A new approach for modelling the damped Helmholtz oscillator: applications to plasma physics and electronic circuits

S A El-Tantawy,Alvaro H Salas,M R Alharthi

Figure 2. A comparison between the semi-analytical solution (36) (dashed curve) and (a) the RK4 numerical solution (dotted curve), (b) the FDM numerical solution (dotted curve), and (c) the HPM numerical solution (dotted curve). Here, α = 2, β = 0.2, γ = 0.1, q0 = 3/4, and ${\dot{q}}_{0}=0$.