Vibrational Modes of Partly Filled Wine Glasses
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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|Source:||Journal of the Acoustical Society of America|
|01_Jundt_Vibrational_Modes_of_Partly_2006.pdf||130.82 kB||Adobe PDF||Request a copy|
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