Numericalsimulationofinterfacewavesinsteelexplosivewelding

LI Xiao-jie; MO Fei; YAN Hong-hao; WANG Hai-tao

doi:10.11883/1001-1455(2011)06-0653-05

Volume 31 Issue 6

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LI Xiao-jie, MO Fei, YAN Hong-hao, WANG Hai-tao. Numericalsimulationofinterfacewavesinsteelexplosivewelding[J]. Explosion And Shock Waves, 2011, 31(6): 653-657. doi: 10.11883/1001-1455(2011)06-0653-05

Citation:

LI Xiao-jie, MO Fei, YAN Hong-hao, WANG Hai-tao. Numericalsimulationofinterfacewavesinsteelexplosivewelding[J]. Explosion And Shock Waves, 2011, 31(6): 653-657. doi: 10.11883/1001-1455(2011)06-0653-05

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Numericalsimulationofinterfacewavesinsteelexplosivewelding

doi: 10.11883/1001-1455(2011)06-0653-05

1.
TheStateKeyLaboratoryofStructuralAnalysisforIndustrialEquipment,

Funds:

NationalNaturalScienceFoundationofChina(10972051,10902023,10872044,10172025)

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Corresponding author: MO Fei
Publish Date: 2011-11-25

Abstract

Abstract

BasedontheJohnson-CookmaterialmodelandtheGrneisenequationofstate,athermoplastichydrodynamicmodelwasestablishedbyadoptingthesmoothparticlehydrodynamics( SPH) methodintheANSYS/LS-DYNA11.0tonumericallysimulatetheformationandevolutionprocesses oftheinterfacewavesinthesteel-steelexplosivewelding.ThesimulatedresultsrevealthattheSPH methodcanbeusedtoobtainvividinterfacewaveappearancesinexplosivewelding.Comparisonsbetweenthesimulatedresultsandtheexistentexperimentalonesdisplaythatthesimulationerrorsare smallandtheydecreasewiththecollisionvelocityincreaseoftheflyerplate.Sotheestablishedthermoplastichydrodynamicmodelisapplicabletotheinterfacewaveinvestigationinexplosivewelding, especiallytooneswithhighercollisionvelocities.
- solidmechanics,
- interfacewave,
- SPH method,
- explosivewelding,
- thermoplastichydrodynamicmodel