Vibrational Modes of Partly Filled Wine Glasses
Date
2006
Authors
Jundt, Gregor
Radu, Adrian
Fort, Emmanuel
Duda, Jan
Vach, Holger
Fletcher, Neville H.
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Volume Title
Publisher
Acoustical Society of America
Abstract
Time-average holographic interferometry has been employed to study how the vibrational modes of a singing wine glass change when it is filled with a liquid. While the liquid clearly lowers the resonance frequencies, it does not change the vibrational mode structure in a first approximation. A more detailed analysis, however, reveals that the presence of the liquid causes the simultaneous excitation of two orthogonal modes that are well resolved for the empty glass.
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Keywords
Keywords: Approximation theory; Holographic interferometry; Natural frequencies; Vibrations (mechanical); Wine; Orthogonal modes; Time-average holographic interferometry; Vibrational modes; Glass; glass; article; holography; interferometry; liquid; priority journal
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Source
Journal of the Acoustical Society of America
Type
Journal article
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2037-12-31
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