ResearchonimpactcharacteristicsofexplosiveboltsusingSPH method

ChuWen-hua; SunLong-quan; YaoXiong-liang; TianZhao-li

doi:10.11883/1001-1455(2013)03-0249-06

Volume 33 Issue 3

Mar. 2014

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ChuWen-hua, SunLong-quan, YaoXiong-liang, TianZhao-li. ResearchonimpactcharacteristicsofexplosiveboltsusingSPH method[J]. Explosion And Shock Waves, 2013, 33(3): 249-254. doi: 10.11883/1001-1455(2013)03-0249-06

Citation:

ChuWen-hua, SunLong-quan, YaoXiong-liang, TianZhao-li. ResearchonimpactcharacteristicsofexplosiveboltsusingSPH method[J]. Explosion And Shock Waves, 2013, 33(3): 249-254. doi: 10.11883/1001-1455(2013)03-0249-06

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ResearchonimpactcharacteristicsofexplosiveboltsusingSPH method

doi: 10.11883/1001-1455(2013)03-0249-06

1.
CollegeofShipbuildingEngineering,HarbinEngineeringUniversity,Harbin150001,Heilongjiang,China

Funds:

NationalNaturalScienceFoundationofChina(50939002,50809018,51009035,10976008)

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Corresponding author: ChuWen-hua
Publish Date: 2013-05-25

Abstract

Abstract

Abstract:Inviewofthefactsthattheunlockingprocessofanexplosiveboltisinstantaneous,theexplosiveboltcanundergoalargedeformationinthisprocess, andtheimpedancesofthematerialsin theinterfacehavegreatvarianceinthecourseofthecontactexplosion,basedontheSPH methodconsideringmaterialsstrength, thegoverningequationistransformedtoaformwhichcanreducetheinfluencesofparticledensityandmassontheprocessofthephysicalquantityap roximation.Thena three-dimensionalSPH modelfortheexplosiveboltisbuilttostudytheimpactcharacteristicsinthe unlockingprocessoftheexplosivebolt.Besides,thecomputationalresultsarecomparedwiththe onescomputedbytheLS-DYNAsoftwaretoverifytheaccuracyofthemodelbuiltinthepaper
- mechanicsofexplosion,
- unlockingprocess,
- SPH,
- explosivebolt,
- materialstrength,
- impactenvironment