Multidirectional sweeping preconditioners with non-overlapping checkerboard domain decomposition for Helmholtz problems

Ruiyang Dai,Axel Modave,Jean-François Remacle,Christophe Geuzaine

Journal of Computational Physics（2022）

引用 9|浏览7

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摘要

•Analysis of the algebraic structure of the global interface problem.•Generalization of sweeping preconditioners for Helmholtz problems.•Application to time-harmonic scattering of acoustic waves.•Illustration for the acoustic case using the high-order finite element method.

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关键词

Domain decomposition methods,Helmholtz equation,Preconditioners,Iterative solvers,Acoustic,High-order finite element method

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