• Title of article

    Elasticandviscoplasticpelletsfragmentationmodelingusinganaxisymmetrical1DfiniteelementcodeOriginalResearchArticle

  • Author/Authors

    V.Guicheret-Retel، نويسنده , , F.Trivaudey، نويسنده , , M.L. Boubakar، نويسنده , , Ph.Thevenin، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2004
  • Pages
    14
  • From page
    249
  • To page
    262
  • Abstract
    DuringfirstrisetopowerinPowerWaterReactor,fuelpelletscrackbecauseofthermalexpansion.Thephenomenaofpelletcrackingandfragmentsrelocationhaveamajorinfluenceonrodbehaviourandespeciallyonthecladdingbehaviourinthecaseofpellet–claddinginteraction. ThisarticlepresentsthemodelingusedtotakeintoaccountthefragmentedstateofthepelletintheEDFfuelrodthermo-mechanicalcode,CYRANO3®.Theaimistosimulatemorerealisticstressandstrainfieldsinthepellet. Theinvestigatedmethodconsistsinaddingparametersinthe1Dfiniteelementscalculationsinordertointegratethemulti-dimensionalfragmentationeffectsintheaxisymmetrical1DcodeCYRANO3®.Theseparametersmodifythematerialbehaviourbydescribingthefuelasananisotropicdamagedmaterial.Themodelingaccountsfortheopeningandclosingofradialpelletcracks.Ithasbeenimplementedinthecodeforelasticandviscoplasticfuelbehaviours.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2004
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894793

    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=894793