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On selections of constraints for the BDDC method
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SYSNO ASEP 0352463 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title On selections of constraints for the BDDC method Author(s) Čertíková, M. (CZ)
Šístek, Jakub (MU-W) RID, ORCID, SAI
Novotný, J. (CZ)
Burda, P. (CZ)Source Title Proceedings of International Conference Presentation of Mathematics '09. - Liberec : Technická univerzita v Liberci, 2010 / Feuerstein E. ; Segeth K. ; Andrejsová D. - ISBN 978-80-7372-578-5 Pages s. 33-41 Number of pages 9 s. Action International conference Presentation of mathematics '09 Event date 14.09.2009-16.09.2009 VEvent location Liberec Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords BDDC ; domain decomposition ; iterative substructuring ; parallel computing Subject RIV BA - General Mathematics CEZ AV0Z10190503 - MU-W (2005-2011) Annotation The Balancing Domain Decomposition by Constraints (BDDC) method is an iterative substructuring domain decomposition method which uses a coarse space. The choice of coarse constraints on continuity has strong influence on convergence of the method. The goal of this paper is to compare the performance of several algorithms for selection of the coarse constraints applied to both test and industrial 3D linear elasticity problems and confront results obtained for typical test problems with results for industrial problems. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2011
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