The L-shaped frame shown in Fig. 8.39 is fixed at the end (A) and free at end

Question:

The L-shaped frame shown in Fig. 8.39 is fixed at the end $A$ and free at end $C$. The two segments of the frame, $A B$ and $B C$, are made of the same material with identical square cross sections. Indicate a procedure for finding the natural frequencies of in-plane vibration of the frame by treating the two segments as beams.

image text in transcribed