About: A Rate-Independent Model for Composite Materials with Imperfect Interfaces based on Energy Minimization

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this contribution, we introduce a rate-independent model for heterogenous structures with imperfect interfaces derived from the global energy minimization. It is based on a variational formulation isotropic interfacial damage mechanics and on the incremental minimization of reversible and dissipated energies. The resulting optimization problem is discretized using the Finite Element Method and converted into its dual form based on the Finite Element Tearing and Interconnecting algorithm extended to account for weakened interfaces. When combined with the alternate minimization algorithm, the present FETI-based formulation leads to very efficient numerical method as it allows to treat (almost) rigid interfaces and frictionless contact conditions. These conclusions are supported by comparsion of the proposed model with two experiments of mixed-mode delamination. In this contribution, we introduce a rate-independent model for heterogenous structures with imperfect interfaces derived from the global energy minimization. It is based on a variational formulation isotropic interfacial damage mechanics and on the incremental minimization of reversible and dissipated energies. The resulting optimization problem is discretized using the Finite Element Method and converted into its dual form based on the Finite Element Tearing and Interconnecting algorithm extended to account for weakened interfaces. When combined with the alternate minimization algorithm, the present FETI-based formulation leads to very efficient numerical method as it allows to treat (almost) rigid interfaces and frictionless contact conditions. These conclusions are supported by comparsion of the proposed model with two experiments of mixed-mode delamination. (en)
Title	A Rate-Independent Model for Composite Materials with Imperfect Interfaces based on Energy Minimization A Rate-Independent Model for Composite Materials with Imperfect Interfaces based on Energy Minimization (en)
skos:prefLabel	A Rate-Independent Model for Composite Materials with Imperfect Interfaces based on Energy Minimization A Rate-Independent Model for Composite Materials with Imperfect Interfaces based on Energy Minimization (en)
skos:notation	RIV/68407700:21110/10:00173962!RIV11-GA0-21110___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA106/08/1379), S
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	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	244905
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/10:00173962
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	decohesion; variational model; FETI-based solvers; interfacial modeling (en)
http://linked.open.../riv/klicoveSlovo	FETI-based solvers decohesion interfacial modeling variational model
http://linked.open...ontrolniKodProRIV	[D0C639AA9400]
http://linked.open...v/mistoKonaniAkce	Valencie
http://linked.open...i/riv/mistoVydani	Stirling
http://linked.open...i/riv/nazevZdroje	Proceedings of the Seventh International Conference on Engineering Computational Technology
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	Numerics and analysis of multi-scale debonding phenomena in composites
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Gruber, Pavel Zeman, Jan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-09-14 (xsd:date)
number of pages	16 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Civil-Comp Press Ltd
https://schema.org/isbn	978-1-905088-40-9
http://localhost/t...ganizacniJednotka	21110

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