Extension of classical viscoelastic models in large deformation to anisotropy and stress softening

Marie Rebouah 1 Grégory Chagnon 1, *
* Corresponding author
1 TIMC-IMAG-BioMMat - Ingénierie Biomédicale et Mécanique des Matériaux
TIMC-IMAG - Techniques de l'Ingénierie Médicale et de la Complexité - Informatique, Mathématiques et Applications, Grenoble - UMR 5525
Abstract : In this paper, an extension of two classical viscoelastic models adapted in large deformation for incompressible rubber like materials or soft tissues is proposed. These models are built by using a three dimensional homogeneization by means of a sphere unit approach. Thus several comparisons between classical formulations and homogeneization on a sphere unit formulation is proposed. An adaptation of those models to describe anisotropy is proposed. Finally an extension of those models to take into account stress softening is described.
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Marie Rebouah, Grégory Chagnon. Extension of classical viscoelastic models in large deformation to anisotropy and stress softening. International Journal of Non-Linear Mechanics, Elsevier, 2014, 61, pp.54-64. ⟨10.1016/j.ijnonlinmec.2014.01.009⟩. ⟨hal-00965992⟩

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