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  • Publication
    Variation of Stress Intensity Factor and Strain Energy Release Rate in Human Cortical Bone Using Finite Element Analysis
    Finite element analysis is an alternative way to study human fracture behaviour as the technology is a leading innovation in biomechanics field. The aim of this study is to analyse the strain intensity factor and strain energyrelease rate when three-point bending test and tensile test were applied on a two-dimensional cortical bone model developed and tested using finite element software, Ansys. K values gained from Data Extrapolation Method (DEM) through Ansys for three-point bending test were compared with CINT method, Hiroshi Tada’s and Allan F. Bower’s theoretical expression while K values from DEM were only been compared with CINT method for tensile test. Meanwhile, J-integral values were obtained through CINT method using Ansys and analysed with different crack-to-width ratios and loads. As a result, stress intensity factor increased as crack-to-width ratio increased and strain energy release rate also increased as crack-to-width ratio and loads increased. It can be concluded that finite element analysis can be used to study the fracture behaviour of human cortical bone.