Piano Hammer-String Interaction
نویسنده
چکیده
A hammer-string interaction for bass notes is investigated and the problem what can cause the hammer to rebound is clarified. For a linear elastic hammer interacting with a long flexible string the exact solution of the equation describing the hammer motion is derived. It was shown that in some cases no reflected wave is needed to assist the hammer for going away from the string. The numerical simulation carried out for the first ten hammers and strings of Parlour Grand Piano shows that the real hysteretic hammer leave the string before the string begins pushing back on the hammer.
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