An explicit one-step multischeme sixth order method for systems of special structure

Alexey S. Eremin, Nikolai A. Kovrizhnykh and Igor V. Olemskoy

Applied Mathematics and Computation, 2019, vol. 347, issue C, 853-864

Abstract: Structure based partitioning of a system of ordinary differential equations is considered. A general form of the explicit multischeme Runge–Kutta type method for such systems is presented. Order conditions and simplifying conditions are written down. An algorithm of derivation of the sixth order method with seven stages and reuse with two free parameters is given. It embeds a fourth order error estimator. Numerical comparison to the Dormand–Prince method with the same computation cost but of lower order is performed.

Keywords: Partitioned methods; Structural partitioning; Explicit Runge–Kutta; Order conditions; Multischeme methods (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:347:y:2019:i:c:p:853-864

DOI: 10.1016/j.amc.2018.11.053

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