Difference methods for parabolic equations with Robin condition

Lucjan Sapa

Applied Mathematics and Computation, 2018, vol. 321, issue C, 794-811

Abstract: Classical solutions of nonlinear second-order partial differential functional equations of parabolic type with the Robin condition are approximated in the paper by solutions of associated boundedness-preserving implicit difference functional equations. It is proved that the discrete solutions uniquely exist, they are uniformly bounded with respect to meshes and the numerical method is convergent and stable. We also find the error estimate and its asymptotic behavior. The properties of some auxiliary nonlinear discrete recurrent equations are showed. The proofs are based on the comparison technique and the Banach fixed-point theorem.

Keywords: Parabolic differential functional equation; Implicit difference method; Recurrent equation; Estimate of solution; Convergence; Stability (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:321:y:2018:i:c:p:794-811

DOI: 10.1016/j.amc.2017.10.061

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