Skip to main content

Table 1 Mechanical properties used in middle ear components for FEM

From: Analysis of the mechano-acoustic influence of the tympanic cavity in the auditory system

Component

Density

(kg/m3)

Young’s modulus

(N/m2)

Poisson’s ratio

Eardrum

 Pars tensa

1.2 × 103a

3.2 × 107i

0.3d

 Pars flaccida

1.2 × 103a

1 × 107c

0.3d

 Malleus

1.9 × 103b

1.41 × 1010e

0.3d

 Incus

1.9 × 103b

1.41 × 1010e

0.3d

 Stapes

1.9 × 103b

1.41 × 1010e

0.3d

 Tympanic annulus

1.2 × 103(supposed)

6 × 105d

0.3d

 Manubrium

1.0 × 103c

4.7 × 109c

0.3d

 Tensor tympanic tendon

2.5 × 103c

2.6 × 106c

0.3d

 Lateral mallear ligament

2.5 × 103c

6.7 × 104d

0.3d

 Anterior mallear ligament

2.5 × 103c

2.1 × 106d

0.3d

 Superior mallear ligament

2.5 × 103c

4.9 × 104d

0.3d

 Incudal ligament

2.5 × 103c

6.5 × 105h

0.3d

 Stapedial tendon

2.5 × 103c

5.2 × 105c

0.3d

 Stapedial annular ligament

2.5 × 103c

2 × 105f

0.3d

 Incudomallear joint

3.2 × 103d

1.41 × 1010d

0.3d

 Incudostapedial joint

1.2 × 103d

6 × 105g

0.3d

  1. aWilliamns and Lesser [33]
  2. bWeistenhöfer and Hudde [17]
  3. cKoike et al. [1]
  4. dSun et al. [34]
  5. eSpeirs et al. [35]
  6. fGan et al. [5]
  7. gPrendergast et al. [36]
  8. hGan et al. [6]
  9. iWada and Kobayashi [37]