2012 Vol. 32, No. 3
Display Method:
2012, 32(3): 225-230.
doi: 10.11883/1001-1455(2012)03-0225-06
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Abstract:
Theaxialstressandtheaxialdeformationofthechargeexplosiveinaprojectilewastheoreticallyanalyzedduringthepenetrationprocess. Thecorrespondingdistributionfunctionsalongtheaxis ofthechargeexplosivewereattainedbyconsideringtheelasticandplasticdeformationof...
Theaxialstressandtheaxialdeformationofthechargeexplosiveinaprojectilewastheoreticallyanalyzedduringthepenetrationprocess. Thecorrespondingdistributionfunctionsalongtheaxis ofthechargeexplosivewereattainedbyconsideringtheelasticandplasticdeformationof...
2012, 32(3): 231-236.
doi: 10.11883/1001-1455(2012)03-0231-06
Abstract:
Dynamicuniaxialcompressionandindirecttensile(Brazilian)testswereconductedforcertaintypicalplastic- bondedexplosivesonasplitHopkinsonpressurebar(SHPB),respectively.The stressequilibriumandconstantstrainrateoflowimpedancematerialswereachievedbyusingthe...
Dynamicuniaxialcompressionandindirecttensile(Brazilian)testswereconductedforcertaintypicalplastic- bondedexplosivesonasplitHopkinsonpressurebar(SHPB),respectively.The stressequilibriumandconstantstrainrateoflowimpedancematerialswereachievedbyusingthe...
Characteristiccurvemethodforanalyzingmovementofflyerplate
basedonuniversalequationofstateofexplosive
2012, 32(3): 237-242.
doi: 10.11883/1001-1455(2012)03-0237-06
Abstract:
Fromthephysicaldefinitionofperturbationpropagation(Machwaves),thecharacteristic equationsofatwo-dimensionalsupersonicflowwerededucedintotheformswhichwereuncorrelated withtheformulaofEOS.Meanwhile,anewPrantl-Meyerfunctionwasexpressedintoasimplevariabl...
Fromthephysicaldefinitionofperturbationpropagation(Machwaves),thecharacteristic equationsofatwo-dimensionalsupersonicflowwerededucedintotheformswhichwereuncorrelated withtheformulaofEOS.Meanwhile,anewPrantl-Meyerfunctionwasexpressedintoasimplevariabl...
2012, 32(3): 243-250.
doi: 10.11883/1001-1455(2012)03-0243-08
Abstract:
Theignition-growthreactivemodelandadesensitizingmodelwereintroducedintotheselfdevelopedtwo- dimensionalmulticomponentEulerianelastic-plastichydrodynamicscode(MEPH2Y), respectively.Numericalstudieswerecarriedoutonsomedetonativephenomenaincludingthesho...
Theignition-growthreactivemodelandadesensitizingmodelwereintroducedintotheselfdevelopedtwo- dimensionalmulticomponentEulerianelastic-plastichydrodynamicscode(MEPH2Y), respectively.Numericalstudieswerecarriedoutonsomedetonativephenomenaincludingthesho...
2012, 32(3): 251-258.
doi: 10.11883/1001-1455(2012)03-0251-08
Abstract:
Toidentifytheanti-explosionperformancesofreinforcedconcrete(RC)slabs,close-inexplosionexperimentswereconductedforsquareRCslabssupportedunidirectionally, inwhichtheRC slabswereloadedbyTNTcharges.BasedonthecommercialhydrocodeAUTODYN,athree-dimensionals...
Toidentifytheanti-explosionperformancesofreinforcedconcrete(RC)slabs,close-inexplosionexperimentswereconductedforsquareRCslabssupportedunidirectionally, inwhichtheRC slabswereloadedbyTNTcharges.BasedonthecommercialhydrocodeAUTODYN,athree-dimensionals...
2012, 32(3): 259-266.
doi: 10.11883/1001-1455(2012)03-0259-08
Abstract:
AdamageimagingmethodusingLambwaveandmatchingpursuitmethodforcontinuous on-linemonitoringofcompositewasproposed.First,asignalprocessingmethodisdevelopedusing matchingpursuits.ItcandecomposeLambsignalsintoalinearexpansionofseveralchirpletatoms withafas...
