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Could somebody tell me if the CohesiveFrictionalLaw is ready to use? And is there any validation as well as benchmark for that contact law? It looks in the development stage for me but it can be very useful to simulate some cohesive materials such as clays.
It should work.
This law is relatively general. You have to tune it to choose between
fragile or perfectly plastic behaviour (the first would be better for
rocks, the second seems more realistic for soft soils), and also decide
if contacts created during the deformation will be cohesive or not.
It can include bending/torsional effects too, but those components will
be only elastic for now. It is no big deal to add a plasticity threshold.
If you need a cohesive law, I recommend using this law as a basis and
adapt it to your specific needs instead of starting a new class.
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