Abstract
Study of effective behavior of heterogeneous materials, starting from the properties of the microstructure, represents a critical step in the design and modeling of new materials. Within this framework, the aim of this work is to introduce a general internal variables approach for scale transition problem in linear viscoelastic case. A new integral formulation is established, based on the complete taking into account of field equations and differential constitutive laws of the heterogeneous problem, in which the effects of elasticity and viscosity interact in a representative volume element. Thanks to Green’s techniques applied to space convolution’s term, a new concentration relation is obtained. The step of homogenization is then carried out according to the self-consistent approximation. The results of the present model are illustrated and compared with those provided by Hashin’s and Rougier’s ones, considered as references, and by internal variables models such as those of Weng and translated fields.
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Coulibaly, M., Sabar, H. Micromechanical modeling of linear viscoelastic behavior of heterogeneous materials. Arch Appl Mech 81, 345–359 (2011). https://doi.org/10.1007/s00419-010-0411-1
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DOI: https://doi.org/10.1007/s00419-010-0411-1