Exact Traveling Wave Solutions for a Nonlinear Evolution Equation of Generalized Tzitzéica-Dodd-Bullough-Mikhailov Type

Figure 2

The phase portraits of solutions (42) and (43) for 𝑚=4,𝛼=0.3,𝛽=−0.3,𝑐=2,𝑡=0.1.

(a) Smooth kink wave

(b) Unboundary wave