Question #647570 on Yade changed:
https://answers.launchpad.net/yade/+question/647570
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi, could specify what kind of visco-elasticity you are looking for (not an
expert of asphalt myself)?
Yade has (at least):
- a parallel spring-dashpot model for the normal force (usual Walton-Braun type
of, a.k.a Kelvin-Voigt [1])
- the previous one with an additional instantaneous spring (Standard Linear
Solid [1]), applied to both normal and shear forces (and combined with friction
for the shear force)
- the previous one with a non-linear dashpot as defined by the lubrication
approximation [2], again for normal and shear directions
An ample choice... and my guess is that all of them will produce macroscopic
visco-elasto-plasticity of some kind.
Bruno
[1] https://en.wikipedia.org/wiki/Viscoelasticity
[2] http://link.springer.com/article/10.1007/s10035-015-0560-6
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