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The Weierstrass elliptic function expansion method and its applications in nonlinear wave equations

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  • Chen, Yong
  • Yan, Zhenya

Abstract

In this paper, based on the close relationship between the Weierstrass elliptic function ℘(ξ;g2,g3) and nonlinear ordinary differential equation, a Weierstrass elliptic function expansion method is developed in terms of the Weierstrass elliptic function instead of many Jacobi elliptic functions. The mechanism is constructive and can be carried out in computer with the aid of computer algebra (Maple). Many important nonlinear wave equations arising from nonlinear science are chosen to illustrate this technique such as the new integrable Davey–Stewartson-type equation, the (2+1)-dimensional modified KdV equation, the generalized Hirota equation in 2+1 dimensions, the Generalized KdV equation, the (2+1)-dimensional modified Novikov–Veselov equations, (2+1)-dimensional generalized system of modified KdV equation, the coupled Klein–Gordon equation, and the (2+1)-dimensional generalization of coupled nonlinear Schrodinger equation. As a consequence, some new doubly periodic solutions are obtained in terms of the Weierstrass elliptic function. Moreover solitary wave solutions and singular solitary wave solutions are also given as simple limits of doubly periodic solutions. These solutions may be useful to explain some physical phenomena. The algorithm is also applied to other many nonlinear wave equations. Moreover we also present the general form of the method.

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  • Chen, Yong & Yan, Zhenya, 2006. "The Weierstrass elliptic function expansion method and its applications in nonlinear wave equations," Chaos, Solitons & Fractals, Elsevier, vol. 29(4), pages 948-964.
    • Handle: RePEc:eee:chsofr:v:29:y:2006:i:4:p:948-964
    DOI: 10.1016/j.chaos.2005.08.071
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    1. Seadawy, Aly R. & Ali, Asghar & Althobaiti, Saad & Sayed, Samy, 2021. "Propagation of wave solutions of nonlinear Heisenberg ferromagnetic spin chain and Vakhnenko dynamical equations arising in nonlinear water wave models," Chaos, Solitons & Fractals, Elsevier, vol. 146(C).
    2. Akbulut, Arzu & Taşcan, Filiz, 2017. "Application of conservation theorem and modified extended tanh-function method to (1+1)-dimensional nonlinear coupled Klein–Gordon–Zakharov equation," Chaos, Solitons & Fractals, Elsevier, vol. 104(C), pages 33-40.
    3. El-Ganaini, Shoukry & Kumar, Sachin, 2023. "Symbolic computation to construct new soliton solutions and dynamical behaviors of various wave structures for two different extended and generalized nonlinear Schrödinger equations using the new impr," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 208(C), pages 28-56.
    4. Akram, Urooj & Althobaiti, Ali & Althobaiti, Saad & Alhushaybari, Abdullah, 2023. "Chirped pulses for Nematicons in liquid crystals with cubic-septic law nonlinearity," Chaos, Solitons & Fractals, Elsevier, vol. 174(C).
    5. Aly R. Seadawy & Syed T. R. Rizvi & Hanadi Zahed, 2023. "Stability Analysis of the Rational Solutions, Periodic Cross-Rational Solutions, Rational Kink Cross-Solutions, and Homoclinic Breather Solutions to the KdV Dynamical Equation with Constant Coefficien," Mathematics, MDPI, vol. 11(5), pages 1-16, February.

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