Complete flux scheme for elliptic singularly perturbed differential–difference equations

Sunil Kumar (Corresponding author), B.V. Rathish Kumar, J.H.M. ten Thije Boonkkamp

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1 Citation (Scopus)

Abstract

In this study, we propose a new scheme named as complete flux scheme (CF-scheme) based on the finite volume method for solving singularly perturbed differential–difference equations (SPDDEs) of elliptic type. An alternate integral representation for the flux is obtained which plays an important role in the derivation of CF-scheme. We have established the stability, consistency and quadrature convergence of the proposed scheme. The scheme is successfully implemented on test problems.

Original languageEnglish
Pages (from-to)255-270
Number of pages16
JournalMathematics and Computers in Simulation
Volume165
DOIs
Publication statusPublished - 1 Nov 2019

Keywords

  • Differential–difference equations
  • Finite volume methods
  • Flux
  • Integral representation of the flux
  • Singularly perturbed problems

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