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Statements

Subject Item
n2:RIV%2F61989100%3A27230%2F08%3A00018150%21RIV09-MSM-27230___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
This paper compares numerical solution with results of experimental solution of pipeline under cyclic loading in elastoplastic domain. The pipeline was subjected to internal pressure and bending moment. Firstly material parameters were estimated (for Besseling model, Chaboche model and Modified AbdelKarim-Ohno model) on the basis of uniaxial loading. The posibility of parameter identification of assumed models using multiaxial tests was tested too. FE program ANSYS was used for all computations. Modified AbdelKarim-Ohno model was implemented by writing own user subrutin in Fortran language. Chaboche model usually overpredicts ratcheting under multiaxial stress state in confrontation with experiments, when it is calibrated by uniaxial tests only. Modified bdelKarim-Ohno model makes possible better calibration for both uniaxial and multiaxial loading cases. This paper compares numerical solution with results of experimental solution of pipeline under cyclic loading in elastoplastic domain. The pipeline was subjected to internal pressure and bending moment. Firstly material parameters were estimated (for Besseling model, Chaboche model and Modified AbdelKarim-Ohno model) on the basis of uniaxial loading. The posibility of parameter identification of assumed models using multiaxial tests was tested too. FE program ANSYS was used for all computations. Modified AbdelKarim-Ohno model was implemented by writing own user subrutin in Fortran language. Chaboche model usually overpredicts ratcheting under multiaxial stress state in confrontation with experiments, when it is calibrated by uniaxial tests only. Modified bdelKarim-Ohno model makes possible better calibration for both uniaxial and multiaxial loading cases. V tomto článku jsou porovnány výsledky numerického řešení s výsledky experimentů. Jedná se o přímé potrubí zatěžované cyklickou silou v elastoplastické oblasti. Je zde popsáno také odvození materiálových parametrů. Při stanovení materiálových parametrů se také využívá výsledku jednoosého zatěžování.
dcterms:title
Numerical Simulations of Pipeline Bending Tests Numerické simulace potrubí při ohybové zkoušce Numerical Simulations of Pipeline Bending Tests
skos:prefLabel
Numerické simulace potrubí při ohybové zkoušce Numerical Simulations of Pipeline Bending Tests Numerical Simulations of Pipeline Bending Tests
skos:notation
RIV/61989100:27230/08:00018150!RIV09-MSM-27230___
n3:aktivita
n11:Z
n3:aktivity
Z(MSM6198910027)
n3:dodaniDat
n7:2009
n3:domaciTvurceVysledku
n5:2256517 n5:6736084
n3:druhVysledku
n20:D
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
383540
n3:idVysledku
RIV/61989100:27230/08:00018150
n3:jazykVysledku
n18:eng
n3:klicovaSlova
pipeline; numerical simulations; Chaboche model; Modified AbdelKarim-Ohno model.
n3:klicoveSlovo
n8:numerical%20simulations n8:pipeline n8:Modified%20AbdelKarim-Ohno%20model. n8:Chaboche%20model
n3:kontrolniKodProRIV
[145E25A82F71]
n3:mistoKonaniAkce
Nečtiny
n3:mistoVydani
Plzeň
n3:nazevZdroje
Computational Mechanics 2008
n3:obor
n12:JR
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n7:2008
n3:tvurceVysledku
Rojíček, Jaroslav Halama, Radim
n3:typAkce
n9:EUR
n3:zahajeniAkce
2008-11-03+01:00
n3:zamer
n15:MSM6198910027
s:numberOfPages
2
n19:hasPublisher
Department of Mechanics, Faculty of Applied Sciences, University of West Bohemia
n21:isbn
978-80-7043-712-4
n16:organizacniJednotka
27230