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Finite deformation non-isotropic elasto-plasticity with evolving structural tensors. A framework

Abstract : The paper discusses a constitutive model for finite deformation anisotropic elasto-plasticity, within the framework of the multiplicative decomposition of the deformation gradient and of the theory of the structural tensors. It is shown that the driving force for the evolution of the anelastic deformation is not the classic stress, rather a thermodynamic force where the stress is corrected for a term caused by the transformation of the material directions due to plastic deformations. Two scenarios can arise, one in which the material directions do not evolve, and the other in which the material directions can evolve due to anelastic phenomena. The general framework model presented here can be applied to various phenomena in material science.
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https://hal.archives-ouvertes.fr/hal-00874589
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Massimo Cuomo, Mario Fagone. Finite deformation non-isotropic elasto-plasticity with evolving structural tensors. A framework. Il Nuovo Cimento, 2009, 32 C (1), pp.55-72. ⟨hal-00874589⟩

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