About: FETI-Based Algorithm for Homogenization of Composites with Debonding Phases: Numerical Study

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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	In this contribution, we demonstrate the applicability of the FETI algorithm to the solution of unit-cell problems, providing a basic building block for the multi-scale analysis of composite materials. Noting that the physical meaning of the dual variables is that of inter-domain tractions, we present an extension of the original formulation towards the treatment of specific traction-separation constitutive laws at internal interfaces, including contact conditions. The performance of the algorithm is demonstrated my means of a systematic study of two-dimensional unit cell in plane strain state. In particular, we investigate the effect of interface stiffnesses (ranging from perfect bonding to complete separation, respectively) scalability of the homogenization solver, effects of preconditioning and orthogonalization of the dual problem. In this contribution, we demonstrate the applicability of the FETI algorithm to the solution of unit-cell problems, providing a basic building block for the multi-scale analysis of composite materials. Noting that the physical meaning of the dual variables is that of inter-domain tractions, we present an extension of the original formulation towards the treatment of specific traction-separation constitutive laws at internal interfaces, including contact conditions. The performance of the algorithm is demonstrated my means of a systematic study of two-dimensional unit cell in plane strain state. In particular, we investigate the effect of interface stiffnesses (ranging from perfect bonding to complete separation, respectively) scalability of the homogenization solver, effects of preconditioning and orthogonalization of the dual problem. (en)
Title	FETI-Based Algorithm for Homogenization of Composites with Debonding Phases: Numerical Study FETI-Based Algorithm for Homogenization of Composites with Debonding Phases: Numerical Study (en)
skos:prefLabel	FETI-Based Algorithm for Homogenization of Composites with Debonding Phases: Numerical Study FETI-Based Algorithm for Homogenization of Composites with Debonding Phases: Numerical Study (en)
skos:notation	RIV/68407700:21110/09:00160765!RIV10-GA0-21110___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA106/07/1244), P(GA106/08/1379)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kruis, Jaroslav Zeman, Jan Gruber, Pavel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	314883
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/09:00160765
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	FETI; homogenization; composite material; debonding; dual problem; unit-cell problem; interface (en)
http://linked.open.../riv/klicoveSlovo	dual problem unit-cell problem composite material homogenization FETI interface debonding
http://linked.open...ontrolniKodProRIV	[76834374462D]
http://linked.open...v/mistoKonaniAkce	Roznov pod Radhostem
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Modelling 2009
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Numerics and analysis of multi-scale debonding phenomena in composites Geometrical and constitutive modeling of porous carbon-carbon composites
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Gruber, Pavel Kruis, Jaroslav Zeman, Jan
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-06-22 (xsd:date)
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav geoniky AV ČR
https://schema.org/isbn	978-80-86407-66-1
http://localhost/t...ganizacniJednotka	21110

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