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Numerical test concerning bone mass apposition under electrical and mechanical stimulus

机译:电动和机械刺激下骨质疏松的数值试验

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摘要

This article proposes a model of bone remodeling that encompasses mechanical and electrical stimuli. The remodeling formulation proposed by Weinans and collaborators was used as the basis of this research, with a literature review allowing a constitutive model evaluating the permittivity of bone tissue to be developed. This allowed the mass distribution that depends on mechanical and electrical stimuli to be obtained. The remaining constants were established through numerical experimentation. The results demonstrate that mass distribution is altered under electrical stimulation, generally resulting in a greater deposition of mass. In addition, the frequency of application of an electric field can affect the distribution of mass; at a lower frequency there is more mass in the domain. These numerical experiments open up discussion concerning the importance of the electric field in the remodeling process and propose the quantification of their effects.
机译:本文提出了一种包含机械和电刺激的骨骼重塑模型。魏南斯和合作者提出的重塑配方被用作这项研究的基础,并通过文献综述建立了能够评估骨组织介电常数的本构模型。这允许获得取决于机械和电刺激的质量分布。其余常数通过数值实验确定。结果表明,在电刺激下质量分布发生改变,通常导致更大的质量沉积。另外,电场的施加频率会影响质量的分布。在较低的频率下,域中的质量更大。这些数值实验就电场在重塑过程中的重要性展开了讨论,并提出了对其影响的量化方法。

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