Parallel Sums and Adaptive BDDC Deluxe
Widlund, Olof B.
Calvo Alpízar, Juan Gabriel
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There has recently been a considerable activity in developing adaptive methods for the selection of primal constraints for BDDC algorithms and, in particular, for BDDC deluxe variants. The primal constraints of a BDDC or FETI-DP algorithm provide the global, coarse part of such a preconditioner and are of crucial importance for obtaining rapid convergence of these preconditioned conjugate gradient methods for the case of many subdomains.
- Matemática