Finite deformation biphasic material properties of bovine articular cartilage from confined compression experiments

G. A. Ateshian, W. H. Warden, J. J. Kim, R. P. Grelsamer, V. C. Mow

Research output: Contribution to journalArticlepeer-review

287 Scopus citations

Abstract

A study was undertaken to assess the validity of the hyperelastic biphasic theory which is used to describe finite deformation behaviors of articular cartilage. The study aims to investigate whether the theory can be used to curve-fit the finite deformation compressive stress-relaxation behavior of the tissue, and from this procedure, to calculate its material coefficients. It also aims to examine whether the theory, together with the calculated material coefficients, can accurately predict the outcome of an independent creep experiment followed by cyclic loading of the tissue.

Original languageEnglish
Pages (from-to)1157-1164
Number of pages8
JournalJournal of Biomechanics
Volume30
Issue number11-12
DOIs
StatePublished - 1997
Externally publishedYes

Keywords

  • Biphasic theory
  • Cartilage
  • Confined compression
  • Finite deformation

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