Found 20 Documents (Results 1–20)
A hybrid shifted Laplacian multigrid and domain decomposition preconditioner for the elastic Helmholtz equations. (English) Zbl 07811310
A matrix-free parallel solution method for the three-dimensional heterogeneous Helmholtz equation. (English) Zbl 1529.65107
Scalable DPG multigrid solver for Helmholtz problems: a study on convergence. (English) Zbl 1538.65491
A hybridizable discontinuous Galerkin method with characteristic variables for Helmholtz problems. (English) Zbl 07748045
A semi matrix-free twogrid preconditioner for the Helmholtz equation with near optimal shifts. (English) Zbl 1518.35247
Convergence of restricted additive Schwarz with impedance transmission conditions for discretised Helmholtz problems. (English) Zbl 1500.35105
Convergence of parallel overlapping domain decomposition methods for the Helmholtz equation. (English) Zbl 1497.65252
Trace transfer-based diagonal sweeping domain decomposition method for the Helmholtz equation: algorithms and convergence analysis. (English) Zbl 07518074
Multidirectional sweeping preconditioners with non-overlapping checkerboard domain decomposition for Helmholtz problems. (English) Zbl 07517704
A ROM-accelerated parallel-in-time preconditioner for solving all-at-once systems in unsteady convection-diffusion PDEs. (English) Zbl 1510.65199
A diagonal sweeping domain decomposition method with source transfer for the Helmholtz equation. (English) Zbl 1474.65465
Sparse approximate multifrontal factorization with butterfly compression for high-frequency wave equations. (English) Zbl 1490.65081
A time-domain preconditioner for the Helmholtz equation. (English) Zbl 1489.65155
Reviewer: Abdallah Bradji (Annaba)
Sparse approximate multifrontal factorization with butterfly compression for high-frequency wave equations. (English) Zbl 1512.65075
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