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Experimentally tractable, pseudo-elastic constitutive law for biomembranes: II. Application
John C Criscione1, Michael S Sacks, William C Hunter
1Dept. of Bioengineering, University of California San Diego, La Jolla, CA 92093, USA. jccriscione@tamu.edu
Journal of Biomechanical Engineering
|March 29, 2003
Abstract:
This is the second paper of a 2 part series. In the first, a theoretical framework is developed that provides 3 enhancements for the constitutive theory of biomembranes. 1) Covariance amongst response terms is minimized, 2) the pseudo-strain-energy potential is redefined so as to be measurable, and 3) the stress response is decomposed into 2 parts--a hyperelastic part plus a hypoelastic-stress-residual. This paper illustrates the experimental advantages of this novel constitutive theory via analysis of biaxial test data obtained from chemically treated bovine pericardium.