13.811 is split into two segments: structural dynamics for the first half of the semester and acoustics for the second half.  NOTE: Only the acoustics component is available on this site. The structural dynamics component has not yet been incorporated into OCW.
 
| | Structural Dynamics |  | 1-13 | Structural Dynamics |  |  | Acoustics |  | 14 | Introduction 
 The Acoustic Wave Equation
 |  |  | 15 | Helmholtz Equation 
 Plane Waves
 
 Wavenumber Representation
 |  |  | 16 | Radiation from Infinite Plate 
 2-d Wavenumber Space
 
 Spherical Waves from Point Source
 |  |  | 17 | Directivity Function 
 Radiation from Baffled Rectangular Piston
 |  |  | 18 | Radiation from Planar Sources |  |  | 19 | Radiation from Elastic Plates | Problem set 1 due |  | 20 | Quiz |  |  | 21 | Spherical Waves 
 Spherical Harmonics
 |  |  | 22 | Spherical Multipole Radiation | Problem set 2 due |  | 23 | Scattering from Spheres |  |  | 24 | Cylindrical Waves | Problem set 3 due |  | 25 | Helical Waves |  |  | 26 | Radiation from Cylinders | Problem set 4 due | 
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