A family of finite difference schemes for the convection-diffusion equation in two dimensions

E. Sousa and I. Sobey
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E. Sousa: Oxford University Computing Laboratory
I. Sobey: Oxford University, Computing Laboratory

A chapter in Numerical Mathematics and Advanced Applications, 2003, pp 179-188 from Springer

Abstract: Summary The construction of finite difference schemes in two dimensions is more ambiguous than in one dimension. This ambiguity arises because different combinations of local nodal values are equally able to model local behaviour with the same order of accuracy. In this paper we outline an evolution operator for the two-dimensional convection-diffusion problem in an unbounded domain and use it as the source for obtaining a family of second order (Lax-Wendroff) schemes and third-order (Quickest) schemes not yet studied in the literature. Additionally we study and compare the stability of these second-order and third-order schemes using the von Neumann method.

Keywords: Evolution Operator; Finite Difference Scheme; Unbounded Domain; Quick Scheme; Local Polynomial Interpolation (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-88-470-2089-4_17

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DOI: 10.1007/978-88-470-2089-4_17

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