5.8 Free Vibration of Damped Two Degrees of Freedom System
177
5.4 Determine the natural frequencies and mode shapes of the system shown.
Prob. 5.4.
5.5 Determine the natural frequencies and mode shapes of the system.
Prob. 5.5.
5.6 Find the natural frequencies and mode shapes for the torsional system shown
in figure, for J 1 = J o , J 2 = 2 J o , k 1 = k 2 = k o .
Prob. 5.6.
5.7 Determine the natural frequency of the torsional system and draw the mode
shape. G = 81 N/mm
2 .
Prob. 5.7.
5.8 Write the equations of motion for the two degrees of freedom system of
Fig. 5.1, when left support moves by x s = x s 0 sin ω t.
5.9 Determine the principal coordinates of the system shown in figure.
177
5.4 Determine the natural frequencies and mode shapes of the system shown.
Prob. 5.4.
5.5 Determine the natural frequencies and mode shapes of the system.
Prob. 5.5.
5.6 Find the natural frequencies and mode shapes for the torsional system shown
in figure, for J 1 = J o , J 2 = 2 J o , k 1 = k 2 = k o .
Prob. 5.6.
5.7 Determine the natural frequency of the torsional system and draw the mode
shape. G = 81 N/mm
2 .
Prob. 5.7.
5.8 Write the equations of motion for the two degrees of freedom system of
Fig. 5.1, when left support moves by x s = x s 0 sin ω t.
5.9 Determine the principal coordinates of the system shown in figure.
