Journal
MEDICAL ENGINEERING & PHYSICS
Volume 30, Issue 3, Pages 358-366Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.medengphy.2007.04.005
Keywords
tensor tympani tendon; mechanical properties; finite element modeling; tissue biomechanics
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Funding
- NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS [R01DC006632] Funding Source: NIH RePORTER
- NIDCD NIH HHS [R01 DC 006632] Funding Source: Medline
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In this paper, we report mechanical properties of the tensor tympani tendon of human ear measured from uniaxial tensile, stress relaxation and failure tests. The hyperelastic Ogden model and digital image correlation method were employed to analyze experimental data. The constitutive equation of the tendon was derived through data iteration processes, and Young's modulus was presented as a function of stress. The viscoelastic property of the tendon was described by stress relaxation function and hysteresis. Furthermore, three-dimensional finite element analysis was carried out on five tendon models to investigate relationship between the structure and properties. The dimensions of the tendon were also measured by image processing techniques and presented with statistic significance. The structure and properties of the tensor tympani tendon reported in this study add new data into the study of ear tissue biomechanics. (C) 2007 IPEM. Published by Elsevier Ltd. All rights reserved.
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