Weakly Nonlinear and Numerical Analysis of Auto-Oscillatory Dynamics in a Solid Propellant Combustion Model

Figure 8

Θ(0,0,𝑡) and |(𝜕Φ/𝜕𝑡)(0,𝑡)| for decreasing 𝑐 with 𝜌=𝜆=1 and 𝜖=0.05. For 𝑐=0.85, the analytical solution has become unbounded and is not plotted.

(a) 𝑐=0.95

(b) 𝑐=0.85