A parallel and scalable domain decomposition method for unstructured and hybrid spectral element discretizations of elliptic problems is introduced and studied. The spectral elements are affine images of the reference triangle or square in two dimensions and of the reference tetrahedron, pyramid, pr
Hybrid Multigrid/Schwarz Algorithms for the Spectral Element Method
β Scribed by James W. Lottes; Paul F. Fischer
- Publisher
- Springer US
- Year
- 2005
- Tongue
- English
- Weight
- 368 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0885-7474
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An efficient high-order approach to multi-dimensional problems with boundary or interior layers is presented. It combines a coarse grid penaltyspectral element method with a local one-dimensional asymptotic approximation. The solution so obtained is improved by numerical manipulations on the same co
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