Reliability Analysis of Mixed Mode Cracking with Viscoelastic Orthotropic Behaviour

Rostand Moutou Pitti (1, 2) , Alaa Chateauneuf (1) , Claude Chazal (3)

1 IP - Institut Pascal
2 CENAREST - Centre national de la recherche scientifique et technologique
3 GEMH - Groupe d'Etudes des Matériaux Hétérogènes

The reliability analysis applied to viscoelastic and orthotropic materials, in the case of mixed mode configuration, is studied in this work. The M integral, separating mixed mode during creep crack initiation in viscoelastic field, is used in the analytical approach. The main development, based on conservative law, and a combination of real and virtual displacement fields, is proposed. In order to provide mixed mode configuration, a Compact Tension Shear (CTS) specimen is used in the numerical process. Simultaneously the fracture and the viscoelastic procedures are coupled with reliability analysis in order to take account for model and parameter uncertainties. In this case, the random parameters related to model factors, elastic constants are defined in the reliability analysis of time dependent fracture materials subjected to complex loading. As results, the reliability levels are computed and discussed according to various mixed-mode loading scenarios

Domaines: Mécanique [physics.med-ph]; Matériaux composites et construction; Construction durable

Rostand Moutou Pitti, Alaa Chateauneuf, Claude Chazal. Reliability Analysis of Mixed Mode Cracking with Viscoelastic Orthotropic Behaviour. Tom Proulx. Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Proceedings of the 2011 Annual Conference on Experimental and Applied Mechanics, 3, Springer, pp.249-256, 2011, Conference Proceedings of the Society for Experimental Mechanics Series, 978-1-4614-0213-8. ⟨10.1007/978-1-4614-0213-8_36⟩. ⟨hal-01616927⟩