Research Article

Nonlinear Vibrations of 3D Laminated Composite Beams

Figure 8

(a) Time responses and (b) phase plots of torsion due to external force and , applied on the middle of the beam. Red: Case  1, black: Case  2, and blue: Case  3.
892782.fig.008a
(a)
892782.fig.008b
(b)