About: Total FETI domain decomposition method and its massively parallel implementation

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We describe an efficient massively parallel implementation of our variant of the FETI type domain decomposition method called Total FETI with a lumped preconditioner. A special attention is paid to the discussion of several variants of parallelization of the action of the projections to the natural coarse grid and to the effective regularization of the stiffness matrices of the subdomains. Both numerical and parallel scalability of the proposed TFETI method are demonstrated on a 2D elastostatic benchmark up to 314,505,600 unknowns and 4800 cores. The results are also important for implementation of scalable algorithms for the solution of nonlinear contact problems of elasticity by TFETI based domain decomposition method. We describe an efficient massively parallel implementation of our variant of the FETI type domain decomposition method called Total FETI with a lumped preconditioner. A special attention is paid to the discussion of several variants of parallelization of the action of the projections to the natural coarse grid and to the effective regularization of the stiffness matrices of the subdomains. Both numerical and parallel scalability of the proposed TFETI method are demonstrated on a 2D elastostatic benchmark up to 314,505,600 unknowns and 4800 cores. The results are also important for implementation of scalable algorithms for the solution of nonlinear contact problems of elasticity by TFETI based domain decomposition method. (en)
Title	Total FETI domain decomposition method and its massively parallel implementation Total FETI domain decomposition method and its massively parallel implementation (en)
skos:prefLabel	Total FETI domain decomposition method and its massively parallel implementation Total FETI domain decomposition method and its massively parallel implementation (en)
skos:notation	RIV/61989100:27740/13:86086006!RIV14-GA0-27740___
http://linked.open...avai/predkladatel	IT4Innovations
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0070), P(EE.2.3.20.0070), P(GA101/08/0574), S, Z(MSM6198910027)
http://linked.open...iv/cisloPeriodika	June-July 2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Hapla, Václav Čermák, Martin Dostál, Zdeněk Menšík, Martin Kozubek, Tomáš Horák, David Vondrák, Vít
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / IT4Innovations
http://linked.open...dnocenehoVysledku	111307
http://linked.open...ai/riv/idVysledku	RIV/61989100:27740/13:86086006
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Scalability; Matrix regularization; FETI Parallel implementation; Domain decomposition method; Coarse problem (en)
http://linked.open.../riv/klicoveSlovo	Coarse problem Domain decomposition method FETI Parallel implementation Matrix regularization Scalability
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[42AF5A8DD1EF]
http://linked.open...i/riv/nazevZdroje	Advances in Engineering Software
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Creating a multidisciplinary R&D team for reliable solution of mechanics tasks Solution to very complex contact problems with other non-linearities by modern mathematical methods IT4Innovations Centre of Excellence
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	60-61
http://linked.open...iv/tvurceVysledku	Dostál, Zdeněk Kozubek, Tomáš Menšík, Martin Čermák, Martin Horák, David Kabelíková, Pavla Vondrák, Vít Hapla, Václav
http://linked.open...ain/vavai/riv/wos	000320744000003
http://linked.open...n/vavai/riv/zamer	Výpočetně náročné počítačové simulace a optimalizace
issn	0965-9978
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.advengsoft.2013.04.001
http://localhost/t...ganizacniJednotka	27740

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