Travelling wave solutions of Wu-Zhang system via dynamic analysis. (English) Zbl 1459.35338
Summary: In this paper, based on the dynamical system method, we obtain the exact parametric expressions of the travelling wave solutions of the Wu-Zhang system. Our approach is much different from the existing literature studies on the Wu-Zhang system. Moreover, we also study the fractional derivative of the Wu-Zhang system. Finally, by comparison between the integer-order Wu-Zhang system and the fractional-order Wu-Zhang system, we see that the phase portrait, nonzero equilibrium points, and the corresponding exact travelling wave solutions all depend on the derivative order \(\alpha \). Phase portraits and simulations are given to show the validity of the obtained solutions.
MSC:
| 35Q53 | KdV equations (Korteweg-de Vries equations) |
| 35C07 | Traveling wave solutions |
| 35C08 | Soliton solutions |
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