How Large a Shift is Needed in the Shifted Helmholtz Preconditioner for its Effective Inversion by Multigrid? (Q5738162)
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scientific article; zbMATH DE number 6724604
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | How Large a Shift is Needed in the Shifted Helmholtz Preconditioner for its Effective Inversion by Multigrid? |
scientific article; zbMATH DE number 6724604 |
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How Large a Shift is Needed in the Shifted Helmholtz Preconditioner for its Effective Inversion by Multigrid? (English)
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31 May 2017
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multigrid methods
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Helmholtz equation
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shifted Helmholtz preconditioner
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finite element
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numerical examples
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convergence
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wave guide
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