New question #136486 on Yade:
https://answers.launchpad.net/yade/+question/136486

Hi folks,

question on viscous damping for a non linear elastic law, alias Hertz type. At 
the moment, in the code, we are considering a viscous force which depends 
linearly on the relative velocity at the contact. However, in this way, one 
cannot predict the coefficient of restitution (it is not constant). Is there 
someone in this community with some experience about contact viscous damping 
and non linear elastic behavior? What relationship would you suggest and why?

Chiara

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