Question: Using Rayleigh's method, find the fundamental frequency for the lateral vibration of the beam shown in Fig. 8.40. The restoring force in the spring (k)

Using Rayleigh's method, find the fundamental frequency for the lateral vibration of the beam shown in Fig. 8.40. The restoring force in the spring $k$ is proportional to the deflection, and the restoring moment in the spring $k_{t}$ is proportional to the angular deflection.

x k 0000 FIGURE 8.40 Beam fixed at one end and supported

x k 0000 FIGURE 8.40 Beam fixed at one end and supported by springs at other end.

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