2012 Vol. 32, No. 1
Display Method:
2012, 32(1): 1-7.
doi: 10.11883/1001-1455(2012)01-0001-07
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Abstract:
Pressureprofileofplasmaisoneofthemostimportantfactorsfortheeffectsoflasershock peening.Inthepresentresearch,aone-dimensionalcouplingmodelforcomputingplasmapressureis establishedbasedonenergyconservationconditioninthesystem,inwhichtheinterfacevaporiza...
Pressureprofileofplasmaisoneofthemostimportantfactorsfortheeffectsoflasershock peening.Inthepresentresearch,aone-dimensionalcouplingmodelforcomputingplasmapressureis establishedbasedonenergyconservationconditioninthesystem,inwhichtheinterfacevaporiza...
2012, 32(1): 8-14.
doi: 10.11883/1001-1455(2012)01-0008-07
Abstract:
Thestresstriaxialityisthemostimportantfactorthatcontrolsinitiationofductilefracture, besidesthestrainlevel.Quasi-statictensiletestsonsmoothandnotchedspecimensofhighstrength steelwerecarriedout,andnumericalsimulationsofthetestswereperformedusingfinite...
Thestresstriaxialityisthemostimportantfactorthatcontrolsinitiationofductilefracture, besidesthestrainlevel.Quasi-statictensiletestsonsmoothandnotchedspecimensofhighstrength steelwerecarriedout,andnumericalsimulationsofthetestswereperformedusingfinite...
2012, 32(1): 15-22.
doi: 10.11883/1001-1455(2012)01-0015-08
Abstract:
Abstract:AkineticinterfacefrictionmodelisproposedbasedonthekineticfrictiontestsbyMengto describethevariationofkineticfrictioncoefficientwiththemaximumradialrelativevelocitybetween theSHPBpolycarbonate(PC)specimenandsteelpressurebars.Thekineticinterfa...
Abstract:AkineticinterfacefrictionmodelisproposedbasedonthekineticfrictiontestsbyMengto describethevariationofkineticfrictioncoefficientwiththemaximumradialrelativevelocitybetween theSHPBpolycarbonate(PC)specimenandsteelpressurebars.Thekineticinterfa...
2012, 32(1): 23-28.
doi: 10.11883/1001-1455(2012)01-0023-06
Abstract:
Thedynamicmechanicalpropertiesofhexagonalaluminum honeycombswithvariouscell configurationsarestudiedbyemployingtheexplicitdynamicnumericalsimulations.Thedeformation modeandthecrushingstrengthofthehoneycombs,aswellastheinfluencefactorsarediscussed. Fi...
Thedynamicmechanicalpropertiesofhexagonalaluminum honeycombswithvariouscell configurationsarestudiedbyemployingtheexplicitdynamicnumericalsimulations.Thedeformation modeandthecrushingstrengthofthehoneycombs,aswellastheinfluencefactorsarediscussed. Fi...
2012, 32(1): 29-33.
doi: 10.11883/1001-1455(2012)01-0029-05
Abstract:
ToexploretheformationmechanismoftandemEFP,experimentalandnumericalstudieson theformationprocessofshapedchargewithdoublelayerliners(SCDLL)intotandemEFPwerepresented. Fourtestsampleswithdifferentmaterialsweredesigned.Thesampleswereexperimentally tested...
ToexploretheformationmechanismoftandemEFP,experimentalandnumericalstudieson theformationprocessofshapedchargewithdoublelayerliners(SCDLL)intotandemEFPwerepresented. Fourtestsampleswithdifferentmaterialsweredesigned.Thesampleswereexperimentally tested...
2012, 32(1): 34-42.
doi: 10.11883/1001-1455(2012)01-0034-09
Abstract:
Inordertobetterunderstandthedynamicbehaviorofratesensitivematerialandstructure, acomputationalmodelforthedynamicresponseanalysisofamildsteelbeamsubjectedtosquare pulseloadingispresented,whichisderivedthroughdiscretizingdirectlytheLeefunctionaltobeapp...
Inordertobetterunderstandthedynamicbehaviorofratesensitivematerialandstructure, acomputationalmodelforthedynamicresponseanalysisofamildsteelbeamsubjectedtosquare pulseloadingispresented,whichisderivedthroughdiscretizingdirectlytheLeefunctionaltobeapp...
