This course was originally offered in Course 13 (Department of Ocean Engineering) as 13.853. In 2005, ocean engineering subjects became part of Course 2 (Department of Mechanical Engineering), and this course was renumbered 2.068.
Course Meeting Times
Lectures: Two sessions / week, 1.5 hours / session
Textbook
Jensen, Finn B., William A. Kuperman, Michael B. Porter, and Henrik Schmidt. Computational Ocean Acoustics. College Park, Maryland: American Institute of Physics, 1994. ISBN: 1563962098.
Lec # | TOPIC |
---|---|
1 | Introduction |
2 | The Acoustic Wave Equation. Integral Transforms. The Helmholtz Equation. PS1 out. |
3 | Sources in Unbounded and Bounded Media. Green's Functions. Green's Theorem. |
4 | Reflection and Transmission. Integral Transform Solution. Source in Half-spaces. |
5 | Ideal Waveguides. The Pekeris Waveguide. |
6 | Wavenumber Integration Layer Solutions and Interface Conditions. PS1 due. PS2 out. |
7 | Wavenumber Integration Global Matrix Solution. |
8 | Wavenumber Integration Propagator Matrix and Invariant Embedding Solution. |
9 | Wavenumber Integration Numerical Evaluation of Wavenumber Integral. Aliasing and Wrap-around. |
10 | Wavenumber Integration Numerical Methods Used in Wavenumber Integration. PS2 due. PS3 out. |
11 | Normal Modes Mathematical Derivation. Model Expansion of the Green's Function. |
12 | Normal Modes Isovelocity Problem. Generalized Derivation. |
13 | Normal Modes Munk Profile. Numerical Approaches. PS3 due. PS4 out. |
14 | Normal Modes Numerical Approaches (cont.). |
15 | Normal Modes Numerical Procedures. |
16 | Normal Modes Range-dependent Environment. Coupled Modes. |
17 | Normal Modes 3-D Environment. PS4 due. PS5 out. |
18 | Parabolic Equation Derivation of Parabolic Equations. |
19 | Parabolic Equation Starting Fields. |
20 | Parabolic Equation Energy Conservation Problem. Solutions by FDs FEs. PS5 due. PS6 out. |
21 | Doppler Shift in Waveguide. |
22 | Time Series Simulation. Signal and Noise. |
No Lec.: PS6 due. |
Assignments and Quizzes
- Homework assignments every 1-2 weeks, involving solution of theoritical problems, development of propagation codes in MATLAB?, and physical interpretation of numerical results. (60% of grade)
- One take-home exam to be scheduled late November. (40% of grade)
- No final.
Written Material
- Jensen, Kuperman, Porter, and Schmidt. Computational Ocean Acoustics.
- OASES Application and upgrade Notes.
- Class notes.