Three-scale finite element eigenvalue discretizations (Q960029)
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scientific article; zbMATH DE number 5382745
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Three-scale finite element eigenvalue discretizations |
scientific article; zbMATH DE number 5382745 |
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Three-scale finite element eigenvalue discretizations (English)
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16 December 2008
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The main idea developed in this paper is that, at least for some second order elliptic operators, the low frequency components can be well approximated on a relatively coarse grids while high frequency components can be computed only on some fine grids. The authors analyze two as weel as three-scale finite element eigenvalue discretizations for such operators. Five particular examples are carried out in order to underline the efficiency of their strategy.
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discretization
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elliptic eigenvalue problems
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tensor product domains
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eigenvalues
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finite element
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multi-scale
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numerical examples
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grid refinement
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