About: Selection strategy for fixing nodes in FETI-DP method

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper deals with selection strategy of fixing nodes in the FETI-DP method. The FETI-DP method is one of non-overlapping domain decomposition methods. The method was published by Farhat and co-workers in 2001. Selection of the fixing unknowns in the FETI-DP, TFETI or BDDC domain decomposition method has strong influence on the method behavior. The selection itself is not straightforward in the case of irregular domains and subdomains. Three-step algorithm for the selection of the fixing unknowns is presented and some numerical examples are shown. The algorithm is based on nodal multiplicity, which is the number of subdomains sharing the node. If the three-step algorithm selects unsatisfactory number of fixing nodes, additional geometrical conditions are applied. These conditions lead to selection of additional fixing nodes. Moreover, higher number of the fixing nodes usually results in better convergence of the coarse problems. This paper deals with selection strategy of fixing nodes in the FETI-DP method. The FETI-DP method is one of non-overlapping domain decomposition methods. The method was published by Farhat and co-workers in 2001. Selection of the fixing unknowns in the FETI-DP, TFETI or BDDC domain decomposition method has strong influence on the method behavior. The selection itself is not straightforward in the case of irregular domains and subdomains. Three-step algorithm for the selection of the fixing unknowns is presented and some numerical examples are shown. The algorithm is based on nodal multiplicity, which is the number of subdomains sharing the node. If the three-step algorithm selects unsatisfactory number of fixing nodes, additional geometrical conditions are applied. These conditions lead to selection of additional fixing nodes. Moreover, higher number of the fixing nodes usually results in better convergence of the coarse problems. (en)
Title	Selection strategy for fixing nodes in FETI-DP method Selection strategy for fixing nodes in FETI-DP method (en)
skos:prefLabel	Selection strategy for fixing nodes in FETI-DP method Selection strategy for fixing nodes in FETI-DP method (en)
skos:notation	RIV/68407700:21110/10:00169180!RIV11-GA0-21110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GD103/09/H078)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kruis, Jaroslav Brož, Jaroslav
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	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	286796
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/10:00169180
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	FETI-DP method; fixing nodes; domain decomposition method; finite element method (en)
http://linked.open.../riv/klicoveSlovo	finite element method FETI-DP method fixing nodes domain decomposition method
http://linked.open...odStatuVydavatele	HU - Maďarsko
http://linked.open...ontrolniKodProRIV	[403C454642FC]
http://linked.open...i/riv/nazevZdroje	Pollack Periodica, An International Journal for Engineering and Information Sciences
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Computer and experimental analysis of civil engineering materials and their multilayered systems
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	5
http://linked.open...iv/tvurceVysledku	Kruis, Jaroslav Brož, Jaroslav
issn	1788-1994
number of pages	12 (xsd:int)
http://localhost/t...ganizacniJednotka	21110
is http://linked.open...avai/riv/vysledek of	Selection strategy for fixing nodes in FETI-DP method Selection strategy for fixing nodes in FETI-DP method Selection strategy for fixing nodes in FETI-DP method

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