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Ligia Munteanu, Veturia Chiroiu and Valeria Mosnegutu. The Anisotropy of Young’s Modulus in Bones. Computers, Materials & Continua, 26(2), pp. 137-155, 2011.

Abstract: In this paper, yet another method for evaluating the elastic modulus
for human bones is introduced and investigated. This method adopts the Jankowski and Tsakalakos strain energy function in which, the Born-Mayer energy term is the predominant term for calculations the elastic constants. By taking accounts the directional aspects of the spatial structure of bones, we obtain different values for
the Young’s modulus depending on the direction of the applied force with respect to the material’s structure. The inverse problem analyzed in this paper is solved by inversion of the experimental data. An efficient stopping criterion is adopted to cease the iterative process in order to retrieve stable numerical solutions. The numerical implementation of the aforementioned method is realized by employing a genetic algorithm.

Keywords: Bone, anisotropy, Young’s modulus, strain energy function, genetic algorithm.

URL: http://doi:10.3970/cmc.2011.026.137

Posted by Veturia Chiroiu

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