Anisotropy of direction-based constitutive models for rubber-like materials

Jean Gillibert (1) , Mathias Brieu (1) , Julie Diani (2)

1 LML - Laboratoire de Mécanique de Lille - FRE 3723
2 LIM - Laboratoire d'Ingénierie des Matériaux

A study of direction-based models for the representation of isotropic and anisotropic hyperelastic behaviour of rubber-like materials is proposed. The interest in such models is sustained by their ability to account for the Mullins effect induced anisotropy. For such a purpose, the directional models should be initially isotropic and representative of the hyperelastic behaviour of rubber-like materials. Various models were defined according to different sets of directions. Models were tested in terms of their initial anisotropy and their ability to reproduce the classic full-network hyperelastic behaviour. Various models were proved to perform very well.

Mots clés: Rubbers; Non-linear elasticity; Large deformation; Anisotropy

Domaines: Matériaux

Jean Gillibert, Mathias Brieu, Julie Diani. Anisotropy of direction-based constitutive models for rubber-like materials. International Journal of Solids and Structures, 2010, 47 (5), pp.640-646. ⟨10.1016/j.ijsolstr.2009.11.002⟩. ⟨hal-00444336⟩