2012, 32(1): 43-46.
doi: 10.11883/1001-1455(2012)01-0043-04
Abstract:
Toexploretheapplicationoffoam materialstospaceprotection,theballisticlimitcurveof analuminumfoam-filledshieldwasobtainedinthevelocityrangefrom0.5to7.0km/sbyexperimentsandnumericalsimulation, whichwascomparedwiththatoftheWhippleshield.Theresults showt...
Toexploretheapplicationoffoam materialstospaceprotection,theballisticlimitcurveof analuminumfoam-filledshieldwasobtainedinthevelocityrangefrom0.5to7.0km/sbyexperimentsandnumericalsimulation, whichwascomparedwiththatoftheWhippleshield.Theresults showt...
2012, 32(1): 47-50.
doi: 10.11883/1001-1455(2012)01-0047-04
Abstract:
Tramcarsareusedastransportequipment,especiallyinthecentralareaofamine.Asobstaclesinthecloudofpre- mixedgas,theyproducestimulatingeffectduringthemethaneexplosionaccidentsincoalmining. Basedonconditionsofcoalminingprocess,asetofmodelsisbuiltforthenumer...
Tramcarsareusedastransportequipment,especiallyinthecentralareaofamine.Asobstaclesinthecloudofpre- mixedgas,theyproducestimulatingeffectduringthemethaneexplosionaccidentsincoalmining. Basedonconditionsofcoalminingprocess,asetofmodelsisbuiltforthenumer...
2012, 32(1): 51-54.
doi: 10.11883/1001-1455(2012)01-0051-04
Abstract:
Inengineeringapplicationofexplosionweldingoflarge-sizedTi/steelplates,weldingdefectsarealwaysfoundintheparticularareaofplatesboundary. Inordertosolvethisproblem,the dynamicprocessofexplosionweldingisinvestigatedbythenumericalsimulation.Foldingdeforma...
Inengineeringapplicationofexplosionweldingoflarge-sizedTi/steelplates,weldingdefectsarealwaysfoundintheparticularareaofplatesboundary. Inordertosolvethisproblem,the dynamicprocessofexplosionweldingisinvestigatedbythenumericalsimulation.Foldingdeforma...
2012, 32(1): 55-60.
doi: 10.11883/1001-1455(2012)01-0055-06
Abstract:
Thewaterentryproblemofthe2-D wedgewithaconstantspeedisnumericallyanalyzed basedonthevelocitypotentialtheory.Anewjetlinearapproximationmethodisincorporatedintothe complexvariableboundaryelementsolverthatdescribesthejetgeneratedbythewaterentryofwedgest...
Thewaterentryproblemofthe2-D wedgewithaconstantspeedisnumericallyanalyzed basedonthevelocitypotentialtheory.Anewjetlinearapproximationmethodisincorporatedintothe complexvariableboundaryelementsolverthatdescribesthejetgeneratedbythewaterentryofwedgest...
2012, 32(1): 61-66.
doi: 10.11883/1001-1455(2012)01-0061-06
Abstract:
Basedonthewavetheory,thispaperputsforwardthedesignprinciplesoftheprotectionagainstunderwaterexplosionshockwave. Besides,inlightoftheactualsituationofsafetyprotectionin underwaterblastingpractices,experimentalstudiesarecarriedouttotestthehypothesesreg...
Basedonthewavetheory,thispaperputsforwardthedesignprinciplesoftheprotectionagainstunderwaterexplosionshockwave. Besides,inlightoftheactualsituationofsafetyprotectionin underwaterblastingpractices,experimentalstudiesarecarriedouttotestthehypothesesreg...
2012, 32(1): 67-72.
doi: 10.11883/1001-1455(2012)01-0067-06
Abstract:
Experimentandnumericalsimulationwereperformedbyusing1kgcylindricalaluminized explosivecasedby6 mmthicksteelandaluminumshells,respectively.Theresultsshowthatthe steelshellcanenhancetheimpulse,shockwaveenergyanddecaytimecomparedwiththealuminum shell.An...
Experimentandnumericalsimulationwereperformedbyusing1kgcylindricalaluminized explosivecasedby6 mmthicksteelandaluminumshells,respectively.Theresultsshowthatthe steelshellcanenhancetheimpulse,shockwaveenergyanddecaytimecomparedwiththealuminum shell.An...
2012, 32(1): 73-78.
doi: 10.11883/1001-1455(2012)01-0073-06
Abstract:
Theblastingdemolitionprocessesofatypicaltoweringtubbystructurecoolingtowerwere numericallysimulatedbyadoptingthecommonnodeseparatereinforcedconcretemodeltocompare thetwodemolitiondesignswithcuttingseamandwithoutcuttingseaminthemiddleofthetower gap,re...
