thank you for your help!
My CODE:
# 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)
sphere(center=(0,0,0),radius=.5,fixed=True),
# this particles is free, subject to dynamics
sphere((0,0,2),radius=.5)
])
# FUNCTIONAL COMPONENTS
# simulation loop -- see presentation for the explanation
O.engines=[
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom()], # collision geometry
[Ip2_FrictMat_FrictMat_FrictPhys()], # collision "physics"
[Law2_ScGeom_FrictPhys_CundallStrack()] # contact law --
apply forces
),
]
# set timestep to a fraction of the critical timestep
# the fraction is very small, so that the simulation is not too fast
# and the motion can be observed
O.dt=.5e-4*PWaveTimeStep()
# save the simulation, so that it can be reloaded later, for experimentation
O.saveTmp()
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