A Taylor-Petrov-Galerkin algorithm for viscoelastic flow (Q1321584)
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scientific article; zbMATH DE number 558497
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A Taylor-Petrov-Galerkin algorithm for viscoelastic flow |
scientific article; zbMATH DE number 558497 |
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A Taylor-Petrov-Galerkin algorithm for viscoelastic flow (English)
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28 April 1994
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A viscoelastic flow described by the Oldroyd-B and the Phan-Thien-Tanner constitutive models has been studied. For the Oldroyd-B model, the algorithm indicates the onset of instability as elasticity increases. For a particular class of Phan-Thien-Tanner model, it is found that the algorithm is stable at high Weissenberg numbers. Results are presented for various combinations of fluid parameters.
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stability and instability of numerical algorithms
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Oldroyd-B model
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Phan- Thien-Tanner model
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