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TECHNICAL PAPERS: Soft Tissue

A Novel Application of the Principles of Linear Elastic Fracture Mechanics (LEFM) to the Fatigue Behavior of Tendon Tissue

[+] Author and Article Information
Samer M. Adeeb, Michelle L. Zec, Cyril B. Frank, Nigel G. Shrive

McCaig Center for Joint Injury and Arthritis Research, University of Calgary, Calgary, Canada

Gail M. Thornton

Division of Orthopaedic Engineering Research, University of British Columbia and MacInnis Engineering Associates Ltd., Vancouver, BC, Canada

J Biomech Eng 126(5), 641-650 (Nov 23, 2004) (10 pages) doi:10.1115/1.1800556 History: Received April 05, 2004; Revised May 03, 2004; Online November 23, 2004
Copyright © 2004 by ASME
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References

Figures

Grahic Jump Location
(a) Results from Schechtman (1995) relating Nf to the maximum stress level. (b) Results from Schechtman (1995) relating log Nf to maximum stress level.
Grahic Jump Location
Relation between Nfσmax2(y/x1) versus σmax2−m(x2/x1) for a value of m=5
Grahic Jump Location
Relation between the value of m and the SEE of the linearized equation, Eq. (15), for two analyses: (a) After eliminating the observations at 10 MPa maximum stress level. (b) After eliminating the observations at 10 and 20 MPa maximum stress levels.
Grahic Jump Location
Relation between the value of m and the UTS predicted from the relation Eq. (15) for two analyses: (a) After eliminating the observations at 10 MPa maximum stress level. (b) After eliminating the observations at 10 and 20 MPa maximum stress levels.
Grahic Jump Location
Relation between the value of Nf and the maximum stress level σmax for the experimental observations versus results from the relations obtained using: the linearized equation, Eq. (15): (a) After eliminating the observations at 10 MPa maximum stress level. (b) After eliminating the observations at 10 and 20 MPa maximum stress levels; and the nonlinear regression on the natural logarithm function, Eq. (21): (c) After eliminating the observations at 10 MPa maximum stress level. (d) After eliminating the observations at 10 and 20 MPa maximum stress levels.
Grahic Jump Location
Relation between the mean values of Nf (after eliminating observations at 10 and 20 MPa maximum stress levels) and the maximum stress level σmax for the experimental observations versus results from the relations, Eqs. (11), (21), obtained using nonlinear regression using: ( a) least squares for the natural logarithm function, (b) least absolute % error
Grahic Jump Location
Relation between the value of ln Nf and the maximum stress level σmax for the experimental observations versus results from linear regression for the complete set of data, after eliminating the observations at 10 MPa maximum stress level, and after eliminating the observations at 10 and 20 MPa maximum stress levels

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