An improved two-grid preconditioner for the solution of three-dimensional Helmholtz problems in heterogeneous media (Q2931529)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | An improved two-grid preconditioner for the solution of three-dimensional Helmholtz problems in heterogeneous media |
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An improved two-grid preconditioner for the solution of three-dimensional Helmholtz problems in heterogeneous media (English)
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25 November 2014
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complex shifted Laplacian preconditioner
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flexible Krylov subspace methods
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Helmholtz equation
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heterogeneous media
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variable preconditioning
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finite difference methods
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acoustic waveform inversion
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multigrid method
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domain decomposition
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convergence
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numerical results
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algorithm
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