Theblastingdemolitionprocessesofatypicaltoweringtubbystructurecoolingtowerwere numericallysimulatedbyadoptingthecommonnodeseparatereinforcedconcretemodeltocompare thetwodemolitiondesignswithcuttingseamandwithoutcuttingseaminthemiddleofthetower gap,re...
2012, 32(1): 79-83.
doi: 10.11883/1001-1455(2012)01-0079-05
Abstract:
BasedontheHeldinitiationtheory,andthefactthatshapedchargejetagainstthecharge canproducelowvelocityexplosion,thispaperpresentsanewdesignofmicro-acousticshapedcharge device.Theorthogonalanalysismethodswereappliedtooptimizethechargestructure.Theexperime...
BasedontheHeldinitiationtheory,andthefactthatshapedchargejetagainstthecharge canproducelowvelocityexplosion,thispaperpresentsanewdesignofmicro-acousticshapedcharge device.Theorthogonalanalysismethodswereappliedtooptimizethechargestructure.Theexperime...
2012, 32(1): 84-90.
doi: 10.11883/1001-1455(2012)01-0084-07
Abstract:
Basedonthesuperpositionprincipleofseismicwaves,anewblastingvibrationwaveform predictionmodelwasproposedotherthanthetraditionalpredictionmethodsfoundedondatastatistics. Accordingtothemeasuredvibrationwaveformsfromsingleblastholes,thedevelopedmodel was...
Basedonthesuperpositionprincipleofseismicwaves,anewblastingvibrationwaveform predictionmodelwasproposedotherthanthetraditionalpredictionmethodsfoundedondatastatistics. Accordingtothemeasuredvibrationwaveformsfromsingleblastholes,thedevelopedmodel was...
2012, 32(1): 91-96.
doi: 10.11883/1001-1455(2012)01-0091-06
Abstract:
Assumingthematerialtobeincompressibleandusingappropriateplasticconstitutiverelations, thepartialdifferentialequationsgoverningthedynamicexpansionofacylindershellunderinternalpressurecanbereducedtoanordinarydiffer ntialequationtakingtheinternalradiusa...
Assumingthematerialtobeincompressibleandusingappropriateplasticconstitutiverelations, thepartialdifferentialequationsgoverningthedynamicexpansionofacylindershellunderinternalpressurecanbereducedtoanordinarydiffer ntialequationtakingtheinternalradiusa...
2012, 32(1): 97-102.
doi: 10.11883/1001-1455(2012)01-0097-06
Abstract:
Astudyofimpactdamagetorabbitiscarriedoutbyusingashocktubeimprovedfroma light-gasgundevice,atdifferentshockwavepressures.Basedonthemeasurementofthevariationof itsphysiologicalcharacteristicsandorgans (lung,kidneyetc.),theeffectsofshockresponseand dama...
Astudyofimpactdamagetorabbitiscarriedoutbyusingashocktubeimprovedfroma light-gasgundevice,atdifferentshockwavepressures.Basedonthemeasurementofthevariationof itsphysiologicalcharacteristicsandorgans (lung,kidneyetc.),theeffectsofshockresponseand dama...
2012, 32(1): 103-107.
doi: 10.11883/1001-1455(2012)01-0103-05
Abstract:
Byusing3 mmthicktitanium TA2and26 mmthicknormalizedsteelQ345R,explosive weldingexperimentswereperformed,andthedynamicparameterswerestudied.Inlightofthecharactersofbondingareaofthecladplate, bondstrength (shearstrength)andthemetallurgicalstructuresofi...
Byusing3 mmthicktitanium TA2and26 mmthicknormalizedsteelQ345R,explosive weldingexperimentswereperformed,andthedynamicparameterswerestudied.Inlightofthecharactersofbondingareaofthecladplate, bondstrength (shearstrength)andthemetallurgicalstructuresofi...
2012, 32(1): 108-112.
doi: 10.11883/1001-1455(2012)01-0108-05
Abstract:
Inordertounderstandthe mechanism ofliquidfuelclouddetonation,theup-and-down methodandsoottracetechniquewereusedtostudytherelationshipbetweentheclouddetonationparameters( velocity,pressure,criticalinitiationenergyandcellwidth)andequivalenceratioexperi...
Inordertounderstandthe mechanism ofliquidfuelclouddetonation,theup-and-down methodandsoottracetechniquewereusedtostudytherelationshipbetweentheclouddetonationparameters( velocity,pressure,criticalinitiationenergyandcellwidth)andequivalenceratioexperi...
