Next 1.1 Electrical-mechanical-acoustical analogies 1.1 Electrical-mechanical-acoustical analogies (cont'd) 1.2 Middle-ear circuit models 1.2 Middle-ear circuit models (cont'd) 1.2 Middle-ear circuit models (cont'd) 1.3 Problems with lumped models 2. Finite-element method 2. Finite-element method (cont'd) 2. Finite-element method (cont'd) 3.1 Model parameters 3.1 Model parameters (cont'd) 3.2 Low-frequency simulation results 3.2 Low-frequency simulation results (cont'd) 3.2 Low-frequency simulation results (cont'd) 3.2 Low-frequency simulation results (cont'd) 3.3 Higher-frequency simulation results 3.3 Higher-frequency simulation results (cont'd) 3.3 Higher-frequency simulation results (cont'd) 3.3 Higher-frequency simulation results (cont'd) 3.4.1 Effects of parameter variations 3.4.1 Effects of parameter variations (cont'd) 3.4.1 Effects of parameter variations (cont'd) 3.4.1 Effects of parameter variations (cont'd) 3.4.1 Effects of parameter variations (cont'd) 3.4.2 Effects of asymmetry 3.4.2 Effects of asymmetry (cont'd) 3.4.2 Effects of asymmetry (cont'd) 3.4.2 Effects of asymmetry (cont'd) 3.4.2 Effects of asymmetry (cont'd) 3.4.2 Effects of asymmetry (cont'd) 3.4.2 Effects of asymmetry (cont'd) 3.4.3 Wave propagation 3.4.3 Wave propagation (cont'd) 3.4.3 Wave propagation (cont'd) 4. Modelling of ossicles and ligaments 4.1 Bending of manubrium 4.2 Incus/stapes coupling 4.2 Incus/stapes coupling (cont'd) 4.2 Incus/stapes coupling (cont'd) 4.2 Incus/stapes coupling (cont'd) 4.2 Incus/stapes coupling (cont'd) 4.2 Incus/stapes coupling (cont'd) 5. Non-linear viscoelasticity 44 of 48 5. Non-linear viscoelasticity (cont'd) 5. Non-linear viscoelasticity (cont'd) 5. Non-linear viscoelasticity (cont'd) 6. More realistic models

5. Non-linear viscoelasticity (cont'd)

Stress-strain curves

Ogden hyperelastic model fitted to loading curves. W = i = 1 N 2 μ i α i 2 ( λ 1 α i + λ 2 α i + λ 3 α i 3 )

Motallebzadeh et al. (2013)


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BMDE-501 Modelling middle-ear mechanics

R. Funnell
Last modified: 2020-11-11 12:41:17

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