|
Fundamentals of Vibration |
|
|
|
|
1 | (1) |
|
|
2 | (1) |
|
|
3 | (2) |
|
|
5 | (1) |
|
Complex Exponential Method of Solution |
|
|
5 | (3) |
|
|
8 | (3) |
|
|
11 | (2) |
|
Transient Response of an Oscillator |
|
|
13 | (1) |
|
|
14 | (1) |
|
|
15 | (2) |
|
Mechanical Resonance and Frequency |
|
|
17 | (2) |
|
Equivalent Electrical Circuits for Oscillators |
|
|
19 | (3) |
|
Linear Combinations of Simple Harmonic Vibrations |
|
|
22 | (2) |
|
Analysis of Complex Vibrations by Fourier's Theorem |
|
|
24 | (2) |
|
|
26 | (11) |
|
Transverse Motion: The Vibrating String |
|
|
|
Vibrations of Extended Systems |
|
|
37 | (1) |
|
Transverse Waves on a String |
|
|
37 | (1) |
|
The One-Dimensional Wave Equation |
|
|
38 | (1) |
|
General Solution of the Wave Equation |
|
|
39 | (1) |
|
Wave Nature of the General Solution |
|
|
40 | (1) |
|
Initial Values and Boundary Conditions |
|
|
41 | (1) |
|
|
41 | (1) |
|
Forced Vibration of an Infinite String |
|
|
42 | (4) |
|
Forced Vibration of a String of Finite Length |
|
|
46 | (6) |
|
|
46 | (3) |
|
The Forced, Mass-Loaded String |
|
|
49 | (2) |
|
The Forced, Resistance-Loaded String |
|
|
51 | (1) |
|
Normal Modes of the Fixed, Fixed String |
|
|
52 | (2) |
|
|
54 | (1) |
|
|
54 | (1) |
|
Effects of More Realistic Boundary Conditions on the Freely Vibrating String |
|
|
54 | (4) |
|
The Fixed, Mass-Loaded String |
|
|
55 | (1) |
|
The Fixed, Resistance-Loaded String |
|
|
56 | (1) |
|
The Fixed, Fixed Damped String |
|
|
57 | (1) |
|
Energy of Vibration of a String |
|
|
58 | (2) |
|
Normal Modes, Fourier's Theorem, and Orthogonality |
|
|
60 | (2) |
|
|
62 | (6) |
|
|
|
Longitudinal Vibrations of a Bar |
|
|
68 | (1) |
|
|
68 | (1) |
|
Longitudinal Wave Equation |
|
|
69 | (2) |
|
Simple Boundary Conditions |
|
|
71 | (2) |
|
The Free, Mass-Loaded Bar |
|
|
73 | (2) |
|
The Freely Vibrating Bar: General Boundary Conditions |
|
|
75 | (1) |
|
Forced Vibrations of a Bar: Resonance and Antiresonance Revisited |
|
|
76 | (2) |
|
Transverse Vibrations of a Bar |
|
|
78 | (2) |
|
|
80 | (2) |
|
|
82 | (1) |
|
|
82 | (1) |
|
|
82 | (1) |
|
|
82 | (1) |
|
|
83 | (1) |
|
|
84 | (2) |
|
|
86 | (5) |
|
The Two-Dimensional Wave Equation: Vibrations of Membranes and Plates |
|
|
|
Vibrations of a Plane Surface |
|
|
91 | (1) |
|
The Wave Equation for a Stretched Membrane |
|
|
91 | (2) |
|
Free Vibrations of a Rectangular Membrane with Fixed Rim |
|
|
93 | (2) |
|
Free Vibrations of a Circular Membrane with Fixed Rim |
|
|
95 | (3) |
|
Symmetric Vibrations of a Circular Membrane with Fixed Rim |
|
|
98 | (1) |
|
The Damped, Freely Vibrating Membrane |
|
|
99 | (1) |
|
|
100 | (2) |
|
Forced Vibration of a Membrane |
|
|
102 | (1) |
|
The Diaphragm of a Condenser Microphone |
|
|
103 | (1) |
|
Normal Modes of Membranes |
|
|
104 | (3) |
|
The Rectangular Membrane with Fixed Rim |
|
|
105 | (1) |
|
The Circular Membrane with Fixed Rim |
|
|
106 | (1) |
|
|
107 | (6) |
|
The Acoustic Wave Equation and Simple Solutions |
|
|
|
|
113 | (1) |
|
|
114 | (2) |
|
The Equation of Continuity |
|
|
116 | (1) |
|
The Simple Force Equation: Euler's Equation |
|
|
117 | (2) |
|
|
119 | (1) |
|
|
120 | (1) |
|
|
121 | (3) |
|
|
124 | (1) |
|
