Dynamic Instability Analysis of a Rotating Ship Shaft under a Periodic Axial Force by Discrete Singular Convolution

Figure 6

Dynamic instability regions with different . “—,” “- -,” instability region boundary with α = 0.1, 0.3 by Floquet’s method; “●” “○,” “▼” “,” stable and unstable results with α = 0.1, 0.3 by DSC method.