CH5130 : Rheology of Complex Materials copy 1

1. Introduction to complex material systems (a) Macromolecular systems: synthetic polymers, biological macromolecules (b) Multiphase systems: colloids, dispersions, emulsions 2. Review of fluid mechanics: stress, strain, velocity gradient, strain rate, Shear and extensional flows, Newtonian viscous fluids, viscometry, rheometry 3. Simplisitic models: Viscous models, Maxwell model 4. Creep, stress relaxation, oscillatory (dynamic) testing, material functions 5. Modeling of rheological behaviour (a) Continuum models: Governing equations, Constitutive relations i. Generalized Newtonian Fluids, Linear Viscoelastic materials, Superposition principle, Relaxation time spectra, time temperature equivalence, Convected derivatives, Models for slow flows, Differential models, integral models (b) Molecular models i. Microscopic origin of stress, Elastic dumbbell model, reptation, Overview of other models: Rouse, Zimm, DoiEdwards models