Artículo
Multiscale Characterisation of Cortical Bone Tissue
Autor/es | Sanz Herrera, José Antonio
Mora Macías, Juan Reina Romo, Esther Domínguez Abascal, Jaime Doblaré, M. |
Departamento | Universidad de Sevilla. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras Universidad de Sevilla. Departamento de Ingeniería Mecánica y de Fabricación |
Fecha de publicación | 2019-12 |
Fecha de depósito | 2020-07-14 |
Publicado en |
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Resumen | Multiscale analysis has become an attractive technique to predict the behaviour of
materials whose microstructure strongly changes spatially or among samples, with that microstructure
controlling the local constitutive ... Multiscale analysis has become an attractive technique to predict the behaviour of materials whose microstructure strongly changes spatially or among samples, with that microstructure controlling the local constitutive behaviour. This is the case, for example, of most biological tissues—such as bone. Multiscale approaches not only allow, not only to better characterise the local behaviour, but also to predict the field-variable distributions (e.g., strains, stresses) at both scales (macro and micro) simultaneously. However, multiscale analysis usually lacks su cient experimental feedback to demonstrate its validity. In this paper an experimental and numerical micromechanics analysis is developed with application to cortical bone. Displacement and strain fields are obtained across the microstructure by means of digital image correlation (DIC). The other mechanical variables are computed following the micromechanics theory. Special emphasis is given to the di erences found in the di erent field variables between the micro- and macro-structures, which points out the need for this multiscale approach in cortical bone tissue. The obtained results are used to establish the basis of a multiscale methodology with application to the analysis of bone tissue mechanics at di erent spatial scales. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España |
Identificador del proyecto | DPI2014-58233-P
DPI2017-82501-P PGC2018-097257-B-C31 |
Cita | Sanz Herrera, J.A., Mora Macías, J., Reina Romo, E., Domínguez Abascal, J. y Doblaré, M. (2019). Multiscale Characterisation of Cortical Bone Tissue. Applied Sciences, 9 (23), Article number 5228. |
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