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Statements

Subject Item
n2:RIV%2F68407700%3A21220%2F09%3A00165200%21RIV10-GA0-21220___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
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. 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.
dcterms:title
On a parallel implementation of the BDDC method and its application to the Stokes problem On a parallel implementation of the BDDC method and its application to the Stokes problem
skos:prefLabel
On a parallel implementation of the BDDC method and its application to the Stokes problem On a parallel implementation of the BDDC method and its application to the Stokes problem
skos:notation
RIV/68407700:21220/09:00165200!RIV10-GA0-21220___
n3:aktivita
n6:P n6:Z
n3:aktivity
P(GA106/08/0403), P(IAA200600801), Z(AV0Z10190503), Z(MSM6840770001)
n3:dodaniDat
n16:2010
n3:domaciTvurceVysledku
n17:5240018
n3:druhVysledku
n21:D
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n22:predkladatel
n3:idSjednocenehoVysledku
331322
n3:idVysledku
RIV/68407700:21220/09:00165200
n3:jazykVysledku
n20:eng
n3:klicovaSlova
BDDC; domain decomposition; iterative substructuring; Stokes flow
n3:klicoveSlovo
n11:Stokes%20flow n11:BDDC n11:domain%20decomposition n11:iterative%20substructuring
n3:kontrolniKodProRIV
[396704D522CC]
n3:mistoKonaniAkce
Moffett Field, California
n3:mistoVydani
Moffett Field, California
n3:nazevZdroje
Proceedings of ParCFD 2009, extended abstracts
n3:obor
n18:BA
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n12:IAA200600801 n12:GA106%2F08%2F0403
n3:rokUplatneniVysledku
n16:2009
n3:tvurceVysledku
Burda, Pavel
n3:typAkce
n4:WRD
n3:zahajeniAkce
2009-05-18+02:00
n3:zamer
n5:AV0Z10190503 n5:MSM6840770001
s:numberOfPages
5
n9:hasPublisher
NASA Ames Research Center
n15:isbn
978-0-578-02333-5
n8:organizacniJednotka
21220