Question: Figure 10.46 shows the experimental transfer function of a structure. Determine the approximate values of (omega_{mathrm{i}}) and (zeta_{mathrm{i}}). Magnitude (dB) 20,000 2000 200 20 20

Figure 10.46 shows the experimental transfer function of a structure. Determine the approximate values of $\omega_{\mathrm{i}}$ and $\zeta_{\mathrm{i}}$.

Magnitude (dB) 20,000 2000 200 20 20 180 2 0 250 500

Magnitude (dB) 20,000 2000 200 20 20 180 2 0 250 500 750 1000 Frequency (Hz) 1250 1500 1750 0 -180 FIGURE 10.46 Experimental transfer function of structure.

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