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Special Section Technical Briefs

Modeling of Swine Diaphragmatic Tissue Under Uniaxial Loading1

[+] Author and Article Information
Andy Huynh, Maria Molina Espinosa, Fluvio L. Lobo Fenoglietto

Department of Biomedical Engineering,
University of Minnesota,
Minneapolis, MN 55455

Ashish Singal

Department of Biomedical Engineering,
University of Minnesota,
Minneapolis, MN 55455
Department of Surgery,
University of Minnesota,
Minneapolis, MN 55455

Paul A. Iaizzo

Department of Biomedical Engineering,
University of Minnesota,
Minneapolis, MN 55455
Department of Surgery,
University of Minnesota,
Minneapolis, MN 55455
Integrative Biology and Physiology,
University of Minnesota,
Minneapolis, MN 55455
Institute for Engineering in Medicine,
University of Minnesota,
Minneapolis, MN 55455

Accepted and presented at The Design of Medical Devices Conference (DMD2015), April 13–16, 2015, Minneapolis, MN, USA.

Manuscript received March 3, 2015; final manuscript received March 17, 2015; published online July 16, 2015. Editor: Arthur Erdman.

J. Med. Devices 9(3), 030950 (Sep 01, 2015) (3 pages) Paper No: MED-15-1106; doi: 10.1115/1.4030580 History: Received March 03, 2015; Revised March 17, 2015; Online July 16, 2015

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References

Singal, A., Soule, L. C., and Iaizzo, P., 2014, “Measurement of Biomechanical Properties of Tissues Under Uniaxial Stress,” ASME J. Med. Devices, 8(2), p. 020905. [CrossRef]
Fung, Y.-C., 1993, Biomechanics: Mechanical Properties of Living Tissues, 2nd ed., Springer-Verlag, New York, pp. 273–275.
Ogden, R. W., 1972, “Large Deformation Isotropic Elasticity—On the Correlation of Theory and Experiment for Incompressible Rubberlike Solids,” Proc. R. Soc. London, Ser. A, 326(1567), pp. 565–584. [CrossRef]
Mooney, M., 1940, “A Theory of Large Elastic Deformation,” J. Appl. Phys., 11(9), pp. 582–592. [CrossRef]
Rivlin, R. S., 1948, “Large Elastic Deformations of Isotropic Materials. IV. Further Developments of the General Theory,” Philos. Trans. R. Soc. London, Ser. A, 241(835), pp. 379–397. [CrossRef]

Figures

Grahic Jump Location
Fig. 1

Model fitting and optimization results of a representative sample. Each sample was fitted to three main constitutive models: Ogden, Mooney–Rivlin, and Fung.

Grahic Jump Location
Fig. 2

FEM of diaphragm muscle bundle under uniaxial stress. The gradient bar on the right of the figure shows the stress (Pascals) on the bundle model. The higher the stress, the darker the element within the model.

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