|
125 | (1) |
|
Specific Acoustic Impedance |
|
|
126 | (1) |
|
|
127 | (3) |
|
|
130 | (3) |
|
|
133 | (2) |
|
|
135 | (5) |
|
The Eikonal and Transport Equations |
|
|
135 | (2) |
|
The Equations for the Ray Path |
|
|
137 | (1) |
|
The One-Dimensional Gradient |
|
|
138 | (1) |
|
Phase and Intensity Considerations |
|
|
139 | (1) |
|
The Inhomogeneous Wave Equation |
|
|
140 | (2) |
|
|
142 | (7) |
|
Reflection and Transmission |
|
|
|
|
149 | (1) |
|
Transmission from One Fluid to Another: Normal Incidence |
|
|
150 | (2) |
|
Transmission Through a Fluid Layer: Normal Incidence |
|
|
152 | (3) |
|
Transmission from One Fluid to Another: Oblique Incidence |
|
|
155 | (5) |
|
Normal Specific Acoustic Impedance |
|
|
160 | (1) |
|
Reflection from the Surface of a Solid |
|
|
160 | (2) |
|
|
161 | (1) |
|
|
161 | (1) |
|
Transmission Through a Thin Partition: The Mass Law |
|
|
162 | (1) |
|
|
163 | (8) |
|
|
163 | (2) |
|
Pressure Release Boundary |
|
|
165 | (1) |
|
|
165 | (6) |
|
Radiation and Reception of Acoustic Waves |
|
|
|
Radiation from a Pulsating Sphere |
|
|
171 | (1) |
|
Acoustic Reciprocity and the Simple Source |
|
|
172 | (4) |
|
The Continuous Line Source |
|
|
176 | (3) |
|
Radiation from a Plane Circular Piston |
|
|
179 | (5) |
|
|
179 | (2) |
|
|
181 | (3) |
|
|
184 | (4) |
|
|
185 | (2) |
|
|
187 | (1) |
|
Fundamental Properties of Transducers |
|
|
188 | (5) |
|
Directional Factor and Beam Pattern |
|
|
188 | (1) |
|
|
188 | (1) |
|
|
188 | (1) |
|
|
189 | (1) |
|
|
190 | (1) |
|
Estimates of Radiation Patterns |
|
|
191 | (2) |
|
Directional Factors of Reversible Transducers |
|
|
193 | (2) |
|
|
195 | (4) |
|
|
199 | (1) |
|
The Far Field Multipole Expansion |
|
|
199 | (4) |
|
Beam Patterns and the Spatial Fourier Transform |
|
|
203 | (7) |
|
Absorption and Attenuation of Sound |
|
|
|
|
210 | (1) |
|
Absorption from Viscosity |
|
|
211 | (2) |
|
Complex Sound Speed and Absorption |
|
|
213 | (2) |
|
Absorption from Thermal Conduction |
|
|
215 | (2) |
|
The Classical Absorption Coefficient |
|
|
217 | (1) |
|
Molecular Thermal Relaxation |
|
|
218 | (6) |
|
|
224 | (4) |
|
Viscous Losses at a Rigid Wall |
|
|
228 | (2) |
|
|
230 | (4) |
|
|
230 | (2) |
|
|
232 | (1) |
|
The Combined Absorption Coefficient |
|
|
233 | (1) |
|
Attenuation in Suspensions |
|
|
234 | (12) |
|
|
235 | (3) |
|
Resonant Bubbles in Water |
|
|
238 | (8) |
|
|
|
|
246 | (1) |
|
|
246 | (3) |
|
|
249 | (1) |
|
|
250 | (2) |
|
The Waveguide of Constant Cross Section |
|
|
252 | (4) |
|
Sources and Transients in Cavities and Waveguides |
|
|
256 | (3) |
|
|
259 | (2) |
|
|
261 | (1) |
|
|
261 | (11) |
|
Pipes, Resonators, and Filters |
|
|
|
|
272 | (1) |
|
|
272 | (3) |
|
Power Radiation from Open-Ended Pipes |
|
|
275 | (1) |
|
|
276 | (1) |
|
Absorption of Sound in Pipes |
|
|
277 | (3) |
|
Behavior of the Combined Driver--Pipe System |
|
|
280 | (3) |
|
The Long Wavelength Limit |
|
|
283 | (1) |
|
|
284 | (2) |
|
|
286 | (2) |
|
Lumped Acoustic Impedance |
|
|
287 | (1) |
|
Distributed Acoustic Impedance |
|
|
287 | (1) |
|
Reflection and Transmission of Waves in a Pipe |
|
|
288 | (3) |
|
|
291 | (11) |
|
|
291 | (2) |
|
|
293 | (2) |
|
|
295 | (7) |
|
