About: Accurate explicit finite element method for wave propagation and dynamic contact problems

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.wccm-eccm-ecfd2014.org/admin/files/filePaper/p503.pdf
Description	An accurate explicit integration algorithm in the predictor-corrector form for finite element computations of wave propagation and contact problems in solids is presented. The nominated algorithm, with the component-wise partition of equations of motion to longitudinal and shear parts, is designed to more precisely integrate wave propagation in accordance with their different propagation wave speeds and their stability limits. The suggested three-time step integrator is fully explicit with a diagonal mass matrix requirement, second-order accurate, conditionally stable and exhibits minimal sensitivity behaviour on the time step size satisfying the stability limit. The submitted time algorithm is able to be easily implemented into standard finite element codes for general non-linear dynamics problems - wave propagation, dynamic plasticity with small and large deformations, dynamic crack propagation with cohesive fracture models and impact/contact problems. In a numerical test of wave propagation in a disc, we compare results obtained by the proposed scheme with existing conventional time integrators. An accurate explicit integration algorithm in the predictor-corrector form for finite element computations of wave propagation and contact problems in solids is presented. The nominated algorithm, with the component-wise partition of equations of motion to longitudinal and shear parts, is designed to more precisely integrate wave propagation in accordance with their different propagation wave speeds and their stability limits. The suggested three-time step integrator is fully explicit with a diagonal mass matrix requirement, second-order accurate, conditionally stable and exhibits minimal sensitivity behaviour on the time step size satisfying the stability limit. The submitted time algorithm is able to be easily implemented into standard finite element codes for general non-linear dynamics problems - wave propagation, dynamic plasticity with small and large deformations, dynamic crack propagation with cohesive fracture models and impact/contact problems. In a numerical test of wave propagation in a disc, we compare results obtained by the proposed scheme with existing conventional time integrators. (en)
Title	Accurate explicit finite element method for wave propagation and dynamic contact problems Accurate explicit finite element method for wave propagation and dynamic contact problems (en)
skos:prefLabel	Accurate explicit finite element method for wave propagation and dynamic contact problems Accurate explicit finite element method for wave propagation and dynamic contact problems (en)
skos:notation	RIV/61388998:_____/14:00435517!RIV15-GA0-61388998
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP101/11/0288), P(GAP101/12/2315)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kolman, Radek
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	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	1432
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/14:00435517
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	stress wave propagation; finite element method; explicit time integrator; spurious oscillations; stress discontinuities (en)
http://linked.open.../riv/klicoveSlovo	spurious oscillations finite element method stress wave propagation explicit time integrator stress discontinuities
http://linked.open...ontrolniKodProRIV	[62B7BAB74B5B]
http://linked.open...v/mistoKonaniAkce	Barcelona
http://linked.open...i/riv/mistoVydani	Barcelona
http://linked.open...i/riv/nazevZdroje	11th World Congress on Computational Mechanics (WCCM XI) and ECCM V and ECFD IV
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Design of intelligent composite structures Modelling of acoustic wave propagation in strongly heterogeneous media; multi-scale numerical and analytical approaches
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Kolman, Radek Park, K. C. Cho, S. S.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-07-20 (xsd:date)
number of pages	11 (xsd:int)
http://purl.org/ne...btex#hasPublisher	International Center for Numerical Methods in Engineering
https://schema.org/isbn	978-84-942844-7-2

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