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KIAM Preprint № 123, Moscow, 2018
Authors: Bakhvalov P. A.
Unsteady corrector method for accuracy analysis of linear semidiscrete schemes
Unsteady corrector method is used to find the order of accuracy when it is greater than the order of truncation error and investigate the long-time evolution of solution error. In this paper this method is applied to linear semidiscrete schemes, which allows to simplify its description. We alsopresent its generalization for schemes with matrices next to temporal derivatives. Using this method we obtain new accuracy estimates for 4-point difference scheme R3.
geometric corrector, consistency and accuracy, non-uniform mesh
Publication language: russian,  страниц: 38
Research direction:
Mathematical problems and theory of numerical methods
Russian source text:
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