Medical Engineering & Physics
Volume 30, Issue 3 , Pages 358-366, April 2008

Experimental measurement and modeling analysis on mechanical properties of tensor tympani tendon

  • Tao Cheng
    • ,
  • Rong Z. Gan

      Affiliations

    • Corresponding Author InformationCorresponding author at: Biomedical Engineering, School of Aerospace and Mechanical Engineering, University of Oklahoma, 865 Asp Avenue, Room 200, Norman, OK 73019, United States. Tel.: +1 405 325 1099; fax: +1 405 325 1088.

School of Aerospace and Mechanical Engineering, Bioengineering Center, University of Oklahoma, Norman, OK 73019, United States

Received 27 October 2006; received in revised form 5 April 2007; accepted 5 April 2007. published online 06 June 2007.

Abstract 

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.

Keywords: Tensor tympani tendon, Mechanical properties, Finite element modeling, Tissue biomechanics

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PII: S1350-4533(07)00066-5

doi:10.1016/j.medengphy.2007.04.005

Medical Engineering & Physics
Volume 30, Issue 3 , Pages 358-366, April 2008

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