Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. I: A smooth problem and globally quasi-uniform meshes (Q2719058)
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scientific article; zbMATH DE number 1597947
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. I: A smooth problem and globally quasi-uniform meshes |
scientific article; zbMATH DE number 1597947 |
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14 May 2001
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smooth second order elliptic problems
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finite element methods
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a posteriori estimators
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pointwise gradient error
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unstructured meshes
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Asymptotically exact a posteriori estimators for the pointwise gradient error on each element in irregular meshes. I: A smooth problem and globally quasi-uniform meshes (English)
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The work is a very elaborate paper on a posteriori estimators when finite element methods are used in order to solve smooth second order elliptic problems on unstructured meshes. The a posteriori estimators for the error in the maximum norm of the gradient on single elements are based on averaging operators.
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