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Tsai-Hill Criterion is used as a yield criterion.
An anisotropic yield criterion with a general representation was suggested.
This last yield criterion has been implemented in Abaqus.
They obey the linear Mohr Coulomb yield criterion.
The Mohr Coulomb yield criterion allows for better adjustment of the experimental data than the pressure-independent Tresca yield criterion.
Finally, a yield criterion is proposed for the cracked structure.
A yield criterion is implemented for shear deformation.
An equivalent yield criterion had been proposed independently by the Polish engineer Maksymilian Tytus Huber.
In absence of any accepted yield criterion to describe plasticity of such materials, the present study proposes a new yield criterion, which, at appropriate limits, reduces to Hill anisotropic and Hoffman isotropic yield criterion.
The ductile rheology is combined with a brittle/plastic rheology to yield an effective visco-plastic rheology with a Drucker-Prager yield criterion.
This can reduce to the yield criterion for a solid monolithic cross-section and the classical yield criterion for sandwich cross-sections with a weak core, respectively.
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