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
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