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[rox212 <question700847@xxxxxxxxxxxxxxxxxxxxx>]

New question #700847 on Yade:
https://answers.launchpad.net/yade/+question/700847

Dear all,

Is there a way to access the friction energy dissipation contribution? and the impact energy dissipation?  Or to put in other words, the energy that is loss by friction and the energy that is loss by inelastic collisions?

I am using yade 2018b. And I am using the following engines with integrators/laws:

O.engines = [
  ForceResetter(),
  InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Facet_Aabb()],label='collider'),
  InteractionLoop(
    [Ig2_Sphere_Sphere_ScGeom(),Ig2_Facet_Sphere_ScGeom()],
    [Ip2_FrictMat_FrictMat_FrictPhys(label='frict')],
    [Law2_ScGeom_FrictPhys_CundallStrack(traceEnergy=True,label='cundall')],
  ),
    GravityEngine(gravity=(0,0,-9.8)),
    NewtonIntegrator(damping=dampingCoeffCundall,label='newtonInt'),
    TranslationEngine(translationAxis=[0,0,1],velocity=velocityDamp,ids=idTop,dead=False,label='translat'),
    TranslationEngine(translationAxis=[0,0,1],velocity=velocityDamp,ids=idWalls,dead=False,label='translatbottom'),
    TranslationEngine(translationAxis=[0,0,1],velocity=velocityDamp,ids=idBottom,dead=False,label='translatBottom'),
    HarmonicMotionEngine(A=amplitude, f=frequency , fi = initialPhase, ids = idTop, label='combEngine',dead=True),
    HarmonicMotionEngine(A=amplitude, f=frequency , fi = initialPhase, ids = idWalls, label='combEngine1',dead=True),
    HarmonicMotionEngine(A=amplitude, f=frequency , fi = initialPhase, ids = idBottom, label='combEngine2',dead=True),
]

Thank you in advance!





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