Scalable multi-level deflation preconditioning for highly indefinite time-harmonic waves

DOI10.1016/j.jcp.2022.111327OpenAlexW4289342420MaRDI QIDQ2675579

V. Dwarka, Kees Vuik

Publication date: 24 September 2022

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jcp.2022.111327

zbMATH Keywords

multilevelHelmholtz equationdeflationindefinite

Mathematics Subject Classification ID

Numerical linear algebra (65Fxx) Numerical methods for partial differential equations, boundary value problems (65Nxx) Elliptic equations and elliptic systems (35Jxx)

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