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SUPERCONVERGENCE OF DISCONTINUOUS GALERKIN SOLUTIONS FOR DELAY DIFFERENTIAL EQUATIONS OF PANTOGRAPH TYPE.
- Source :
-
SIAM Journal on Scientific Computing . 2011, Vol. 33 Issue 5, p2664-2684. 21p. - Publication Year :
- 2011
-
Abstract
- This paper is concerned with the superconvergence of the discoutinuous Galerkin solutions for delay differential equations with proportional delays vanishing at t = 0. Two types of superconvergenee are analyzed here. The first is based oil interpolation postprocessing to improve the global convergence order by finding the superconvergence points of discontinuous Galerkin solutions. The second type follows from the integral iteration which just requires a local integration procedure applied to the discontinuous Galerkin solution, thus increasing the order of convergence. The theoretical results are illustrated by a broad range of numerical examples. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10648275
- Volume :
- 33
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- SIAM Journal on Scientific Computing
- Publication Type :
- Academic Journal
- Accession number :
- 73028453
- Full Text :
- https://doi.org/10.1137/110824632