EngrM 922 Theory of Elasticity I Fall 1997

 

SYLLABUS

 

1. Mathematical Preliminary

 

The Summation Conventions. Scalars and Vectors. Coordinate Rotations. Cartesian Tensors. Tensor Algebra. Scalar and Vector Fields. Orthogonal Curvilinear Coordinates. The Divergence Theorem.

 

2. Stresses

 

Body and Surface Forces. The Stress Tensors. Principal Axes and Stresses. Principal Shearing Stresses. Curvilinear Coordinates.

 

3. Deformation and Strain

 

Kinetics of Deformable Solids. Strain Tensors. Geometry of Deformation. Linear Strains. Compatibility of Linear Strain Field. Curvilinear Coordinates.

 

4. Equations of Linear Elasticity

 

Hooke's Law. Generalized Hooke's Law. Homogeneous Isotropic Median. Equations of Elasticity for an Isotropic, Linear Elastic Solid. Fundamental Boundary-value Problems of Elasticity. The Strain Energy Function. Uniqueness of Solution. Saint-Venant's Principle.

 

5. Solutions of Some Linear Elasticity Problems

Strain Potential. Applications to Hollow Cylinders and Spheres. Body Force and Rotating Disks. The Boussinesq-Pakovich-Neuber Solution. Isolated Force in an Infinite Medium. Isolated Force on a Plane Boundary,. Anti-plane Strain.

 

6. Two-Dimensional Elastostatic Proglems

 

Place Strain. Generalized Plane Stress. Airy Stress Function. Problems in Rectangular Coordinates. Polynomial Solutions and Applications. Problems in Polar Coordinates. Michell Solution. Wedge Problems. Flamant Solution. Applications.

 

7. Extension, Torsion and Flexure of Beams

 

Extension of Beams by Longitudinal Forces. Beam Stretched by its Owen Weight. Torsion of Prismatic Bars. Prandtl's Stress Function. Simple Solution of Torsion Problems. Torsion of Hollow Shafts. Torsion of Composite Shafts. Flexure of Beams by Terminal Loads. Center of Flexture.

 

Grading Policy

 

Midterm Exam 100 points

Final Exam 150

Homework 300

Total 550 points