Convergence properties of two nonconforming finite elements (Q796276)
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scientific article; zbMATH DE number 3864438
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Convergence properties of two nonconforming finite elements |
scientific article; zbMATH DE number 3864438 |
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Convergence properties of two nonconforming finite elements (English)
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1985
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Two nonconforming triangular elements for second-order problems are analyzed. One element is found to be convergent. The other does not yield approximate solutions converging to the solution of the given boundary value problem, but to a wrong limit, which is the solution of another variational equation. This strange convergence behaviour may be typical for a wider class of nonconforming elements violating the basic precondition for convergence. The problem of patch subdivisions is also considered.
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nonconforming triangular elements
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convergence
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patch subdivisions
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