AdamageimagingmethodusingLambwaveandmatchingpursuitmethodforcontinuous on-linemonitoringofcompositewasproposed.First,asignalprocessingmethodisdevelopedusing matchingpursuits.ItcandecomposeLambsignalsintoalinearexpansionofseveralchirpletatoms withafas...
2012, 32(3): 267-272.
doi: 10.11883/1001-1455(2012)03-0267-06
Abstract:
Abstract:Undergroundexplosionexperimentswiththeexplosionequivalentof100kgTNTwereperformedindifferentgeologicalmediums, suchasloess,sand-gravelcompositeandgranite.Andthe correspondingsurfacegroundmotionsinducedbyundergroundexplosionswereobservedbyaser...
Abstract:Undergroundexplosionexperimentswiththeexplosionequivalentof100kgTNTwereperformedindifferentgeologicalmediums, suchasloess,sand-gravelcompositeandgranite.Andthe correspondingsurfacegroundmotionsinducedbyundergroundexplosionswereobservedbyaser...
2012, 32(3): 273-277.
doi: 10.11883/1001-1455(2012)03-0273-05
Abstract:
LiquidparaffinandRDXexplosiveweremixedintocopperacetateusedasaprecursor.The well-proportionedmixturewasinitiatedinadetonationreactioncontainerthatwasvacuumedtoprepareperfectsphericalnano- coppercrystalparticles.Themorphologyandcompositionofthedetonat...
LiquidparaffinandRDXexplosiveweremixedintocopperacetateusedasaprecursor.The well-proportionedmixturewasinitiatedinadetonationreactioncontainerthatwasvacuumedtoprepareperfectsphericalnano- coppercrystalparticles.Themorphologyandcompositionofthedetonat...
2012, 32(3): 278-282.
doi: 10.11883/1001-1455(2012)03-0278-05
Abstract:
Basedonthetwo-dimensionalaxisymmetricEulerequationscouplingwithchemicalreactions, thephenomenaofobliquedetonationinducedbyahypervelocityballinhydrogen-oxygen-nitrogen mixturewerenumericallystudiedbyusingwavepropagationalgorithm withSuperbeelimiter. T...
Basedonthetwo-dimensionalaxisymmetricEulerequationscouplingwithchemicalreactions, thephenomenaofobliquedetonationinducedbyahypervelocityballinhydrogen-oxygen-nitrogen mixturewerenumericallystudiedbyusingwavepropagationalgorithm withSuperbeelimiter. T...
2012, 32(3): 283-290.
doi: 10.11883/1001-1455(2012)03-0283-08
Abstract:
Accordingtothecharacteristicsoftransientplasmaejectorscreatedbyhypervelocityimpact, thesweepLangmuirprobe,thetripleLangmuirprobeandthecoilmeasurementsystemswere establishedtomeasuretheplasmacharacteristicparametersaswellasthemagneticinductionintensit...
Accordingtothecharacteristicsoftransientplasmaejectorscreatedbyhypervelocityimpact, thesweepLangmuirprobe,thetripleLangmuirprobeandthecoilmeasurementsystemswere establishedtomeasuretheplasmacharacteristicparametersaswellasthemagneticinductionintensit...
2012, 32(3): 291-296.
doi: 10.11883/1001-1455(2012)03-0291-06
Abstract:
Aimedathightemperatureandhighpressurecharacteristicsgeneratedfromtoroidalshock wavefocusing,adiscontinuousfiniteelementmethodwasusedtonumericallysimulatetoroidalshock wavefocusinginaco-axiscylindricaltube.Thesimulatedresultsindicatethatthediscontinuo...
Aimedathightemperatureandhighpressurecharacteristicsgeneratedfromtoroidalshock wavefocusing,adiscontinuousfiniteelementmethodwasusedtonumericallysimulatetoroidalshock wavefocusinginaco-axiscylindricaltube.Thesimulatedresultsindicatethatthediscontinuo...
