Next Finite-Element Modelling of<br> Nonlinear Behaviour of the Middle Ear 1. Outline 2. Nonlinear behaviour of the middle ear 2. Nonlinear behaviour of the middle ear (cont'd) 2. Nonlinear behaviour of the middle ear (cont'd) 3.1 Stuhlman (1937) 3.2 Stuhmiller (1989) 3.3 Price & Kalb (1991) 3.4 Chen (1993) 3.5 Wada & Kobayashi (1990) 3.6 Pascal <em>et al.</em> (1998) 4.1 What? 4.2 Why? 4.3.1 Choice of element geometry 4.3.2.1 Type of problem 4.3.2.2 Assumptions about mechanical behaviour 4.3.2.3 Material laws 4.3.2.4 Methods for formulation 4.3.3 Mesh generation 4.3.4 Specification of material properties 4.3.5.1 Linear calculation of static responses 4.3.5.2 Natural frequencies and modes 4.3.5.3 Time-domain responses and frequency responses 4.3.6 Testing for convergence 5. Nonlinear finite-element modelling 5.1 Solution methods 5.1 Solution methods (cont'd) 5.2 Sources of nonlinearity 6. Nonlinear behaviour of tissues 30 of 41 6.1 Bone 6.2 Soft tissues 6.2.1 Hysteresis 6.2.2 Preconditioning 6.2.3 Rate dependence 6.2.4 Creep and relaxation 7. Example 7. Example (cont'd) 8.3 Free 9. Acknowledgements 10. References

6. Nonlinear behaviour of tissues (cont'd)

A typical experiment involves applying a strain at a constant rate and measuring the resulting force (Fung, 1993).

Even for nonlinear materials, behaviour is linear and reversible for small displacements.

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R. Funnell
Last modified: Sun, 2002 Jan 27 17:15:20
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