Dynamic behavior of bones under fracture: fractal dimension vs. applied loads

Jaime Horta Rangel; J. Gomez Sanchez; V. Castano Meneses

doi:10.1117/12.429624

13 June 2001 Dynamic behavior of bones under fracture: fractal dimension vs. applied loads

Jaime Horta Rangel, J. Gomez Sanchez, V. Castano Meneses

Proceedings Volume 4317, Second International Conference on Experimental Mechanics; (2001) https://doi.org/10.1117/12.429624
Event: Second International Conference on Experimental Mechanics, 2000, Singapore, Singapore

Abstract

In this paper are shown the analytical study as well as experimental result carried out on non-human bones. The analytical studies were focused on the observation of the bone behavior under impact loads, longitudinal as well as traversal. Previous to the present work modal analysis study was carried out on the model in order to determine its natural frequencies trough, which the Rayleigh coefficients (alpha) and (beta) associates to the damping of the dynamic systems, were determined. The solution was found using finite element method by means of the ANSYS program. The experimental studies consisted of the slow and monotonous application of compression loads on the specimens recording the level of displacement and deformations. Simultaneously a laser beam was applied to the bone surface, recording the speckle pattern on each load cycle. The obtained results are shown graphically plotting the Von Misses stresses and displacement for the analytical case, and (sigma) -(epsilon) , and Ds-P relations for the experimental case.

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Jaime Horta Rangel, J. Gomez Sanchez, and V. Castano Meneses "Dynamic behavior of bones under fracture: fractal dimension vs. applied loads", Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); https://doi.org/10.1117/12.429624

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KEYWORDS

Bone

Fractal analysis

Speckle

Dynamical systems

Image processing

Modal analysis

Finite element methods

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