Table 2.

Measured first-mode resonant frequencies (f1), damping ratios (z), and quality factors (Q) for the whiskers of the D row

Whisker Length (mm) f1 vib. f1 imp. ζ vib. ζ imp. Q vib. Q imp.
D1 49 50 50.5 0.17 0.14 5.9 7.1
D2 35 91 89 0.13 0.12 7.7 8.3
D3 27 126 128 0.14 0.11 7.1 9.0
D4 28 85 85 0.17 0.15 5.9 6.7
  • First-mode resonant frequencies (f1) are given in Hertz. Vib. indicates that the data were obtained from the vibration experiment. Imp. indicates that the data were obtained from the impulse experiment. Q values were calculated as Q=1/2z.