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[Question #252675]: Energy dissipation through broken cohesion

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From: Pascal Hagenmuller <question252675@xxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 05 Aug 2014 20:41:42 -0000
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New question #252675 on Yade:
https://answers.launchpad.net/yade/+question/252675

Hello,

I am working with clumps composed of spheres. The sphere-sphere contacts are cohesive and implemented through the law Law2_ScGeom6D_CohFrictPhys_CohesionMoment. All contacts are initially cohesive and once broken they remain broken.  The breaking of bonds dissipates energy (the energy stored in the elastic spring which breaks). 

Similarly to the tracking of plastic dissipation (O.energy['shearDissip']), is it possible to track the dissipation because of bond breaking or is it already tracked somewhere ? If not can I rely on O.energy.total() to calculate the bond breaking dissipation as the difference between the total energy computed by Yade and the work of external force imposed to the system ?

Thanks 

Pascal

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