most citedFast-convergent two-level restricted additive Schwarz methods based on optimal local approximation spaces

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math.NA2024★ 1 cited

Fast-convergent two-level restricted additive Schwarz methods based on optimal local approximation spaces

Arne Strehlow, Chupeng Ma, Robert Scheichl

This paper proposes a two-level restricted additive Schwarz (RAS) method for multiscale PDEs, built on top of a multiscale spectral generalized finite element method (MS-GFEM). The…

math.NA2021

Multilevel Spectral Domain Decomposition

Peter Bastian, Robert Scheichl, Linus Seelinger +1

Highly heterogeneous, anisotropic coefficients, e.g. in the simulation of carbon-fibre composite components, can lead to extremely challenging finite element systems. Direct solver…