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A Gegenbauer polynomial-based numerical technique for a singular integral equation of order four and its application to a crack problem

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  • Yadav, Abhishek
  • Setia, Amit
  • Laurita, Concetta

Abstract

Strongly singular integral equations of order four have applications in fracture mechanics, and Gegenbauer polynomials have never been used to solve these equations. This motivated us to develop a Gegenbauer polynomial-based Galerkin method to solve a singular integral equation of order four. We first prove the problem's well-posedness. Then, we show the theoretical convergence of the numerical scheme and derive the rate of convergence and the error estimates. We validate the theoretical error estimates numerically in test examples. We implement the proposed method to a crack problem and compare it with existing results in the literature.

Suggested Citation

  • Yadav, Abhishek & Setia, Amit & Laurita, Concetta, 2024. "A Gegenbauer polynomial-based numerical technique for a singular integral equation of order four and its application to a crack problem," Applied Mathematics and Computation, Elsevier, vol. 479(C).
    • Handle: RePEc:eee:apmaco:v:479:y:2024:i:c:s0096300324003394
    DOI: 10.1016/j.amc.2024.128878
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    References listed on IDEAS

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    1. Amr M. S. Mahdy & Mohamed A. Abdou & Doaa Sh. Mohamed, 2023. "Computational Methods for Solving Higher-Order (1+1) Dimensional Mixed-Difference Integro-Differential Equations with Variable Coefficients," Mathematics, MDPI, vol. 11(9), pages 1-25, April.
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