Noise, Signal Detection, Hearing, And Speech |
|
|
|
|
302 | (1) |
|
Noise, Spectrum Level, and Band Level |
|
|
302 | (4) |
|
Combining Band Levels and Tones |
|
|
306 | (1) |
|
Detecting Signals in Noise |
|
|
307 | (3) |
|
|
310 | (2) |
|
|
311 | (1) |
|
|
311 | (1) |
|
|
312 | (3) |
|
Some Fundamental Properties of Hearing |
|
|
315 | (9) |
|
|
316 | (2) |
|
Equal Loudness Level Contours |
|
|
318 | (1) |
|
|
318 | (2) |
|
|
320 | (1) |
|
Beats, Combination Tones, and Aural Harmonics |
|
|
321 | (1) |
|
Consonance and the Restored Fundamental |
|
|
322 | (2) |
|
Loudness Level and Loudness |
|
|
324 | (2) |
|
|
326 | (1) |
|
|
327 | (6) |
|
|
|
|
333 | (1) |
|
A Simple Model for the Growth of Sound in a Room |
|
|
334 | (2) |
|
Reverberation Time---Sabine |
|
|
336 | (2) |
|
Reverberation Time---Eyring and Norris |
|
|
338 | (2) |
|
Sound Absorption Materials |
|
|
340 | (2) |
|
Measurement of the Acoustic Output of Sound Sources in Live Rooms |
|
|
342 | (1) |
|
Direct and Reverberant Sound |
|
|
342 | (1) |
|
Acoustic Factors in Architectural Design |
|
|
343 | (5) |
|
|
343 | (1) |
|
|
343 | (2) |
|
|
345 | (2) |
|
|
347 | (1) |
|
Diffusion, Blend, and Ensemble |
|
|
348 | (1) |
|
Standing Waves and Normal Modes in Enclosures |
|
|
348 | (11) |
|
The Rectangular Enclosure |
|
|
349 | (1) |
|
|
349 | (2) |
|
The Growth and Decay of Sound from a Source |
|
|
351 | (2) |
|
Frequency Distribution of Enclosure Resonances |
|
|
353 | (6) |
|
|
|
|
359 | (1) |
|
|
360 | (2) |
|
|
362 | (1) |
|
|
363 | (1) |
|
|
364 | (1) |
|
The Statistical Description of Community Noise |
|
|
365 | (4) |
|
Criteria for Community Noise |
|
|
369 | (2) |
|
|
371 | (2) |
|
|
373 | (1) |
|
Community Response to Noise |
|
|
374 | (1) |
|
Noise-Induced Hearing Loss |
|
|
375 | (3) |
|
Noise and Architectural Design |
|
|
378 | (1) |
|
Specification and Measurement of Sound Isolation |
|
|
379 | (3) |
|
|
382 | (1) |
|
|
382 | (8) |
|
|
383 | (2) |
|
|
385 | (2) |
|
|
387 | (1) |
|
|
387 | (3) |
|
|
|
|
390 | (1) |
|
The Transducer as an Electrical Network |
|
|
390 | (4) |
|
|
392 | (1) |
|
Antireciprocal Transducers |
|
|
393 | (1) |
|
Canonical Equations for Two Simple Transducers |
|
|
394 | (4) |
|
The Electrostatic Transducer (Reciprocal) |
|
|
394 | (2) |
|
The Moving-Coil Transducer (Antireciprocal) |
|
|
396 | (2) |
|
|
398 | (8) |
|
|
399 | (4) |
|
|
403 | (3) |
|
|
406 | (5) |
|
|
411 | (3) |
|
|
411 | (1) |
|
|
412 | (1) |
|
|
412 | (2) |
|
|
414 | (2) |
|
|
416 | (2) |
|
|
416 | (1) |
|
|
417 | (1) |
|
|
418 | (1) |
|
|
418 | (1) |
|
|
418 | (2) |
|
Moving-Coil Electrodynamic Microphone |
|
|
420 | (3) |
|
Pressure-Gradient Microphones |
|
|
423 | (2) |
|
|
425 | (3) |
|
|
425 | (1) |
|
The Piezoelectric Microphone |
|
|
426 | (1) |
|
|
427 | (1) |
|
|
428 | (7) |
|
|
|
|
435 | (1) |
|
Speed of Sound in Seawater |
|
|
435 | (1) |
|
|
436 | (2) |
|
|
438 | (2) |
|
|
440 | (4) |
|
The Deep Sound Channel and the Reliable Acoustic Path |
|
|
444 | (2) |
|
|
446 | (2) |
|
|
448 | (2) |
|
|
448 | (1) |
|
|
449 | (1) |
|
Noise and Bandwidth Considerations |
|
|
450 | (5) |
|
|
450 | (1) |
|
|
451 | (2) |
|
|
453 | (1) |
|
|
454 | (1) |
|
|
455 | (1) |
|
|
456 | (1) |
|
|
456 | (9) |
