Abstract
Based on approximation of the balance relation for convection-diffusion problems, finite difference schemes on rectangular locally refined grids are derived and studied. A priori estimates and error bounds in discreteH 1-norm are provided. Numerical examples demonstrating the accuracy of the schemes for a variety of model convection-diffusion problems are presented and discussed.
Zusammenfassung
Auf der Grundlage der Gleichgewichtsrelation für Konvektions-Diffusions-Probleme werden endliche Differenzschemata auf rechteckigen lokal verfeinerten Gittern hergeleitet und untersucht. Weiterhin werden a-priori-Abschätzungen und Fehlerschranken in der diskretenH 1-Norm angegeben. Numerische Beispiele zeigen die Genauigkeit der Schemata für verschiedene Modelle von Konvektions-Diffusions-Problemen.
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This research of the second and third authors was partially supported by the Department of Energy under contract DE-FG03-87ER25037, by the Army Research Office under contract ARO DAAL 03-91-G-150 and by the National Science Foundation under grant NSF ASC-92-01266. The third author was also supported in part by the National Science Foundation under grant NSF-INT-92-20287.
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Lararov, R.D., Mishev, I.D. & Vassilevski, P.S. Finite volume methods with local refinement for convection-diffusion problems. Computing 53, 33–57 (1994). https://doi.org/10.1007/BF02262107
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DOI: https://doi.org/10.1007/BF02262107