ME413/513 Lecture Topics and Notes
Last Updated May 8 2006
The notes contained in this page correspond to the delivery of ME413/513 during
Spring Semester 2006. The content of ME413/513 changes slightly from semester
to semester. Lecture notes from previous semesters
[
Spring 02
|
Spring 04
]. An advanced topics version of ME413/513 was offered Spring 05, the lecture
notes for this course can be found
here.
Introduction (HW#1,2 Coverage)
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Session 1: Introduction, Complex Numbers
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Session 2: Using Complex Numbers to Solve Differential Equations
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Session 3: Electric Circuits, Electrical Impedance and Electromechanical Analogies
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Session 4: Power Dissipation in Mechanical and Electrical Circuits
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Session 5: Frequency Response of a Second Order Oscillator
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Session 6: Electromagnetic Loudspeaker Driver,
Specifications for 4.5" Full Range Driver
Fundamentals of Acoustics in Fluids (HW#3 Coverage)
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Session 7: Acoustics Variables
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Session 8: Derivation of the Wave Equation
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Session 9: D'Almberts Plane Wave Solution
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Session 10: Harmonic Plane Waves, Wavelength
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Session 11: Acoustic Particle Velocity, Displacement, and Acoustic Density
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Session 12: Decibel Scales, Specific Acoustic Impedance and Acoustic Intensity
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Session 13: Acoustic Power, Spherical Waves
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Session 14: Spherical Waves- Acoustic Pressure, Velocity, Displacement, Intensity
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Session 18: Review for Exam I
Reflection and Transmission at an Interface (HW#5 Coverage)
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Session 15:Reflection/Transmission from a Fluid Boundary at Normal Incidence
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Session 16: Reflection/Transmission from a Fluid Layer at Normal Incidence
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Session 17: Reflection/Transmission from a Fluid Layer, Design Strategies,
Transmission at Normal Incidence
Sources of Sound (HW#6 Coverage)
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Session 19: Monopoles and Source Strength
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Session 20: Simple Sources and Dipoles
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Session 21: Method of Images
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Session 22: Plane Piston, Near and Far Field
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Session 23: Plane Piston, Far-Field Directivity,
BeamPatternV11.mcd,
BeamPatternV11.pdf.
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Session 24: Plane Piston, Radiation Impedance.
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Session 25: Plane Piston, Example Problems, Low- and High-Frequency Asymptotes,
RadImpFunctions.pdf,
RadImpFunctionsV2001.mcd.
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Session 29: Review for Exam II
Pipes and Helmholtz Resonators (HW#7, Project Coverage)
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Session 26: Rigidly Terminated Pipe,
PipesAndMufflers.pdf,
PipesAndMufflersV2001.mcd.
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Session 27: Acoustic Impedance, Area Change and Boundary Conditions.
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Session 28: Impedance Transfer Formula, Low-Pass Acoustic Filter.
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Session 30: Radiation from an Open Pipe, Low-Pass with Open Pipe Termination Impedance.
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Session 31: Branch Impedance, Notch Filter.
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Session 32: Helmholtz Resonators.
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Session 33: Filter Applications of Helmholtz Resonators.
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Session 34: Applications of Helmholtz Resonators, Sealed Cabinet Design.
Note: In slide 34/6, the jw numerator in the acoustic pressure should be (jw)^2.
drivers.xls.
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Session 35: Applications of Helmholtz Resonators, Vented Cabinet Design,
Notes on Design of Vented Cabinets.
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Session 36: Vented Cabinet Design Continued.
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Session 37: Review for Exam III
Sound Measurement and Weighting Scales (HW#4 Coverage)
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Session 38: Physics of Sound Measurement, Technology,
Cal Chart for BK4133 Mic,
Cal Chart for BK4134 Mic,
Cal Chart for BK4138 Mic,
Cal Chart for ACO7016 Mic,
Free-Field Correction Factors.
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Session 39: ME513 Project Supplement- Computation of Dipole Moment,
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Session 39a: Microphone Calculation Examples, Free-Field Correction Factor,
Microphone Calculation Examples.
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Session 40: Weighting Scales.