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Volume 32 Issue 6
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Article Navigation >  Explosion And Shock Waves  > 2012  >  32(6): 663-668
QINJian-feng, JIAOQing-jie, NIEJian-xin. Numericalsimulationsoninfluencesofexplosivepropertiesonrockparticlemovemen[J]. Explosion And Shock Waves, 2012, 32(6): 663-668. doi: 10.11883/1001-1455(2012)06-0663-06
Citation: QINJian-feng, JIAOQing-jie, NIEJian-xin. Numericalsimulationsoninfluencesofexplosiveproperties onrockparticlemovemen[J]. Explosion And Shock Waves, 2012, 32(6): 663-668. doi: 10.11883/1001-1455(2012)06-0663-06
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Numericalsimulationsoninfluencesofexplosiveproperties onrockparticlemovemen

doi: 10.11883/1001-1455(2012)06-0663-06
  • 1.

    StateKeyLaboratoryofExplosionScienceandTechnology,

  • Publish Date: 2012-11-25
    Abstract
  • TheexplosionprocessesofsphericalPETNchargesinLantiangranitewerenumericallysimulatedbyusingthesoftwareAUTODYN. ParticlevelocityanddisplacementcurvesatdifferentlocationsinLantiangranitewereobtainedandtheinfluencesofexplosivepropertiesonro kparticlemovementwerequalitativelyanalyzed. Thesimulatedparticlevelocityanddisplacementareconsistentwith theexistentexperimentalresults.Thereliesalargedistinctionbetweenparticlevelocitypeaksfrom simulationandexperiment,buttheerrorofparticledisplacementpeakislessthantwentypercent,of whichinfluencedbyvelocitypeak,pulseduration,risetimeandvelocityattenuation.Inthecaseof thesameexplosionenergy,therockparticlevelocitypeaksinducedbytheexplosionoftheHMX, PETN,andTNTchargesinLantiangranitedecreaseinturn.ButtheparticledisplacementpeakinducedbytheexplosionoftheTNTchargeisthebiggest, theparticledisplacementpeakinducedby theexplosionofthePETNchargeistheleast.Thereactionrateofnon-idealexplosivehasanobvious effectontheparticlevelocityanddisplacementpeakswhichincreasewiththeincreasingofthereaction rate.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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