Research Article
Analysis of the Mechanical Properties of the Human Tympanic Membrane and Its Influence on the Dynamic Behaviour of the Human Hearing System
Table 1
Mechanical properties used in middle ear components for finite element model.
| | Component | Density (kg/m3) | Young’s modulus (N/m2) | Poisson’s ratio |
| | Eardrum | | Pars tensa | 1.2 × 103 [9] | 3.2 × 107 [10] | 0.3 [13] | | Pars flaccida | 1.2 × 103 [9] | 1 × 107 [13] | 0.3 [13] | | Malleus | 1.9 × 103 [34] | 1.41 × 1010 [35] | 0.3 [13] | | Incus | 1.9 × 103 [34] | 1.41 × 1010 [35] | 0.3 [13] | | Stapes | 1.9 × 103 [34] | 1.41 × 1010 [35] | 0.3 [13] | | Tympanic annulus | 1.2 × 103 (assumed) | 6 × 105 [13] | 0.3 [13] | | Manubrium | 1.0 × 103 [12] | 4.7 × 109 [12] | 0.3 [13] | | Tensor tympanic tendon | 2.5 × 103 [12] | 2.6 × 106 [12] | 0.3 [13] | | Lateral malleolar ligament | 2.5 × 103 [12] | 6.7 × 104 [12] | 0.3 [13] | | Anterior malleolar ligament | 2.5 × 103 [12] | 2.1 × 106 [12] | 0.3 [13] | | Superior malleolar ligament | 2.5 × 103 [12] | 4.9 × 104 [12] | 0.3 [13] | | Posterior incudal ligament | 2.5 × 103 [12] | 6.5 × 106 [14] | 0.3 [13] | | Stapedial tendon | 2.5 × 103 [12] | 5.2 × 105 [12] | 0.3 [13] | | Stapedial annular ligament | 2.5 × 103 [12] | 2 × 105 [15] | 0.3 [13] | | Incudomalleolar joint | 3.2 × 103 [13] | 1.41 × 1010 [13] | 0.3 [13] | | Incudostapedial joint | 1.2 × 103 [13] | 6 × 105 [36] | 0.3 [13] |
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