A damage model for collagen fibres with an application to collagenous soft tissues

Gerhard A Holzapfel*, Ray W Ogden

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikel

Abstract

We propose a mechanical model to account for progressive damage in collagen fibres within fibrous soft tissues. The model has a similar basis to the pseudoelastic model that describes the Mullins effect in rubber but it also accounts for the effect of cross-links between collagen fibres. We show that the model is able to capture experimental data obtained from rat tail tendon fibres, and the combined effect of damage and collagen cross-links is illustrated for a simple shear test. The proposed three-dimensional framework allows a straightforward implementation in finite-element codes, which are needed to analyse more complex boundary-value problems for soft tissues under supra-physiological loading or tissues weakened by disease.

Originalspracheenglisch
Seiten (von - bis)20190821
FachzeitschriftProceedings of the Royal Society of London / A
Jahrgang476
Ausgabenummer2236
DOIs
PublikationsstatusVeröffentlicht - Apr 2020

ASJC Scopus subject areas

  • !!Engineering(all)
  • !!Physics and Astronomy(all)
  • !!Mathematics(all)

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