Large deformation shear properties of liver tissue - PubMed (original) (raw)

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• PMID: 12454439

Large deformation shear properties of liver tissue

Zizhen Liu et al. Biorheology. 2002.

Abstract

Characterization of the mechanical properties of soft biological tissues is important for establishing the mechanical tolerances of the tissues, and for input to computational models. In this work, the viscoelastic properties of bovine liver tissue in shear loading have been measured using relaxation and constant shear rate loading. The tissue is nonlinearly viscoelastic for strains greater than 0.2%, has a yield strain of approximately 10, and shows moderate strain-rate sensitivity. The response can be modelled using a nonlinear viscoelastic differential model previously developed for brain tissue.

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