Research Article

Theory of Nonlinear Vibrations for Antisymmetric Cross-Ply Bistable Laminated Shells

Figure 20

The quasi-periodic motion when . (a) The 3D phase portrait. (b) The time history. (c) The 3D phase portrait. (d) The phase portrait on the plane. (e) The Poincaré map. (f) The frequency spectrum.
(a)
(b)
(c)
(d)
(e)
(f)