New question #226370 on Yade:
https://answers.launchpad.net/yade/+question/226370
Hi,
I want to investigate energy dissipation by damping and friction with
Hertz-Mindlin model. I modified
examples/simple-scene/simple-scene-energy-tracking.py a little bit:
...
O.trackEnergy=True
O.engines=[
...
[Ip2_FrictMat_FrictMat_MindlinPhys(betan=0.9,betas=0.9,label='ContactModel')],
[Law2_ScGeom_MindlinPhys_Mindlin(neverErase=False,label='Mindlin')]#,calcEnergy=True)]
),
...
]
...
Mindlin.calcEnergy=True
def myAddPlotData():
normal_Work = Mindlin.normElastEnergy()
shear_Work = Mindlin.shearEnergy()
norm_damp_dissip = Mindlin.normDampDissip()
shear_damp_dissip = Mindlin.shearDampDissip()
fric_dissip = Mindlin.frictionDissipation()
...
Now I am facing a TypeError: 'float' object is not callable
Looking at the source code [1] gives me the hint, that these informations are
not defined as usual ...
((OpenMPAccumulator<Real>,frictionDissipation,,Attr::noSave,"Energy dissipation
due to sliding"))
((OpenMPAccumulator<Real>,shearEnergy,,Attr::noSave,"Shear elastic potential
energy"))
((OpenMPAccumulator<Real>,normDampDissip,,Attr::noSave,"Energy dissipated by
normal damping"))
((OpenMPAccumulator<Real>,shearDampDissip,,Attr::noSave,"Energy dissipated by
tangential damping"))
[1] https://github.com/yade/trunk/blob/master/pkg/dem/HertzMindlin.hpp#L146
Regards,
christian
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