On the calculation of coupling coefficients in amplitude equations (Q1201035)
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scientific article; zbMATH DE number 97167
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the calculation of coupling coefficients in amplitude equations |
scientific article; zbMATH DE number 97167 |
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On the calculation of coupling coefficients in amplitude equations (English)
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17 January 1993
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An algebraic approach to the problem of finding coupling coefficients appearing in the amplitude equations is described. The proposed technique provides a simplification of the standard computational procedure and reduces the number of operations. Accurate calculations of the coupling coefficients in rotating pipe flows and in plane Poiseuille (channel) flows are given.
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amplitude equations
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Ginzburg-Landau equations
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coupling coefficients
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neutral eigenmode
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linear eigenvalue problem
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\(Q\)-\(R\) factorization
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singular value decomposition
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Navier-Stokes equations
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