New question #707137 on Yade:
https://answers.launchpad.net/yade/+question/707137
Hello,
I would like to ask that if there is a way to run simulations like batch mode
but without using the actual batch mode function.
In more details:
1. I would like to run a simulation which will stop at a given time.
2. Then I would like to save a data.
3. After, I would like to reload/reset the simulation and change one thing (ie.
density of a particle).
4. Then run the simulation again and save the same data.
I have created an MWE using the bouncing sphere example. In this example, I
don't change any parameter. I just run the simulation for 1 sec, then I print
the number of the current run, then reset and start again.
My problem is that the simulation won't reload and won't start automatically
again. I have tried O.loadTmp() instead of O.reload() but had no success.
-----------MWE-----------
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), .5)
]
)
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
),
# Apply gravity force to particles. damping: numerical dissipation of
energy.
NewtonIntegrator(gravity=(0, 0, -9.81), damping=0.1),
PyRunner(command='stop()',realPeriod=.5)
]
O.dt = .5e-4 * PWaveTimeStep()
index=0
def stop():
global index
if O.time>1:
index=index+1
print(str(index)+'. run')
O.reload()
#O.loadTmp()
O.run()
# save the simulation, so that it can be reloaded later, for experimentation
O.saveTmp()
O.run()
-----------End of MWE----------
Thank you in advance for your help !
D
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