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Nonlinearity, chaos, and the sound of shallow gongs

Legge, K. A.; Fletcher, Neville H.


Experimental studies on several orchestral gongs of the tamtam and cymbal families suggest that two separate nonlinear mechanisms contribute to the evolution of the sound. The first mechanism is an upward cascade of energy from the low‐frequency modes initially excited into high‐frequency modes, caused by coupling between tension and shear stresses at regions of sharp change in shape of the gong. The second is a transition from simple periodic nonlinear modal motion to multiple fractional...[Show more]

CollectionsANU Research Publications
Date published: 1989
Type: Journal article
Source: The Journal of the Acoustical Society of America
DOI: 10.1121/1.398451


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