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Petrov–Galerkin approximation of time-fractional coupled Korteweg–de Vries equation for propagation of long wave in shallow water

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  • Arifeen, Shams Ul
  • Haq, Sirajul

Abstract

The time-fractional coupled Korteweg–de Vries equations (TFCKdVEs) describe various interesting real-world phenomena including wave propagation and the description of shallow water waves on a viscous fluid. This paper presents an accurate and robust numerical technique to solve the TFCKdVE. The cubic B-spline is introduced as a basis function and a quadratic B-spline is used as a test function in a finite element method (FEM) is known as Petrov–Galerkin method. The temporal fractional part is simplified via L1 formula, while the B-spline is employed for the space approximation. The Lax–Richtmyer stability criterion is applied to analyze the stability of the proposed scheme. Four test problems are solved to check performance and validation of the scheme. The accuracy and efficiency of the proposed method are checked via various error norms. The obtained results show good agreement with the exact solutions and earlier work available in the literature.

Suggested Citation

  • Arifeen, Shams Ul & Haq, Sirajul, 2023. "Petrov–Galerkin approximation of time-fractional coupled Korteweg–de Vries equation for propagation of long wave in shallow water," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 207(C), pages 226-242.
    • Handle: RePEc:eee:matcom:v:207:y:2023:i:c:p:226-242
    DOI: 10.1016/j.matcom.2022.12.028
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    References listed on IDEAS

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    1. Hussain, Manzoor & Haq, Sirajul & Ghafoor, Abdul, 2019. "Meshless spectral method for solution of time-fractional coupled KdV equations," Applied Mathematics and Computation, Elsevier, vol. 341(C), pages 321-334.
    2. Abdon Atangana & Aydin Secer, 2013. "The Time-Fractional Coupled-Korteweg-de-Vries Equations," Abstract and Applied Analysis, Hindawi, vol. 2013, pages 1-8, March.
    3. Helal, M.A. & El-Eissa, H.N., 1996. "Shallow water waves and Korteweg-de Vries equation (oceanographical application)," Pure Mathematics and Applications, Department of Mathematics, Corvinus University of Budapest, vol. 7(3-4), pages 263-282.
    4. Noufe H. Aljahdaly & Ali Akgül & Rasool Shah & Ibrahim Mahariq & Jeevan Kafle & A. Ghareeb, 2022. "A Comparative Analysis of the Fractional-Order Coupled Korteweg–De Vries Equations with the Mittag–Leffler Law," Journal of Mathematics, Hindawi, vol. 2022, pages 1-30, February.
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