On a robust multigrid solver (Q1913351)
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scientific article; zbMATH DE number 878407
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On a robust multigrid solver |
scientific article; zbMATH DE number 878407 |
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On a robust multigrid solver (English)
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9 March 1997
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The author is concerned with the robustness of multigrid solvers for discrete rotated anisotropic diffusion equations and discrete convection-diffusion equations with respect to variations in problem-related parameters. In particular, he develops two-grid methods relying on Schur complement approximations whose convergence is studied by means of a Fourier analysis. Numerical results involving the multigrid \(W\)-cycle display robustness at convergence rates between 0.3 and 0.6.
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anisotropy
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numerical results
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robustness
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multigrid solvers
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convection-diffusion equations
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Schur complement approximations
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convergence
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Fourier analysis
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