Question #226370 on Yade changed:
https://answers.launchpad.net/yade/+question/226370
Status: Open => Answered
Anton Gladky proposed the following answer:
Does it work without brackets?
norm_damp_dissip = Mindlin.normDampDissip
shear_damp_dissip = Mindlin.shearDampDissip
Anton
2013/4/10 Christian Jakob <[email protected]>:
> 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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