Objectives: This class will introduce governing equations of linear elasticity and will focus on solutions of boundary value problems in two and three dimensions using several formulations and methods.
Topics: -Review of continuum mechanics and field equations (3 weeks): Strain, stress, strain compatibility, stress equilibrium, linear elasticity constitutive law, uniqueness of solution, boundary conditions.
-Two-dimensional elasticity (9 weeks):
* Plane strain, plane stress, Airy stress function method,
* Problems in Cartesian coordinates: rectangular beams, general solution,
* Problems in polar coordinates: circular hole problems, Michell general solution, contact problems
* Singular solutions: dislocations, cracks, Kelvin problem.
- Three-dimensional elasticity problem (2 weeks)
* Principle of virtual work
* Green function method,
* Galerkin vector and applications
Crosslisted with AE 6769.