How Large a Shift is Needed in the Shifted Helmholtz Preconditioner for its Effective Inversion by Multigrid?
Author:
Publisher
Society for Industrial & Applied Mathematics (SIAM)
Subject
Applied Mathematics,Computational Mathematics
Link
https://epubs.siam.org/doi/pdf/10.1137/15M102085X
Reference25 articles.
1. Uniform Convergence of Multigrid V-Cycle Iterations for Indefinite and Nonsymmetric Problems
2. An improved two-grid preconditioner for the solution of three-dimensional Helmholtz problems in heterogeneous media
3. Multilevel Preconditioner with Stable Coarse Grid Corrections for the Helmholtz Equation
4. Combining analytic preconditioner and Fast Multipole Method for the 3-D Helmholtz equation
5. Variational Iterative Methods for Nonsymmetric Systems of Linear Equations
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