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Mathematics > Numerical Analysis

arXiv:1906.01598 (math)
[Submitted on 4 Jun 2019]

Title:A parameter uniform essentially first order convergent numerical method for a parabolic singularly perturbed differential equation of reaction-diffusion type with initial and Robin boundary conditions

Authors:R.Ishwariya, J.J.H.Miller, S.Valarmathi
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Abstract:In this paper, a class of linear parabolic singularly perturbed second order differential equations of reaction-diffusion type with initial and Robin boundary conditions is considered. The solution u of this equation is smooth, whereas the first derivative in the space variable exhibits parabolic boundary layers. A numerical method composed of a classical finite difference scheme on a piecewise uniform Shishkin mesh is suggested. This method is proved to be first order convergent in time and essentially first order convergent in the space variable in the maximum norm uniformly in the perturbation parameters.
Subjects: Numerical Analysis (math.NA)
Cite as: arXiv:1906.01598 [math.NA]
  (or arXiv:1906.01598v1 [math.NA] for this version)
  https://doi.org/10.48550/arXiv.1906.01598

Submission history

From: John J H Miller Dr [view email]
[v1] Tue, 4 Jun 2019 17:17:36 UTC (304 KB)
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