543M5140 Fracture Mechanics
Credits: 3

Outline:
I. Introduction (1 week)

II. Linear Elastic Fracture Mechanics (8 week)
1. Crack tip field
2. Stress intensity factor (S.I.F.)
a. Complex variable method in 2-D elastic problem
b. Bareblatt`s theory
c. Weight function method
3. Energy release rate
a. J-integral
b. Path-independent integral for mixed mode S.I.F.
c. M-integral

III. Inelastic Fracture Mechanics (4 week)
1. Crack tip field
a. Crack tip field
b. Dugdale`s model
c. Crack opening displacement (C.O.D.)
2. Small scale yielding
3. Extension of crack
a. Critical strain criterion
b. R-curve analysis
c. HRR field

IV. Special Topics (2 week)


Reference:
1. D. Broek, The Practical Use of Fracture Mechanics, Kluwer, 1988.
2. H. L. Ewalds and R. T. H. Wanhill, Fracture Mechanics, 1984.
3. H. Liebowitz (ed.), Treatise on Fracture, vol.II, 1968.
4. M. F. Kanninen and C. H. Popelar, Advanced Fracture Mechanics, 1985.

Grading policy: Homework 30%, midterm 35%, final report 35%