Abstract
The equation of motion for a mechanical system comprised of a mass at the end of a string and vibrating in a viscous medium is compared to the analogous equation for an electrical system consisting of an R-L-C circuit. The distinction between natural and driven dynamics is carefully drawn. For natural motion the initial value problem is solved for the case of negligible viscous damping, negligible electrical resistance. The resonance phenomenon is brought out fully in connection with the analysis of forced motion, and the characteristics of resonance are related to those of natural motion, attention being drawn to the quality factor Q. A subsequent section is then devoted to an explanation of the operation of oscillators in general, and extended to a description of an actual pendulum clock. In the problems we treat natural motion for nonnegligible damping, and also introduce the Green’s function method of finding forced motion solutions.
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Further Reading
R. Resnick and D. Halliday: Physics, Vols. I and II (Wiley, New York 1977) An introduction to harmonic oscillators is given in these volumes.
I.G. Main: Vibrations and Waves in Physics (Cambridge University Press, Cambridge 1978) A thorough treatment of all degrees of oscillator damping is found here.
P.R. Wallace: Mathematical Analysis of Physical Problems (Dover, New York 1984) A full treatment of the oscillator in the content of Fourier analysis can be found in this text.
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© 1995 Springer-Verlag Berlin Heidelberg
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Nettel, S. (1995). Oscillations of Mechanical and Electrical Systems. In: Wave Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-10870-3_2
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DOI: https://doi.org/10.1007/978-3-662-10870-3_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-58504-6
Online ISBN: 978-3-662-10870-3
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