Plot the graphs of \(\frac{X}{Y}\) versus \(r\) and \(\phi\) versus \(r\) for a damped system subjected to base excitation (Eqs. (3.68) and (3.69)) for the damping ratios \(\zeta=0,0.2,0.4,0.6,0.8\), and 1.

Equation  3.68 and 3.69:-

Transcribed Image Text:

XT. = k + (cw) Y (k - mw) + (cw) 71/2 = 1 + (25r) (1- -r) + (25r) 71/2 (3.68)