Parameters Approach Applied on Nonlinear Oscillators

Figure 1

(a) Comparison for the 𝑢 versus 𝑢̇ trajectory for the case of 𝐴=1, (b) 𝑡 versus 𝑢 (displacement 𝐴=1), (c) 𝑡 versus 𝑢 (displacement 𝐴=100), (d) 𝑡 versus 𝑢 (displacement 𝐴=1000).

(a)

(b)

(c)

(d)