[sdiy] Total acoustic energy of an object

[bbob]

Got any references to support this theory?  I'm interested, but those three
examples (vibration, burning, gravity) don't seem to be equivalent
phenomena, to me.

b

On Sat, Mar 4, 2017 at 11:08 AM, cheater00 cheater00 <cheater00 at gmail.com>
wrote:

> Hi,
> When using a bow, a horn, a guitar body, or another acoustic
> instrument, when the object emits sound waves its integrity is
> diminished in tiny amounts. Eventually it would get destroyed.
>
> Similarly to total energy that can be released by burning matter in
> oxygen, or total energy released when an item drops on the ground, Is
> there some form of "total acoustic output" that can happen over the
> lifetime of an object? How would you define it, theoretically?
>
> One can imagine that forced vibration has a different effect to free
> vibration.
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