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Volume 32 Issue 1
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Article Navigation >  Explosion And Shock Waves  > 2012  >  32(1): 8-14
XIE Fan, ZHANG Tao, CHEN Ji-en, LIU Tu-guang. Updatingofthestresstriaxialitybyfiniteelementanalysi[J]. Explosion And Shock Waves, 2012, 32(1): 8-14. doi: 10.11883/1001-1455(2012)01-0008-07
Citation: XIE Fan, ZHANG Tao, CHEN Ji-en, LIU Tu-guang. Updatingofthestresstriaxialitybyfiniteelementanalysi[J]. Explosion And Shock Waves, 2012, 32(1): 8-14. doi: 10.11883/1001-1455(2012)01-0008-07
shu

Updatingofthestresstriaxialitybyfiniteelementanalysi

doi: 10.11883/1001-1455(2012)01-0008-07
  • 1.

    Schoolof NavalArchitectureandOceanEngineering,HuazhongUniversityof

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NationalNaturalScienceFoundationofChina(10702022)

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  • Corresponding author: ZHANG Tao
  • Publish Date: 2012-01-25
    Abstract
  • Thestresstriaxialityisthemostimportantfactorthatcontrolsinitiationofductilefracture, besidesthestrainlevel.Quasi-statictensiletestsonsmoothandnotchedspecimensofhighstrength steelwerecarriedout,andnumericalsimulationsofthetestswereperformedusingfiniteelement codeABAQUS.Basedontheexperimentalandnumericalresults,somematerialparametersofthe Johnson-Cookconstitutivemodelandthefracturemodelwereobtained.Finally,rectangularplates madeofthehighstrengthsteelwerecollidedbydroppingpunch,andnumericalsimulationswereperformedusingtheJohnson- Cookmodelobtainedpreviously.Goodagreementswerefoundbetweenthe testsandthenumericalresults,whichillustratedthatitwasreliabletoupdatethestresstriaxialityby numericalsimulationsoftensiletests.
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