简介：Thermalbehaviorofthesolidifyingshellincontinuouscastingmoldisveryimportanttofinalsteelproducts.Inthepresentwork,onetwo-dimensiontransientthermal-mechanicalfiniteelementmodelwasdevelopedtosimulatethethermalbehaviorofperitecticsteelsolidifyinginslabcontinuouscastingmoldbyusingthesequentialcouplingmethod.Inthismodel,thesteelphysicalpropertiesathightemperaturewasgottenfromthemicro-segregationmodelwithδ/γtransformationinmushyzone,andtheheatfluxwasobtainedaccordingtothedisplacementbetweenthesurfaceofsolidifyingshellandthehotfaceofmoldassolidificationcontraction,theliquid-solidstructureanddistributionofmoldflux,andthetemperaturedistributionofslabsurfaceandmoldhotface,inaddition,therate-dependentelastic-viscoplasticconstitutiveequationwasappliedtoaccountfortheevolutionofshellstressinthemold.Withthismodel,thevariationcharacteristicsofsurfacetemperature,heatflux,andgrowthofthesolidifyingshellcorner,aswellasthethicknessdistributionoftheliquidflux,solidifiedflux,airgapandthecorrespondingthermalresistanceweredescribed.