Vibration Suppression of a Large Beam Structure Using Tuned Mass Damper and Eddy Current Damping

Table 3

Frequencies and magnitudes of beam with TMD.

Rod length (mm)	1st mode		2nd mode
	Frequency (Hz)	Magnitude (dB)	Frequency (Hz)	Magnitude (dB)
120	18.2	−28.4	30.5	−32.6
130	17.9	−28.8	28.6	−28.4
140	17.1	−37.9	25.8	−30.0
150	16.6	−42.3	24.9	−24.9