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The Anisotropy of Young's Modulus in Bones

机译:骨骼中杨氏模量的各向异性

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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.
机译:在本文中,介绍并研究了另一种评估人体骨骼弹性模量的方法。该方法采用Jankowski和Tsakalakos应变能函数,其中Born-Mayer能量项是计算弹性常数的主要项。通过考虑骨骼空间结构的方向性,我们根据施加力相对于材料结构的方向获得了不同的杨氏模量值。本文分析的反问题是通过对实验数据进行反演来解决的。采用有效的停止准则来停止迭代过程,以获取稳定的数值解。上述方法的数值实现是通过遗传算法实现的。

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