Rotational elastic-brittle bonds BrittleBeamPrms vs local plastic Mohr-Coulomb condition
Asked by
Piotr Klejment
Good morning!
When working on application of ESyS to sandstones modeling, I encountered three problems.
Namely, they are as follows:
1) How to link local plastic Mohr-Coulomb condition to the moments and forces of rotational elastic-brittle bonds BrittleBeamPrms.
2) Does the model include Rankine tensile cutt-off condition.
3) Is it true that strength of rocks cannot be reproduced by the Mohr-Coulomb criterion at least in macro-scale (only for limited stress ranges it may be valid) and for that reason Hoek-Brown criterion was introduced some time ago.
I would be very grateful for any hints or suggestions how to figure out that issues.
Thank you and best wishes,
PK
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