A numerical approach for singularly perturbed parabolic reaction-diffusion problem on a modified graded mesh

This paper addresses the numerical approximations of solutions for one dimensional parabolic singularly perturbed problems of reaction-diffusion type. The solution of this class of problems exhibit boundary layers on both sides of the domain. The proposed numerical method involves combining the back...

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Veröffentlicht in:	Journal of numerical analysis and approximation theory Jg. 54; H. 1; S. 117 - 139
Hauptverfasser:	Sah, Kishun Kumar, Gowrisankar, Subramaniam
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Publishing House of the Romanian Academy 30.06.2025
Schlagworte:	Boundary layers Finite difference methods Modified graded mesh Parabolic reaction-diffusion problems Singular perturbation problem Uniform convergence
ISSN:	2457-6794, 2501-059X
Online-Zugang:	Volltext
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