Function value recovery and its application in eigenvalue problems (Q2882342)
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scientific article; zbMATH DE number 6030214
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Function value recovery and its application in eigenvalue problems |
scientific article; zbMATH DE number 6030214 |
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4 May 2012
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finite element method
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recovery
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superconvergence
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eigenvalue
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Function value recovery and its application in eigenvalue problems (English)
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This paper deals with finite element recovery techniques. The focus is on using the function recovery operators in enhancing eigenvalues. The authors show that the gradient of the recovered function superconverges to the exact gradient on mildly structured meshes at a rate of \(\alpha\in(1,2]\). Symmetric and nonsymmetric eigenvalue problems are studied.
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