Table 1.

Modal parameters of the SUS304 specimen.

Static Load	0 N		500 N		1000 N
	Resonance Freq. (Hz)/Mode	Damping Ratio (%)	Resonance Freq. (Hz)/Mode	Damping Ratio (%)	Resonance Freq. (Hz)/Mode	Damping Ratio (%)
SUS304	430.7/B(1)	2.4	443.2/B(1)	1.8	446.8/B(1)	1.9
	932.1/T(1)	1.5	934.4/T(1)	0.7	937.2/T(1)	0.5
	1469.0/B(2)	1.4	1458.8/B(2)	1.1	1468.3/B(2)	1.3
	2148.3/B(3)	1.9	2116.3/B(2)	1.9	2133.3/B(3)	1.4
	2831.9/T(2)	1.9	2841.7/T(2)	1.7	2831.6/T(2)	2.7
	3087.0/B(4)	2.0	3095.9/B(4)	2.1	3125.0/B(4)	2.2