This study attempts to find approximate numerical solutions for a kind of second-order nonlinear differential problem subject to some Dirichlet and mixed-type nonlocal (specifically three-point) boundary conditions, appearing in various realistic physical phenomena, such as bridge design, control theory, thermal explosion, thermostat model, and the theory of elastic stability. The proposed approach offers an efficient and rapid solution for addressing the inherent complexity of nonlinear differential problems with nonlocal boundary conditions. Picard’s iterative technique and quasilinearization method are the basis for the proposed coupled iterative methodology. In order to convert nonlinear boundary value problems to linearized form, the quasilinearization approach (with convergence controller parameters) is implemented. Making use of Picard’s iteration method with the assistance of Green’s function, an equivalent integral representation for the linearized problems is derived. Discussion is also had over the proposed method’s convergence analysis. In order to determine its efficiency and effectiveness, the coupled iterative technique is tested on some numerical examples. Results are also compared with the existing techniques and documented (in terms of absolute errors) to validate the accuracy and precision of the proposed iterative technique.
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-, J. and Singh, M. (2024). A Green’s function-based computationally efficient approach for solving a kind of nonlocal BVPs. Computational Methods for Differential Equations, 13(1), 25-40. doi: 10.22034/cmde.2024.58138.2452
MLA
-, J. , and Singh, M. . "A Green’s function-based computationally efficient approach for solving a kind of nonlocal BVPs", Computational Methods for Differential Equations, 13, 1, 2024, 25-40. doi: 10.22034/cmde.2024.58138.2452
HARVARD
-, J., Singh, M. (2024). 'A Green’s function-based computationally efficient approach for solving a kind of nonlocal BVPs', Computational Methods for Differential Equations, 13(1), pp. 25-40. doi: 10.22034/cmde.2024.58138.2452
CHICAGO
J. - and M. Singh, "A Green’s function-based computationally efficient approach for solving a kind of nonlocal BVPs," Computational Methods for Differential Equations, 13 1 (2024): 25-40, doi: 10.22034/cmde.2024.58138.2452
VANCOUVER
-, J., Singh, M. A Green’s function-based computationally efficient approach for solving a kind of nonlocal BVPs. Computational Methods for Differential Equations, 2024; 13(1): 25-40. doi: 10.22034/cmde.2024.58138.2452
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