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Journal of Scientific Computing
Article . 1990 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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zbMATH Open
Article . 1990
Data sources: zbMATH Open
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Numerical experiments on the accuracy of ENO and modified ENO schemes

Authors: Shu, Chi-Wang;

Numerical experiments on the accuracy of ENO and modified ENO schemes

Abstract

Numerical experiments show an accuracy degeneracy phenomena in essentially nonoscillatory (ENO) finite difference schemes for hyperbolic conservation laws [cf. \textit{A. M. Rogerson} and \textit{E. Meiburg}, ibid. 5, No.2, 151-167 (1990; Zbl 0732.65086)]. The idea of using adaptive stencils forms the very basis of such schemes, but it seems to be attractive to develop modified schemes that employ fixed stencils in smooth regions and adaptive stencils in regions of steep gradients. An in this way modified scheme recovers the correct order of accuracy for all test problems with smooth initial conditions and gives results comparable to the original schemes for discontinuous problems.

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Keywords

convergence, Hyperbolic conservation laws, Finite difference methods for initial value and initial-boundary value problems involving PDEs, adaptive stencils, hyperbolic conservation laws, stability, correct order of accuracy, Stability and convergence of numerical methods for initial value and initial-boundary value problems involving PDEs, essentially nonoscillatory finite difference schemes, discontinuous problems, Numerical experiments

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
143
Top 1%
Top 1%
Top 10%
bronze