|
|
457 | (2) |
|
|
459 | (4) |
|
Detection Threshold for Reverberation-Limited Performance |
|
|
463 | (1) |
|
|
464 | (1) |
|
Isospeed Shallow-Water Channel |
|
|
465 | (3) |
|
|
467 | (1) |
|
|
467 | (1) |
|
|
467 | (1) |
|
Transmission Loss Models for Normal-Mode Propagation |
|
|
468 | (10) |
|
|
470 | (1) |
|
|
470 | (8) |
|
Selected Nonlinear Acoustic Effects |
|
|
|
|
478 | (1) |
|
A Nonlinear Acoustic Wave Equation |
|
|
478 | (2) |
|
Two Descriptive Parameters |
|
|
480 | (3) |
|
The Discontinuity Distance |
|
|
481 | (2) |
|
|
483 | (1) |
|
Solution by Perturbation Expansion |
|
|
483 | (1) |
|
|
484 | (4) |
|
Traveling Waves in an Infinite Half-Space |
|
|
484 | (1) |
|
Traveling Waves in a Pipe |
|
|
485 | (2) |
|
|
487 | (1) |
|
|
488 | (6) |
|
Shock Waves and Explosions |
|
|
|
|
494 | (6) |
|
The Rankine--Hugoniot Equations |
|
|
495 | (1) |
|
Stagnation and Critical Flow |
|
|
496 | (1) |
|
|
497 | (1) |
|
|
498 | (2) |
|
|
500 | (1) |
|
|
501 | (2) |
|
The Reference Chemical Explosion |
|
|
501 | (1) |
|
The Reference Nuclear Explosion |
|
|
502 | (1) |
|
|
503 | (1) |
|
Yield and the Surface Effect |
|
|
504 | (4) |
APPENDIXES |
|
|
A1 Conversion Factors and Physical Constants |
|
|
508 | (1) |
|
|
509 | (1) |
|
A3 Circular and Hyperbolic Functions |
|
|
510 | (1) |
|
A4 Some Mathematical Functions |
|
|
510 | (4) |
|
|
510 | (1) |
|
(b) Bessel Functions, Modified Bessel Functions, and Struve Functions |
|
|
511 | (2) |
|
(c) Spherical Bessel Functions |
|
|
513 | (1) |
|
|
513 | (1) |
|
A5 Bessel Functions: Tables, Graphs, Zeros, and Extrema |
|
|
514 | (5) |
|
(a) Table: Bessel and Modified Bessel Functions of the First Kind of Orders 0, 1, and 2 |
|
|
514 | (2) |
|
(b) Graphs: Bessel Functions of the First Kind of Orders 0, 1, 2, and 3 |
|
|
516 | (1) |
|
(c) Zeros: Bessel Functions of the First Kind, Jm(jmn)= 0 |
|
|
516 | (1) |
|
(d) Extrema: Bessel Functions of the First Kind, J'm(jmn)= 0 |
|
|
516 | (1) |
|
(e) Table: Spherical Bessel Functions of the First Kind of Orders 0, 1, and 2 |
|
|
517 | (1) |
|
(f) Graphs: Spherical Bessel Functions of the First Kind of Orders 0, 1, and 2 |
|
|
518 | (1) |
|
(g) Zeros: Spherical Bessel Functions of the First Kind, jm(ζmn) = 0 |
|
|
518 | (1) |
|
(h) Extrema: Spherical Bessel Functions of the First Kind, j'm(ζmn) = 0 |
|
|
518 | (1) |
|
A6 Table of Directivities and Impedance Functions for a Piston |
|
|
519 | (1) |
|
|
520 | (1) |
|
(a) Cartesian Coordinates |
|
|
520 | (1) |
|
(b) Cylindrical Coordinates |
|
|
520 | (1) |
|
(c) Spherical Coordinates |
|
|
521 | (1) |
|
A8 Gauss's Theorem and Green's Theorem |
|
|
521 | (1) |
|
(a) Gauss's Theorem in Two-and Three-Dimensional Coordinate Systems |
|
|
521 | (1) |
|
|
521 | (1) |
|
A9 A Little Thermodynamics and the Perfect Gas |
|
|
522 | (4) |
|
(a) Energy, Work, and the First Law |
|
|
522 | (1) |
|
(b) Enthalpy, Entropy, and the Second Law |
|
|
523 | (1) |
|
|
524 | (2) |
|
A10 Tables of Physical Properties of Matter |
|
|
526 | (3) |
|
|
526 | (1) |
|
|
527 | (1) |
|
|
528 | (1) |
|
A11 Elasticity and Viscosity |
|
|
529 | (4) |
|
|
529 | (2) |
|
|
531 | (2) |
|
|
533 | (1) |
Answers to Odd-Numbered Problems |
|
534 | (9) |
Index |
|
543 | |