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[Bruno Chareyre <question689052@xxxxxxxxxxxxxxxxxxxxx>]

Question #689052 on Yade changed:
https://answers.launchpad.net/yade/+question/689052

    Status: Open => Answered

Bruno Chareyre proposed the following answer:
Hi,

Creep implements a force relaxation like this:
d(fs)/dt=-fs/c

where "c" is the creeping viscosity. It is _not_ the usual spring-dashpot, which would converge to an equilibrium ultimately.
With creep activated the contacts will slide (in principle very slowly) forever.
I wouldn't dare calling it "damping" although that's a sufficiently vague notion to include nearly everything.

The law functor which is the closest to the classical spring-dashpot is
Law2_ScGeom_ViscElPhys_Basic.

I hope it helps.

Bruno

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