Complete flux scheme for elliptic singularly perturbed differential–difference equations

Sunil Kumar, B.V. Rathish Kumar and J.H.M. Ten Thije Boonkkamp

Mathematics and Computers in Simulation (MATCOM), 2019, vol. 165, issue C, 255-270

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.

Keywords: Singularly perturbed problems; Differential–difference equations; Finite volume methods; Flux; Integral representation of the flux (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:165:y:2019:i:c:p:255-270

DOI: 10.1016/j.matcom.2019.03.015

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