Probabilistic failure analysis of bone using a finite element model of mineral-collagen composites.

ABSTRACT: Microdamage accumulation is a major pathway for energy dissipation during the post-yield deformation of bone. In this study, a two-dimensional probabilistic finite element model of a mineral-collagen composite was developed to investigate the influence of the tissue and ultrastructural properties of bone on the evolution of microdamage from an initial defect in tension. The probabilistic failure analyses indicated that the microdamage progression would be along the plane of the initial defect when the debonding at mineral-collagen interfaces was either absent or limited in the vicinity of the defect. In this case, the formation of a linear microcrack would be facilitated. However, the microdamage progression would be scattered away from the initial defect plane if interfacial debonding tak

SUBMITTER: Dong XN 

PROVIDER: S-EPMC2679959 | biostudies-literature | 2009 Feb

REPOSITORIES: biostudies-literature