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A new subdivision algorithm for the flow propagation using polynomial algebras

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10.1016/j.cnsns.2018.01.013
 
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Pérez Palau, Daniel
Gómez Muntané, Gerard
Masdemont Soler, JosepMés informacióMés informacióMés informació
Document typeArticle
Defense date2018-08-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The Jet Transport method has emerged as a powerful tool for the numerical integration of ordinary differential equations; it uses polynomial expansions to approximate the flow map associated to the differential equation in the neighbourhood of a reference solution. One of the main drawbacks of the method is that the region of accuracy becomes smaller along the integration. In this paper we introduce a procedure to determine a ball covering the set of given initial conditions that keeps the accuracy of the integration within a selected threshold. The paper gives detailed explanations of the algorithm illustrated with some examples of applicability, as well as a comparison with a previous existing method for the same purpose
CitationPérez-Palau, D.; Gomez Muntané, G.; Masdemont, J.J. A new subdivision algorithm for the flow propagation using polynomial algebras. "Communications in nonlinear science and numerical simulation", 1 Agost 2018, vol. 61, p. 37-53. 
URIhttp://hdl.handle.net/2117/130898
DOI10.1016/j.cnsns.2018.01.013
ISSN1007-5704
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S1007570418300194?via%3
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