A piecewise constitutive model for collagen fiber tissues

X L Ji; H H Zhang; S Y Han

doi:10.1007/s10856-022-06660-9

A piecewise constitutive model for collagen fiber tissues

J Mater Sci Mater Med. 2022 Apr 28;33(5):39. doi: 10.1007/s10856-022-06660-9.

Authors

X L Ji^{1

2}, H H Zhang³, S Y Han¹

Affiliations

¹ School of Civil Engineering and Architecture, Nanchang Hangkong University, Nanchang, Jiangxi, 330063, PR China.
² State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi'an, Shaanxi, 710049, PR China.
³ School of Civil Engineering and Architecture, Nanchang Hangkong University, Nanchang, Jiangxi, 330063, PR China. hhzhang@nchu.edu.cn.

Abstract

Inspired by Meyers et al. (Science, 2013), a piecewise model is established so as to individually predict both the heel region and the linear region of stress-strain curve. When the piecewise model satisfactorily predicts the experimental data, the constitutive parameters are precisely identified with definite physical significances. Along with this piecewise guideline, a complete constitutive model can be established for the whole stress-strain curve of collagen fiber tissues with the failure region as well. Graphical abstract.

MeSH terms

Collagen
Extracellular Matrix*
Skin*

Substances

Collagen