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Article Dans Une Revue International Journal of Fracture Année : 1999

Failure and scaling properties of a softening interface connected to an elastic block

Résumé

The damage growth in a softening interface connected to an elastic block is analysed. The elastic block, assumed to be infinite, is modelled as a two-dimensional continuum and the interface is one-dimensional with a constitutive response which follows a scalar damage model. The solution technique is based on the equilibrium of the interfacial forces resulting from the deformation of the elastic block and from the interface constitutive response. The interface failure process is compared to that of a hierarchical model which was obtained analytically (Delaplace et al., 1998). The two are found to be similar, without an internal length scaling the distribution of damage at the inception of macro-cracking. Finally, scale effects on the occurrence of bifurcation and instability are considered. It is shown that bifurcation may occur prior to or after the limit point under displacement control, depending on the elastic block height or stiffness.
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hal-01006893 , version 1 (31-07-2017)

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Arnaud Delaplace, Stéphane Roux, Gilles Pijaudier-Cabot. Failure and scaling properties of a softening interface connected to an elastic block. International Journal of Fracture, 1999, 95 (1-4), pp.159-174. ⟨10.1023/A:1018644116373⟩. ⟨hal-01006893⟩
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