Data-Driven Computational Simulation in Bone Mechanics.

Annals of Biomedical Engineering
J A Sanz-HerreraM Doblaré

Abstract

The data-driven approach was formally introduced in the field of computational mechanics just a few years ago, but it has gained increasing interest and application as disruptive technology in many other fields of physics and engineering. Although the fundamental bases of the method have been already settled, there are still many challenges to solve, which are often inherently linked to the problem at hand. In this paper, the data-driven methodology is applied to a particular problem in tissue biomechanics, a context where this approach is particularly suitable due to the difficulty in establishing accurate and general constitutive models, due to the intrinsic intra and inter-individual variability of the microstructure and associated mechanical properties of biological tissues. The problem addressed here corresponds to the characterization and mechanical simulation of a piece of cortical bone tissue. Cortical horse bone tissue was mechanically tested using a biaxial machine. The displacement field was obtained by means of digital image correlation and then transformed into strains by approximating the displacement derivatives in the bone virtual geometric image. These results, together with the approximated stress state, assum...Continue Reading

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Citations

Jun 15, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Pablo Blázquez-CarmonaEsther Reina-Romo

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Software Mentioned

DIC
Matlab®
Vic2D

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