Calculate the frequency of a single-sided standing wave?
given is n= 1,3 and 1st harmonic
How do you calculate the frequency here?
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The frequency of a standing wave fixed on one side can be calculated using the formula f=n*v/2L.
In this case, n is the number of wavelengths present within the entire system (in this case 1.3), v is the phase velocity of the shaft and L is the length of the entire system. Since this is the 1st harmonic, n=1.
Since the frequency represents the number of vibrations per second (Hz), we must specify the speed in m/s and the length in m. Therefore, the frequency can be calculated as follows:
f = 1.3 * v / 2L
However, it is important to note that the phase velocity and the length of the system are not known in this case, and it is therefore impossible to calculate the frequency unless these data are given.