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Principles of Vibration and Sound - Thomas D. Rossing

Principles of Vibration and Sound

Paperback ISBN: 9780387943367
Number Of Pages: 247

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This book discusses the physics of vibrating systems, emphasizing mechanics rather than electrodynamics. Beginning with the basics of free and forced motions of a simple harmonic oscillator (both mechanical and electrical) it goes on to discuss vibrations in one-dimensional systems, such as strings and bars, and two-dimensional systems such as membranes and plates. The discussion of coupled systems includes strong as well as weak coupling, and presents both mechanical and electrical examples. The analysis includes nonlinear systems, dispersion, and other topics. The concluding third of the book discusses the propagation of sound in air; the radiation from various sources (points, planes, lines, baffled planes, and so forth); and the propagation of sound in various kinds and shapes of pipes.

I Vibrating Systems.- 1 Free and Forced Vibrations of Simple Systems.- 1.1. Simple Harmonic Motion in One Dimension.- 1.2. Complex Amplitudes.- 1.3. Superposition of Two Harmonic Motions in One Dimension.- 1.4. Energy.- 1.5. Damped Oscillations.- 1.6. Other Simple Vibrating Systems.- 1.7. Forced Oscillations.- 1.8. Transient Response of an Oscillator.- 1.9. Two-Dimensional Harmonic Oscillator.- 1.10. Graphical Representations of Vibrations: Lissajous Figures.- 1.11. Normal Modes of Two-Mass Systems.- 1.12. Nonlinear Vibrations of a Simple System.- A.1. Alternative Ways of Expressing Harmonic Motion.- A.2. Equivalent Electrical Circuit for a Simple Oscillator.- References.- 2 Continuous Systems in One Dimension: Strings and Bars.- 2.1. Linear Array of Oscillators.- 2.2. Transverse Wave Equation for a String.- 2.3. General Solution of the Wave Equation: Traveling Waves.- 2.4. Reflection at Fixed and Free Ends.- 2.5. Simple Harmonic Solutions to the Wave Equation.- 2.6. Standing Waves.- 2.7. Energy of a Vibrating String.- 2.8. Plucked String: Time and Frequency Analyses.- 2.9. Struck String.- 2.10. Bowed String.- 2.11. Driven String Impedance.- 2.12. Motion of the End Supports.- 2.13. Damping.- 2.14. Longitudinal Vibrations of a String or Thin Bar.- 2.15. Bending Waves in a Bar.- 2.16. Bars with Fixed and Free Ends.- 2.17. Vibrations of Thick Bars: Rotary Inertia and Shear Deformation.- 2.18. Vibrations of a Stiff String.- 2.19. Dispersion in Stiff and Loaded Strings: Cutoff Frequency.- 2.20. Torsional Vibrations of a Bar.- References.- 3 Two-Dimensional Systems: Membranes and Plates.- 3.1. Wave Equation for a Rectangular Membrane.- 3.2. Square Membranes: Degeneracy.- 3.3. Circular Membranes.- 3.4. Real Membranes: Stiffness and Air Loading.- 3.5. Waves in a Thin Plate.- 3.6. Circular Plates.- 3.7. Elliptical Plates.- 3.8. Rectangular Plates.- 3.9. Square Plates.- 3.10. Square and Rectangular Plates with Clamped Edges.- 3.11. Rectangular Wood Plates.- 3.12. Bending Stiffness in a Membrane.- 3.13. Shallow Spherical Shells.- 3.14. Nonlinear Vibrations in Plates and Shallow Shells.- 3.15. Driving Point Impedance.- References.- 4 Coupled Vibrating Systems.- 4.1. Coupling Between Two Identical Vibrators.- 4.2. Normal Modes.- 4.3. Weak and Strong Coupling.- 4.4. Forced Vibrations.- 4.5. Coupled Electrical Circuits.- 4.6. Forced Vibration of a Two-Mass System.- 4.7. Systems with Many Masses.- 4.8. Graphical Representation of Frequency Response Functions.- 4.9. Vibrating String Coupled to a Soundboard.- 4.10. Two Strings Coupled by a Bridge.- A.1. Structural Dynamics and Frequency Response Functions.- A.2. Modal Analysis.- A.3. Finite Element Analysis.- References.- 5 Nonlinear Systems.- 5.1. A General Method of Solution.- 5.2. Illustrative Examples.- 5.3. The Self-Excited Oscillator.- 5.4. Multimode Systems.- 5.5. Mode Locking in Self-Excited Systems.- References.- II Sound Waves.- 6 Sound Waves in Air.- 6.1. Plane Waves.- 6.2. Spherical Waves.- 6.3. Sound Pressure Level and Intensity.- 6.4. Reflection and Transmission.- 6.5. Absorption.- 6.6. Normal Modes in Cavities.- References.- 7 Sound Radiation.- 7.1. Simple Multipole Sources.- 7.2. Pairs of Point Sources.- 7.3. Arrays of Point Sources.- 7.4. Radiation from a Spherical Source.- 7.5. Line Sources.- 7.6. Radiation from a Plane Source in a Baffle.- 7.7. Unbaffled Radiators.- 7.8. Radiation from Large Plates.- References.- 8 Pipes and Horns.- 8.1. Infinite Cylindrical Pipes.- 8.2. Wall Losses.- 8.3. Finite Cylindrical Pipes.- 8.4. Radiation from a Pipe.- 8.5. Impedance Curves.- 8.6. Horns.- 8.7. Finite Conical and Exponential Horns.- 8.8. Bessel Horns.- 8.9. Compound Horns.- 8.10. Perturbations.- 8.11. Numerical Calculations.- 8.12. The Time Domain.- References.- 9 Acoustic Systems.- 9.1. Low-Frequency Components and Systems.- 9.2. High-Frequency Components and Systems.- 9.3. Finite Horns.- 9.4. Coupled Mechanical Components.- 9.5. Multi-Port Systems.- 9.6. Conclusion.- References.- Selected Bibliography.- Problems.- Answers to Selected Problems.- Name Index.

ISBN: 9780387943367
ISBN-10: 0387943366
Audience: General
Format: Paperback
Language: English
Number Of Pages: 247
Publisher: Springer-Verlag New York Inc.
Country of Publication: US
Dimensions (cm): 23.47 x 15.52  x 1.35
Weight (kg): 0.37

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