Influence of indentation test factors on the mechanical response of the skin
This study proposes in vivo tests and design of experiments to determine the influence of experimental factors on the mechanical response of the soft tissue. The experimental factors considered are: room temperature (A), indentation velocity (B), indenter temperature (C), pump pressure (D) and m...
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| Formato: | article |
| Lenguaje: | EN ES |
| Publicado: |
Pontificia Universidad Javeriana
2019
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/3041abc5bcf1406795e0edaa6e80913b |
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| Sumario: | This study proposes in vivo tests and design of experiments to determine
the influence of experimental factors on the mechanical response of the
soft tissue. The experimental factors considered are: room temperature
(A), indentation velocity (B), indenter temperature (C), pump pressure (D)
and muscle activation (E). An inverse method was developed to obtain the
constants for constitutive equations of a multilayer biological model (skin,
hypodermis, and muscle) through the use of indentation tests in combination
with a finite element method. For each combination of the experimental
factors, two groups of constants were established from the inverse method.
Sixteen combinations of experimental conditions and their corresponding
constants for the Mooney-Rivlin constitutive equations were obtained to
be used in further numerical models. The factor D and factor interactions
ADE, CDE, and ACDE were statistically significant with respect to skin
mechanical response. Therefore, it can be concluded that there is not a current
equation able to represent the mechanical properties of the skin under all the
experimental conditions considered in this study |
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