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

In: Numerical Mathematics and Advanced Applications

Author

Listed:
  • E. Sousa

    (Oxford University Computing Laboratory
    Universidade de Coimbra, Departamento de Matemática)

  • I. Sobey

    (Oxford University, Computing Laboratory)

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.

Suggested Citation

  • E. Sousa & I. Sobey, 2003. "A family of finite difference schemes for the convection-diffusion equation in two dimensions," Springer Books, in: Franco Brezzi & Annalisa Buffa & Stefania Corsaro & Almerico Murli (ed.), Numerical Mathematics and Advanced Applications, pages 179-188, Springer.
    • Handle: RePEc:spr:sprchp:978-88-470-2089-4_17
    DOI: 10.1007/978-88-470-2089-4_17
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