Stochastic Principal Parametric Resonances of Composite Laminated Beams

Figure 7

Stationary joint probability density of the system to different excitation central frequencies 𝐵: 𝛾=0.12, 𝑓₀=1. (a) 𝐵=2.3; (b) 𝐵=3.0; (c) 𝐵=3.5; (d) 𝐵=4.0; (e) 𝐵=5.0; (f) 𝐵=6.0.

(a) 𝐵=2.3

(b) 𝐵=3.0

(c) 𝐵=3.5

(d) 𝐵=4.0

(e) 𝐵=5.0

(f) 𝐵=6.0