2.082 | Spring 2003 | Graduate

# Ship Structural Analysis & Design (13.122)

## Lecture Notes

Unit # Notes
1 Shear and Bending

• Lecture 1: Shear and Bending (PDF)
• Lecture 2: Balance (PDF)
2 Characteristics of Thin Walled Sections

• Lecture 3: Bending Without Twist (PDF)

• Lecture 4: Pure Twist Open Section (PDF)

• Lecture 5: Pure Twist Closed Section (PDF)

• Lecture 6: Pure and Warping Torsion (PDF)

• Lecture 7: Calculation Of Section Properties - Open (PDF)
[This consists of four parts (and how we will treat each) (suggest printing at most pages 1-9)

A - derivation of geometric algorithms for section properties (cover quickly for sense of approach)
B - derivation of first moment approach (for info - not covered)
C - computational routine resulting from A (demo a few examples - routine available in lab)
D - computational routine resulting from B (routine available in lab)]

• Lecture 7a: Calculation of Section Properties Closed (PDF)

• Lecture 8: Shear Center - Closed Section (PDF)
Includes example problem.

• Lecture 8a: Shear Stress Multicell Section (PDF)
Example problem separate.

• Lecture 8b: St. Venant Torsion Multi-cell (PDF)

• Lecture 9a: Composite Sections (PDF)
One of three minor topics.

• Lecture 9b: Shear Lag (PDF)
Second of three minor topics.

• Lecture 9c: Yield Criteria (PDF)

3 Design Approach and Failure Analysis

• Design Philosophy and Approach (PDF)
• Loads and Design Approach continued (PDF)
4 Plate Bending

• Plate Bending Introduction (PDF)
• Plate Bending (PDF)
• Plate Bending Solution (PDF)
5 Panel, Girder, Frame Bending Failure Analysis

• Panel, Girder and Frame Limit States (PDF)
6 Buckling and Ultimate Strength of Columns

• Buckling (PDF)
Overview of column buckling leading to CCB and GCCP failure criteria.
7 Buckling and Ultimate Strength of Plates

• Plate Buckling (PDF)
PFLB.
8 Buckling of Stiffened Panels

• Buckling of Stiffened Panels (PDF)
PCCB and PCSB.
9 Ultimate Strength of Stiffened Panels

• Ultimate Strength of Stiffened Panels (PDF)
PCSF Modes I, II, III.
10 Matrix, Grillage and FEM Analysis

• Intro to Matrix Analysis (PDF)
[Summary of Chapter 1 from Zienkiewicz – The Finite Element Method, any of five editions.]
• Matrix Analysis continued (PDF)
[Section 5.2 of Hughes.]
• Pin-jointed Beam Example (PDF)
[Example from Hughes page 191 ff.]
• Flexure Only Beam - General Method (PDF)
[Section 5.3 of Hughes.]
• Grillage Introduction Degrees of Freedom (PDF)

Spring 2003
Lecture Notes