Can anyone please tell me step-by-step how to calculate the acoustic resonance of an object in Hertz if I know its dominant wavelength in microns?
As an example, let's say 1 micron.
Paul Kent
- posted
12 years ago
Calc. Acoustic Res from Wavelength
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12 years ago
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12 years ago
Can you divide? Use large powers of ten?
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12 years ago
For simplicity, let's just say its two dimensional = velocity of sound in air.
Paul kent
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12 years ago
-- Look under "Resonators" at: http://en.wikipedia.org/wiki/Resonance#Mechanical_and_acoustic_resonance
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12 years ago
Apply the boundary conditions and solve the wave equation. You might start with a one dimensional tube. (Sine and Cosine solutions) That's pretty easy. It matters if the ends are open or closed.
Two dimensions can be a pain... usually you'll have Bessel functions or some other thing. If you want to do a spherical cavity, then things get easier. The solution is in terms of Spherical Harmonics.
George H.