Summary
This paper analyses the interaction between a vibrating circular membrane contained in an infinite baffle and the resulting sound field radiated into a fluid medium contained in the half-space above the membrane. The case of resonant excitation of the membrane leads to nonlinear coupling between transverse and in-plane displacement. Nonlinearity within the fluid medium is described by a recent general treatment of finite amplitude sound beams resulting from boundary motion. The vibratory response of the membrane is evaluated in a perturbation technique based on the modes of free vibration. The results give amplitude-frequency relations for the plate that account for the inertial and damping impedances of the fluid, as well as expressions that may be solved for the pressure signal in the fluid.
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References
Ginsberg, J. H.: Nonlinear King integral for arbitrary axisymmetric sound beams at finite amplitudes. II. Derivation of uniformly accurate results. J. Acoust. Soc. Am. 76 (1984) 1208–1214.
Chobotov, V. A. and Binder, R. C.: Nonlinear response of a circular membrane to sinusoidal excitation. J. Acoust. Soc. Am. 36 (1964) 59–73.
Bouwkamp, C. J.: A contribution to the theory of acoustic radiation. Phillips Research Reports 1 (1946) 251–277.
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© 1986 Springer, Berlin Heidelberg
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Ginsberg, J.H. (1986). Finite Amplitude Sound Beams Resulting from Nonlinear Vibration of a Circular Membrane Undergoing Axisymmetric Resonant Excitation. In: Comte-Bellot, G., Williams, J.E.F. (eds) Aero- and Hydro-Acoustics. IUTAM Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82758-7_30
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DOI: https://doi.org/10.1007/978-3-642-82758-7_30
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-82760-0
Online ISBN: 978-3-642-82758-7
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