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Abaqus Concrete Damaged Plasticity Model
Hi everybody,
I'm trying to simulate the structural behavior of High Performance Fiber Reinforced Concrete specimens by means of the Concrete Damaged Plasticity Model.
My constitutive relation is represented by a multilinear law, with a nonlinear pre-peak followed by a softening branch.
I've found out that the plasticity model can be defined by means of stress-strain or stress-displacement curves. I need to define a pre-peak multilinear hardening by imposing a piecewise linear stress-strain law, and then a softening branch with a stress-displacement relation (I would like to avoid "manual" regularization i.e. divide the crack opening by the numerical crack bandwidth.
Do you know if there is any quick way to implement a mixed stress-strain/stress-displacement curve?
Thanks a lot
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