An Almost Sixth-Order Finite-Difference Method for Semilinear Singular Perturbation Problems

Verfasser / Beitragende:
[Relja Vulanović]
Ort, Verlag, Jahr:
2004
Enthalten in:
Computational Methods in Applied Mathematics, 4/3(2004), 368-383
Format:
Artikel (online)
ID: 378936433
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024 7 0 |a 10.2478/cmam-2004-0020  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.2478/cmam-2004-0020 
100 1 |a Vulanović  |D Relja  |u Kent State University Stark Campus, 6000 Frank Ave. NW, Canton, OH 44720-7599, USA. 
245 1 3 |a An Almost Sixth-Order Finite-Difference Method for Semilinear Singular Perturbation Problems  |h [Elektronische Daten]  |c [Relja Vulanović] 
520 3 |a The discretization meshes of the Shishkin type are more suitable for high- order finite-difference schemes than Bakhvalov-type meshes. This point is illustrated by the construction of a hybrid scheme for a class of semilinear singularly perturbed reaction-diffusion problems. A sixth-order five-point equidistant scheme is used at most of the mesh points inside the boundary layers, whereas lower-order three-point schemes are used elsewhere. It is proved under certain conditions that this combined scheme is almost sixth-order accurate and that its error does not increase when the perturbation parameter tends to zero. 
540 |a This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. 
690 7 |a finite differences  |2 nationallicence 
690 7 |a semilinear boundary value problem  |2 nationallicence 
690 7 |a Shishkin mesh  |2 nationallicence 
690 7 |a singular perturbation  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 100  |E 1-  |a Vulanović  |D Relja  |u Kent State University Stark Campus, 6000 Frank Ave. NW, Canton, OH 44720-7599, USA 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Computational Methods in Applied Mathematics  |d De Gruyter  |g 4/3(2004), 368-383  |x 1609-4840  |q 4:3<368  |1 2004  |2 4  |o cmam 
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