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 8 of 48 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 5. Non-linear viscoelasticity (cont'd) 5. Non-linear viscoelasticity (cont'd) 5. Non-linear viscoelasticity (cont'd) 5. Non-linear viscoelasticity (cont'd) 6. More realistic models

2. Finite-element method (cont'd)

Eardrum mesh

The division into elements may partly correspond to natural subdivisions of the structure.

For example, the eardrum may be divided into groups of elements corresponding to different material properties.


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BMDE-501 Modelling middle-ear mechanics

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

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