On conditioning of Schur complements of H-TFETI clusters for 2D problems governed by Laplacian.
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Publication:1745997
DOI10.21136/AM.2017.0193-17zbMath1458.65044MaRDI QIDQ1745997
Petr Vodstrčil, Jiří Bouchala, Zdeněk Dostál, Marta Jarošová
Publication date: 18 April 2018
Published in: Applications of Mathematics (Search for Journal in Brave)
Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Numerical computation of matrix norms, conditioning, scaling (65F35) Conditioning of matrices (15A12)
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On the spectrum of Schur complements of 2D elastic clusters joined by rigid edge modes and hybrid domain decomposition ⋮ Highly scalable hybrid domain decomposition method for the solution of huge scalar variational inequalities ⋮ Hybrid TFETI domain decomposition with the clusters joined by faces' rigid modes for solving huge 3D elastic problems ⋮ Schur complement spectral bounds for large hybrid FETI-DP clusters and huge three-dimensional scalar problems
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