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Published in:
2020 | OriginalPaper | Chapter
A Closer Look at Local Eigenvalue Solvers for Adaptive FETI-DP and BDDC
Authors : Axel Klawonn, Martin J. Kühn, Oliver Rheinbach
Published in: Domain Decomposition Methods in Science and Engineering XXV
Publisher: Springer International Publishing
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In order to obtain a scalable domain decomposition method (DDM) for elliptic problems, a coarse space is necessary and an associated coarse problem has to be solved in each iteration. In the presence of arbitrary, large coefficient jumps or in case of almost incompressible elastic materials, the convergence rate of standard DDM deteriorates.