Parametric and Internal Resonances of an Axially Moving Beam with Time-Dependent Velocity

Figure 14

Phase portraits (a, b), time trace (c), and Poincare map (d) for 𝜎₂=116.4201, 𝜇=0.05, 𝑣₁=10, and 𝛼=0, 𝜎₁=92.39.

(a)

(b)

(c)

(d)