Incremental homogenization approach for ageing viscoelastic polycrystals
Article dans une revue avec comité de lecture
Author
MASSON, RenaudBRENNER, RenaldCASTELNAU, OlivierAbstract
An approximate self-consistent modelling is proposed to estimate the effective viscoelastic response of polycrystals presenting an ageing constitutive behaviour. This approach makes use of the equivalence between the Dirichlet series approximation of the viscoelastic functions and an internal variables formulation. An illustrative application is performed for model 2D polycrystals for which the exact expression of the continuous effective relaxation spectrum is given
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