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

Abhishek Yadav, Amit Setia and Concetta Laurita

Applied Mathematics and Computation, 2024, vol. 479, issue C

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.

Keywords: Singular integral equation; Strong singular integral equation; Gegenbauer polynomial; Crack problem; Error estimate (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:479:y:2024:i:c:s0096300324003394

DOI: 10.1016/j.amc.2024.128878

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