Stochastic Stability of Damped Mathieu Oscillator Parametrically Excited by a Gaussian Noise

Figure 5

Second moment stability, white noise excitation: plot of 𝜎²_cr as a function of Ω for 𝜀=1, 𝜔₀=2π, 𝜁₀=0.05; 𝛽=0.1 green line, and 𝛽=0.15 black line.