| LEC # | ASSIGNMENTS |
|---|---|
| 1 | Introduction, overview of polymers (PDF) |
| 2 | Chemical composition |
| 3 | Structure |
| 4 | Elastic response (PDF) |
| 5 | Strain |
| 6 | Stress |
| 7 | Transformations of stress and strain (PDF) |
| 8 | Hookean elasticity (PDF) |
| 9 | Gaussian chain statistics |
| 10 | Rubber elasticity (PDF) |
| 11 | Elastomer mechanics (PDF) |
| 12 | Introduction to linear viscoelasticity (PDF) |
| 13 | Creep and stress relaxation |
| 14 | Quiz 1 |
| 15 | Dynamic response (PDF) |
| 16 | The Maxwell spring-dashpot model |
| 17 | Standard linear solid (PDF) |
| 18 | Wiechert solid, Boltzman superposition (PDF) |
| 19 | Effect of temperature (PDF) |
| 20 | Effect of temperature (cont.) (PDF) |
| 21 | Multiaxial stresses (PDF) |
| 22 | Stress analysis: Superposition |
| 23 | Stress analysis: Correspondence principle (PDF) |
| 24 | Composite materials, rule of mixtures (PDF) |
| 25 | Mechanics of composites (PDF) |
| 26 | Quiz 2 |
| 27 | Composite laminates: Anisotropy and transformations (PDF) |
| 28 | Laminates: Plate bending (PDF) Fortran code To run in MIT Server, type "add 3.11", then "plate" Download plate source code: vplate_3_91.f90 (F90) Download a PC executable: vplate2.exe (EXE) |
| 29 | Laminates: Temperature and viscoelastic effects Codes Source code for temperature-dependent laminate analysis: HOTPLATE.FOR (FOR) Hotplate PC executable: HOTPLATE.EXE (EXE) Source code for viscoelastic laminate analysis: plate07.f90 (F90) Vplate PC executable: plate07.exe (EXE) |
| 30 | Yield (PDF) |
| 31 | Yield: Multiaxial stresses |
| 32 | Yield: Effect of hydrostatic stress, crazing |
| 33 | Yield: Effect of rate and temperature (PDF) |
| 34 | Fracture: The Zhurkov model |
| 35 | Fracture: The Griffith model |
| 36 | Fracture: Crack-tip stresses, stress intensity factor |
| 37 | Quiz 3 |
| 38 | Fracture: Effect of specimen geometry |
| 39 | Fracture: J-integral and viscoelasticity |