Loughborough University
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Dynamic properties of cortical bone tissue: impact tests and numerical study

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conference contribution
posted on 2011-08-12, 12:46 authored by Adel A. Abdel-Wahab, Vadim SilberschmidtVadim Silberschmidt
Bone is the principal structural component of a skeleton: it assists the load-bearing framework of a living body. Structural integrity of this component is important; understanding of its mechanical behaviour up to failure is necessary for prevention and diagnostic of trauma. Bone fractures occur in both low-energy trauma, such as falls and sports injury, and high-energy trauma, such as car crash and cycling accidents. By developing adequate numerical models to predict and describe the deformation and fracture behaviour up to fracture of a cortical bone tissue, a detailed study of reasons for, and ways to prevent or treatment methods of, bone fracture could be implemented. This study deals with both experimental analysis and numerical simulations of this tissue and its response to impact dynamic loading. Two areas are covered: Izod tests for quantifying a bone’s behaviour under impact loading, and a 3D finite-element model simulating these tests. In the first part, properties of cortical bone tissue were investigated under impact loading condition. In the second part, a 3D numerical model for the Izod test was developed using the Abaqus/Explicit finite-element software. Bone has time-dependent properties – viscoelastic – that were assigned to the specimen to simulate the short term event, impact. The developed numerical model was capable of capturing the behaviour of the hammer-specimen interaction correctly. A good agreement between the experimental and numerical data was found.



  • Mechanical, Electrical and Manufacturing Engineering


ABDEL-WAHAB, A. A. and SILBERSCHMIDT, V.V., 2011. Dynamic properties of cortical bone tissue: impact tests and numerical study. IN: Burguete, R. L. ... et al, (eds.). Advances in Experimental Mechanics VIII. Selected, peer reviewed papers from the 8th International Conference on Advances in Experimental Mechanics: Integrating Simulation and Experimentation for Validation, September 7-9, 2011, Edinburgh, Scotland, pp. 387-392


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  • AM (Accepted Manuscript)

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Applied mechanics and materials;70


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