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TECHNICAL PAPERS: Soft Tissue

Constitutive Modeling of Porcine Coronary Arteries Using Designed Experiments

[+] Author and Article Information
Stacey A. Dixon, Raymond P. Vito

Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332

Russell G. Heikes

School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, GA 30332

J Biomech Eng 125(2), 274-279 (Apr 09, 2003) (6 pages) doi:10.1115/1.1560138 History: Received January 01, 2001; Revised November 01, 2002; Online April 09, 2003
Copyright © 2003 by ASME
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References

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Dixon, S. A., 2000, “Biomechanical Analysis of Coronary Arteries Using a Complementary Energy Model and Designed Experiments,” Ph.D. Thesis, Georgia Institute of Technology, Atlanta, GA.
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Dixon, S. A., and Vito, R. P., “Regional and Directional Differences in the Strain Response of Coronary Arteries to Physiologic Loading,” in preparation.

Figures

Grahic Jump Location
A) Placement of the six particles affixed to the specimen at the intersection of a horizontal plane containing the axis of the cylinder and the outer diameter. B) Camera view of the six particles affixed to the specimen, used for deformation calculations.
Grahic Jump Location
Average circumferential engineering strain response, with confidence interval error bars, for the left anterior descending, left circumflex, and right coronary artery design points (staggered for clarity).
Grahic Jump Location
Overlay of the average axial left circumflex data, fit to the two parameter logarithmic complementary energy function. Data are representative of the other regions.
Grahic Jump Location
Overlay of the average circumferential left circumflex data, fit to the two parameter logarithmic complementary energy function. Data are representative of the other regions.
Grahic Jump Location
Equiradial central composite design in measured force and internal pressure. Closed diamonds are the design points and center point. Open diamonds are the intermediate points.
Grahic Jump Location
Average axial engineering strain response, with confidence interval error bars, for the left anterior descending, left circumflex, and right coronary artery design points (staggered for clarity).

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