Next 1 of 36 1.2 Middle-ear circuit models 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) 3.3 Higher-frequency simulation results 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) 3.4.2 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) 3.4.3 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) 4.3 More complete model 4.3 More complete model (cont'd)

Middle-ear models


1. Circuit models

1.1 Electrical-mechanical-acoustical analogies

Electrical Mechanical Acoustical
voltage force pressure
current velocity vol. velocity
resistor dashpot mesh
inductor mass tube
capacitor spring volume

Equations have same form.

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BMDE-501 Modelling middle-ear mechanics

R. Funnell
Last modified: 2011-02-05 16:19:24

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