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On a parallel implementation of the BDDC method and its application to the Stokes problem
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SYSNO ASEP 0334735 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title On a parallel implementation of the BDDC method and its application to the Stokes problem Author(s) Šístek, Jakub (MU-W) RID, ORCID, SAI
Burda, P. (CZ)
Mandel, J. (US)
Damašek, Alexandr (UT-L)
Novotný, Jaroslav (UT-L) RID
Sousedík, Bedřich (UT-L)Source Title Proceedings of ParCFD 2009. - Moffett Field, California : NASA Ames Research Center, 2009 / Biswas R. - ISBN 978-0-578-02333-5 Pages s. 183-187 Number of pages 5 s. Action 21st International Conference on Parallel Computational Fluid Dynamics Event date 18.05.2009-22.05.2009 VEvent location Moffett Field Country US - United States Event type WRD Language eng - English Country US - United States Keywords BDDC ; domain decomposition ; iterative substructuring ; Stokes flow Subject RIV BA - General Mathematics CEZ AV0Z10190503 - MU-W (2005-2011) Annotation The Balancing Domain Decomposition by Constraints (BDDC) method is one of the most advanced preconditioners for very large problems with symmetric positive definite matrices that arise from FEM analysis. It is very suitable for massively parallel computers. In presented paper, a parallel implementation of the method is described that is based on formulation of BDDC with global matrices without explicit coarse problem. It is based on the MUMPS parallel solver. The implementation is successfully applied to several problems of Stokes flow and BDDC is shown to be a very promising method also for this class of problems. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2010
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