Simulation of Indentation to Predict the Fracture Load Using Critical Distance
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Finite Element (FE) methods have been widely used to model fractures. The Theory of Critical Distances (TCD) was proposed to predict the fatigue fracture of materials. With the introduction of FE models, this theory has been developed and extensively applied to different materials. FE models of fractures usually need a high resolution meshing or remeshing due to introducing new cracks. In this paper the TCD was adopted to predict the multiaxial fracture of bone with the aim of studying the effects of geometry on fracture force. In different surgeries various kinds of blades are used for cutting bone. Bone has a complicated composite structure and many researchers attempt to understand the mechanism of fractures. Understanding the fracture mechanism, cutting process and predicting the fracture load is useful to optimize the surgical blades. To predict the fracture load especially in complicated problems, computer modelling is necessary.
Reilly, G.,Kasiri, S. & Taylor, D. (2007) Simulation of Indentation to Predict the Fracture Load Using Critical Distance, Biomedicine and Health, Vol.12,pp.113-121, doi.:10.2495/BIO070121,