New preconditioning techniques for saddle point problems arising from the time-harmonic Maxwell equations (Q469887)
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scientific article; zbMATH DE number 6368330
| Language | Label | Description | Also known as |
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| English | New preconditioning techniques for saddle point problems arising from the time-harmonic Maxwell equations |
scientific article; zbMATH DE number 6368330 |
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New preconditioning techniques for saddle point problems arising from the time-harmonic Maxwell equations (English)
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11 November 2014
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Summary: We study two parameterized preconditioners for iteratively solving the saddle point linear systems arising from finite element discretization of the mixed formulation of the time-harmonic Maxwell equations in electromagnetic problems. We establish some spectral properties of the preconditioned saddle point matrices, involving the choice of the parameter. Meanwhile, we provide some results of numerical experiments to show the effectiveness of the proposed parameterized preconditioners.
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