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Re: [Question #707022]: A problem with 'JCFmpMat'


Question #707022 on Yade changed:

    Status: Open => Answered

Luc Scholtès proposed the following answer:

It would be good to know about those differences you mention (stiffness,
peak value, residual strength, ...) but I can already say this:

The JCFPM defines the equilibrium distance from the initial
interparticle centre to centre distance (computed from at the first
iteration of the simulation). The Cundall&Strack model (frictmat)
defines the equilibrium distance as the actual geometrical contact
(centre to centre distance - sum of radii).

Basically, the sample is stress free at the first iteration of a JCFPM

Also, you can define long range interactions with the JCFPM: intR>1 will
create contacts between particles not geometrically in contact.


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