Question #657063 on Yade changed:
https://answers.launchpad.net/yade/+question/657063
Status: Open => Answered
Bruno Chareyre proposed the following answer:
The consolidation stage is supposed to be isotropic. If it is isotropic +
constant volume then there is really nothing happening, the boundaries do not
move, and the stress is constant.
"But the stress must be increased", you may think. Yes, if you think in terms
of total stress on a saturated sample in lab tests, but you don't simulate the
saturating fluid, so what you have for stress in the simulation should be
understood as effective stress. And of course (do you agree?) the effective
stress is not changing during a "U" consolidation.
Bruno
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