The anisotropic hyperelastic biomechanical response of the vocal ligament and implications for frequency regulation: A case study
The location and orientation of the vocal ligament section used in the microscopy. a-p is the anterior-posterior, m-l is the medial-lateral, and i-s is the inferior-superior direction, respectively.
Microscopy and digital image processing.
The biomechanical stretch and indentation experiments.
The anisotropy and tangent shear modulus predicted from the GOH model for three levels of fiber dispersion (κ = 0.01, κ = 0.1444, and κ = 0.3).
Euler–Bernoulli and Timoshenko beam model predictions of the natural frequencies for the GOH constitutive model and κ = 0.1444, with the pitch displayed on the secondary vertical axis.
Euler–Bernoulli and Timoshenko beam model predictions for the extreme cases of near perfectly aligned fibers (κ = 0.01) and near isotropy (κ = 0.3). (d) and (e) show the percent difference of the frequency predictions from the Euler–Bernoulli and Timoshenko beam models for κ = 0.01 and κ = 0.3, respectively.
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