16.230 Plates and Shells
13.111 Structural Mechanics

Schedule and Syllabus - Spring 1998

Lec Date Day Section Lecture Topic Handout Due
1 FEB 3 T Theory of Plates Assumptions, Basic Eqs.
2 5 R Eqs. and BCs, Reduction of Equations PS0
3 10 T Simple Solutions (Navier and Levy)
4 12 R Simple Solutions II PS1 PS0
V 17 T MONDAY SCHEDULE
5 19 R Circular Plates PS2 PS1
6 24 T Composite Plates Shear Effects, Intro. Aniso Plates
7 26 R Specially Orthotropic Plates PS3 PS2
8 Mar 3 T Composites, Composite Plate Eqs.
9 5 R Navier Solutions, Energy Methods PS4 PS3
10 10 T Membrane Shell Theory Eqs and BCs, Spherical Shells
11 12 R Displacement Form, Edge Effects PS5 PS4
12 17 T Stresses, Non-sym Loads, Displacements
Q 19 R QUIZ I PS5
V 24 T SPRING
V 26 R BREAK
13 31 T Plate Buckling Concept of elastic stability. Energy vs. adjacent equilibrium method. Trafftz criterion.
14 Apr 2 R Buckling analysis of plates. Effect of aspect ratio and boundary conditions. PS6
15 7 T Buckling of sections. Cold-form profiles. Stiffeners and stringers.
16 9 R Ultimate Strength of Plates Von Karman effective width theory, experimental verification. PS7 PS6
17 14 T Thick plates, plastic buckling, Stowell theory. Ultimate Strength of box sections.
18 16 R Buckling of Cylindrical Shells Derivation of Donnells equations. Special cases PS8 PS7
V 21 T PATRIOTS DAY
19 23 R Bending vs. membrane effects. Effects of edges and localized loads. PS9 PS8
20 28 T Stability of cylindrical shells. Typical loading cases. Non-uniqueness of buckling modes.
21 30 R Buckling of imperfect shells. Comparison with experiments. Knock-down factor. Design formulas. PS10 PS9
22 May 5 T Advanced Topics Failure and post-failure of cylinders
23 7 R Crush behavior and energy absorption of tubes PS10
24 12 T Crashworthiness of land, aerospace, and sea vehicles
Q 14 R QUIZ II

This Class has NO FINAL