Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source Term
In this paper, a singularly perturbed second-order ordinary differential equation with discontinuous source term subject to mixed-type boundary conditions is considered. A fitted nonpolynomial spline method is suggested. The stability and parameter uniform convergence of the proposed method are prov...
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| Format: | Article |
| Language: | English |
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Wiley
2021-01-01
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| Series: | Abstract and Applied Analysis |
| Online Access: | http://dx.doi.org/10.1155/2021/7569209 |
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| author | Habtamu Garoma Debela Gemechis File Duressa |
| author_facet | Habtamu Garoma Debela Gemechis File Duressa |
| author_sort | Habtamu Garoma Debela |
| collection | DOAJ |
| description | In this paper, a singularly perturbed second-order ordinary differential equation with discontinuous source term subject to mixed-type boundary conditions is considered. A fitted nonpolynomial spline method is suggested. The stability and parameter uniform convergence of the proposed method are proved. To validate the applicability of the scheme, two model problems are considered for numerical experimentation and solved for different values of the perturbation parameter, ε, and mesh size, h. The numerical results are tabulated in terms of maximum absolute errors and rate of convergence, and it is observed that the present method is more accurate and ε-uniformly convergent for h≥ε where the classical numerical methods fail to give good result and it also improves the results of the methods existing in the literature. |
| format | Article |
| id | doaj-art-557efe6445d24675bb28c00d29c7c03c |
| institution | Kabale University |
| issn | 1085-3375 1687-0409 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Abstract and Applied Analysis |
| spelling | doaj-art-557efe6445d24675bb28c00d29c7c03c2025-02-03T06:12:31ZengWileyAbstract and Applied Analysis1085-33751687-04092021-01-01202110.1155/2021/75692097569209Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source TermHabtamu Garoma Debela0Gemechis File Duressa1Department of Mathematics, Jimma University, P.O. Box 378, Jimma, EthiopiaDepartment of Mathematics, Jimma University, P.O. Box 378, Jimma, EthiopiaIn this paper, a singularly perturbed second-order ordinary differential equation with discontinuous source term subject to mixed-type boundary conditions is considered. A fitted nonpolynomial spline method is suggested. The stability and parameter uniform convergence of the proposed method are proved. To validate the applicability of the scheme, two model problems are considered for numerical experimentation and solved for different values of the perturbation parameter, ε, and mesh size, h. The numerical results are tabulated in terms of maximum absolute errors and rate of convergence, and it is observed that the present method is more accurate and ε-uniformly convergent for h≥ε where the classical numerical methods fail to give good result and it also improves the results of the methods existing in the literature.http://dx.doi.org/10.1155/2021/7569209 |
| spellingShingle | Habtamu Garoma Debela Gemechis File Duressa Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source Term Abstract and Applied Analysis |
| title | Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source Term |
| title_full | Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source Term |
| title_fullStr | Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source Term |
| title_full_unstemmed | Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source Term |
| title_short | Uniformly Convergent Nonpolynomial Spline Method for Singularly Perturbed Robin-Type Boundary Value Problems with Discontinuous Source Term |
| title_sort | uniformly convergent nonpolynomial spline method for singularly perturbed robin type boundary value problems with discontinuous source term |
| url | http://dx.doi.org/10.1155/2021/7569209 |
| work_keys_str_mv | AT habtamugaromadebela uniformlyconvergentnonpolynomialsplinemethodforsingularlyperturbedrobintypeboundaryvalueproblemswithdiscontinuoussourceterm AT gemechisfileduressa uniformlyconvergentnonpolynomialsplinemethodforsingularlyperturbedrobintypeboundaryvalueproblemswithdiscontinuoussourceterm |