Simulationinvestigationonperforationandpenetration

basedonEFG method

GONG Shu-guang; RAO Gang; WU Xian-hong

doi:10.11883/1001-1455(2011)06-0658-06

Volume 31 Issue 6

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GONG Shu-guang, RAO Gang, WU Xian-hong. SimulationinvestigationonperforationandpenetrationbasedonEFG method[J]. Explosion And Shock Waves, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

Citation:

GONG Shu-guang, RAO Gang, WU Xian-hong. Simulationinvestigationonperforationandpenetration basedonEFG method[J]. Explosion And Shock Waves, 2011, 31(6): 658-663. doi: 10.11883/1001-1455(2011)06-0658-06

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Simulationinvestigationonperforationandpenetration basedonEFG method

doi: 10.11883/1001-1455(2011)06-0658-06

1.
Schoolof MechanicalEngineering,XiangtanUniversity,Xiangtan411105,Hunan,China

Funds:

NationalNaturalScienceFoundationofChina(50875223)

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Corresponding author: GONG Shu-guang
Publish Date: 2011-11-25

Abstract

Abstract

Byintegratingtheelement-freeGalerkin(EFG)methodwiththeLS-DYNAsoftware,ananalysismodelforperforationandpenetrationwasdevelopedtonumericallysimulatethepenetrationof aspherical-noseprojectileintoasemi-infinitesteeltargetinthreedimensions.Thesimulatedresults werecomparedwiththeonesbythecavityexpansiontheoryandthefiniteelementmethod.ThecomparisondemonstratesthefeasibilityandsuperiorityoftheEFG methodinthesimulationofperforationandpenetration.
- mechanicsofexplosion,
- penetrationeffect,
- EFG method,
- penetrationandperforation,
- cavityexpansiontheory,
- LS-DYNA