Matrix-Free Parallel Scalable Multilevel Deflation Preconditioning for Heterogeneous Time-Harmonic Wave Problems
We present a matrix-free parallel scalable multilevel deflation preconditioned method for
heterogeneous time-harmonic wave problems. Building on the higher-order deflation …
heterogeneous time-harmonic wave problems. Building on the higher-order deflation …
A Neural Multigrid Solver for Helmholtz Equations with High Wavenumber and Heterogeneous Media
C Cui, K Jiang, S Shu - arXiv preprint arXiv:2404.02493, 2024 - arxiv.org
Solving high-wavenumber and heterogeneous Helmholtz equations presents a long-
standing challenge in scientific computing. In this paper, we introduce a deep learning …
standing challenge in scientific computing. In this paper, we introduce a deep learning …