Nonlinear Analysis of Cable Vibration of a Multispan Cable-Stayed Bridge under Transverse Excitation

Figure 6

Nonlinear response of the simplified model when the 𝑓_𝑏=0.01 (197.46 kN): (a) Time history; (b) Local magnification of (a); (c) Phase portrait of the beam; (d) Phase portrait of the cable; (e) Poincare map of the beam; (f) Poincare map of the cable; (continued line beam, dashed line cable; 𝑝₁₀=0.001, 𝑝₂₀=0.032, 𝐷𝑝₁₀=0.001, 𝐷𝑝₂₀=−0.01).

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