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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F14%3A00435517%21RIV15-GA0-61388998
rdf:type
skos:Concept n14:Vysledek
rdfs:seeAlso
http://www.wccm-eccm-ecfd2014.org/admin/files/filePaper/p503.pdf
dcterms: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.
dcterms: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
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
skos:notation
RIV/61388998:_____/14:00435517!RIV15-GA0-61388998
n3:aktivita
n20:P n20:I
n3:aktivity
I, P(GAP101/11/0288), P(GAP101/12/2315)
n3:dodaniDat
n16:2015
n3:domaciTvurceVysledku
n19:7807848
n3:druhVysledku
n5:D
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
1432
n3:idVysledku
RIV/61388998:_____/14:00435517
n3:jazykVysledku
n8:eng
n3:klicovaSlova
stress wave propagation; finite element method; explicit time integrator; spurious oscillations; stress discontinuities
n3:klicoveSlovo
n9:spurious%20oscillations n9:stress%20discontinuities n9:finite%20element%20method n9:explicit%20time%20integrator n9:stress%20wave%20propagation
n3:kontrolniKodProRIV
[62B7BAB74B5B]
n3:mistoKonaniAkce
Barcelona
n3:mistoVydani
Barcelona
n3:nazevZdroje
11th World Congress on Computational Mechanics (WCCM XI) and ECCM V and ECFD IV
n3:obor
n7:BI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n12:GAP101%2F11%2F0288 n12:GAP101%2F12%2F2315
n3:rokUplatneniVysledku
n16:2014
n3:tvurceVysledku
Park, K. C. Kolman, Radek Cho, S. S.
n3:typAkce
n21:WRD
n3:zahajeniAkce
2014-07-20+02:00
s:numberOfPages
11
n17:hasPublisher
International Center for Numerical Methods in Engineering
n11:isbn
978-84-942844-7-2