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  • 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. (en)
  • 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. (cs)
Title
  • Numerical Simulations of Pipeline Bending Tests
  • Numerical Simulations of Pipeline Bending Tests (en)
  • Numerické simulace potrubí při ohybové zkoušce (cs)
skos:prefLabel
  • Numerical Simulations of Pipeline Bending Tests
  • Numerical Simulations of Pipeline Bending Tests (en)
  • Numerické simulace potrubí při ohybové zkoušce (cs)
skos:notation
  • RIV/61989100:27230/08:00018150!RIV09-MSM-27230___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6198910027)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 383540
http://linked.open...ai/riv/idVysledku
  • RIV/61989100:27230/08:00018150
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • pipeline; numerical simulations; Chaboche model; Modified AbdelKarim-Ohno model. (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [145E25A82F71]
http://linked.open...v/mistoKonaniAkce
  • Nečtiny
http://linked.open...i/riv/mistoVydani
  • Plzeň
http://linked.open...i/riv/nazevZdroje
  • Computational Mechanics 2008
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Halama, Radim
  • Rojíček, Jaroslav
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Department of Mechanics, Faculty of Applied Sciences, University of West Bohemia
https://schema.org/isbn
  • 978-80-7043-712-4
http://localhost/t...ganizacniJednotka
  • 27230
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