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Numerical Modelling of Femur Fracture and Experimental Validation Using Bone Simulant |
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| Authors: | Miguel Marco Eugenio Giner Ricardo Larraínzar-Garijo José Ramón Caeiro María Henar Miguélez |
| Institution: | 1.Department of Mechanical Engineering,Universidad Carlos III de Madrid,Leganés,Spain;2.Department of Mechanical and Materials Engineering (CIIM),Universitat Politècnica de València Camino de Vera,Valencia,Spain;3.Orthopaedics and Trauma Department, Surgery Department,Hospital Universitario Infanta Leonor, Complutense University,Madrid,Spain;4.Orthopedic Surgery and Traumatology Service,Complejo Hospitalario Universitario de Santiago de Compostela,Santiago de Compostela, A Coru?a,Spain |
| Abstract: | Bone fracture pattern prediction is still a challenge and an active field of research. The main goal of this article is to present a combined methodology (experimental and numerical) for femur fracture onset analysis. Experimental work includes the characterization of the mechanical properties and fracture testing on a bone simulant. The numerical work focuses on the development of a model whose material properties are provided by the characterization tests. The fracture location and the early stages of the crack propagation are modelled using the extended finite element method and the model is validated by fracture tests developed in the experimental work. It is shown that the accuracy of the numerical results strongly depends on a proper bone behaviour characterization. |
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