Syllabus and Lecture Notes
1. Introduction
2. Mathematical Preliminaries: Vectors and Tensors
- Vectors: (self-study review);
- Index notation (self study)
- Tensors and tensor operations
- Vector and tensor operations in polar coordinates
3. Kinematics – mathematical description of motion and deformation
- The continuum; Inertial reference frames; the reference configuration and current configuration of a deformed solid
- The displacement and velocity field, examples of deformations and motions, Eulerian and Lagrangian descriptions of motion
- The deformation gradient tensor; deformation of line, volume and area elements
- Strain tensors – Lagrange strain and Eulerian strain, Cauchy Green strain, infinitesimal strains, compatibility.
- Polar decomposition of the deformation gradient; rotation tensor; left and right stretch tensors
- Principal stretches and strains
- Time derivatives of motion: the velocity gradient, stretch rate, spin and vorticity.
- Spatial description of acceleration
- Reynolds transport relation
- Circulation-vorticity relations
4. Kinetics – mathematical description of internal forces
- External loading – surface tractions, body forces
- Internal forces – Cauchy Stress
- Principal stresses, stress invariants
- Stresses near a surface
- Piola-Kirchhoff stresses (Nominal and material stress)
5. Field Equations and Conservation Laws
- Mass Conservation
- Linear and angular momentum; static equilibrium
- Work done by stresses
- The principle of virtual work
- The first and second laws of thermodynamics for continua
- Conservation laws for a control volume
- Transformation of field quantities under changes of reference frame
6. Constitutive models – general considerations
- Thermodynamics – the dissipation inequality
- Frame indifference
7. Mechanics of elastic and compressible, viscous fluids
- Summary of field equations
- Constitutive models for fluids
- Solutions to simple problems
8. Mechanics of elastic solids
- Field equations
- Constitutive models for hyperelastic materials
- Solutions to simple boundary value problems for hyperelastic materials
- Linearized field equations, and examples of linear elastic solutions
Summary slides (ppt)
Final Review Slides (ppt)