Question: Use a three-element, finite-element model to approximate the three lowest natural frequencies of the system of Figure P11.21. FIGURE P11.21 2 m. 1.3 m E

Use a three-element, finite-element model to approximate the three lowest natural frequencies of the system of Figure P11.21.

FIGURE P11.21 2 m. 1.3 m E = 200 10 N/m 1-4.6

FIGURE P11.21 2 m. 1.3 m E = 200 10 N/m 1-4.6 10-6 m p = 7500 kg/m A-1.5 10-2 m

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