2012, 32(3): 297-302.
doi: 10.11883/1001-1455(2012)03-0297-06
Abstract:
ByusinganelectronicuniversaltestingmachineandasplitHopkinsonpressurebardevice, aseriesofuniaxialcompressionexperimentswerecarriedouttoexplorethemechanicalbehaviorsofa 2DwovenC/SiCcompositeinthetemperaturerangefrom293to1273Kandthestrainraterange from1...
ByusinganelectronicuniversaltestingmachineandasplitHopkinsonpressurebardevice, aseriesofuniaxialcompressionexperimentswerecarriedouttoexplorethemechanicalbehaviorsofa 2DwovenC/SiCcompositeinthetemperaturerangefrom293to1273Kandthestrainraterange from1...
2012, 32(3): 303-308.
doi: 10.11883/1001-1455(2012)03-0303-06
Abstract:
Thegenerationcauseofimpactforceduringthemicro-detonationmachiningprocesswasintroduced. Themainprocessingparameterswereconfirmedby meansofsingle-factorexperiments. Basedonaboveparameters,anexponential-typeempiricalmodelforimpactforcewasbuiltbyemployin...
Thegenerationcauseofimpactforceduringthemicro-detonationmachiningprocesswasintroduced. Themainprocessingparameterswereconfirmedby meansofsingle-factorexperiments. Basedonaboveparameters,anexponential-typeempiricalmodelforimpactforcewasbuiltbyemployin...
2012, 32(3): 309-315.
doi: 10.11883/1001-1455(2012)03-0309-07
Abstract:
Basedontheexperimentaldataofanunderwatertargetsubjectedtounderwaterexplosion, thetime-frequencycharacteristicsofthemonitoredinterioraccelerationsignalswerestudiedbymeans ofwaveletanalysiswithhighresolvabilityandlocalization.Byusingthesesignals,theacc...
Basedontheexperimentaldataofanunderwatertargetsubjectedtounderwaterexplosion, thetime-frequencycharacteristicsofthemonitoredinterioraccelerationsignalswerestudiedbymeans ofwaveletanalysiswithhighresolvabilityandlocalization.Byusingthesesignals,theacc...
2012, 32(3): 316-322.
doi: 10.11883/1001-1455(2012)03-0316-07
Abstract:
Basedonthesmoothedparticlehydrodynamics(SPH)methodinLS-DYNAsoftware,the shapedchargejetprocesswassimulated.Andthemechanismoftheshapedchargejetwasdiscussed accordingtothenumericalsimulationresults.Toanalyzetheaccuracy,effectivenessandsuperiority about...
Basedonthesmoothedparticlehydrodynamics(SPH)methodinLS-DYNAsoftware,the shapedchargejetprocesswassimulated.Andthemechanismoftheshapedchargejetwasdiscussed accordingtothenumericalsimulationresults.Toanalyzetheaccuracy,effectivenessandsuperiority about...
2012, 32(3): 323-327.
doi: 10.11883/1001-1455(2012)03-0323-05
Abstract:
Inordertoobtaintheimpactparametersdominatingtheaccuracyandvalidityofgunrecoil simulationexperiments,thevirtualsimulationtestmodelforacertaingunwasdevelopedbasedon MSC.ADAMSsoftware.Andthedevelopedmodelwasappliedtonumericallysimulatethedynamic recoila...
Inordertoobtaintheimpactparametersdominatingtheaccuracyandvalidityofgunrecoil simulationexperiments,thevirtualsimulationtestmodelforacertaingunwasdevelopedbasedon MSC.ADAMSsoftware.Andthedevelopedmodelwasappliedtonumericallysimulatethedynamic recoila...
2012, 32(3): 328-332.
doi: 10.11883/1001-1455(2012)03-0328-05
Abstract:
TodevelopanignitionandgrowthreactionflowmodelforHNS-Ⅳexplosive,cylindertests wereconductedonHNS-ⅣexplosiveandtheexpansionprocessesofthecoppercylinderwallswererecordedbyaGSJhighspeedrotatingmirrorcamera, andparticlevelocitiesattheinterfacebetween HNS-...
TodevelopanignitionandgrowthreactionflowmodelforHNS-Ⅳexplosive,cylindertests wereconductedonHNS-ⅣexplosiveandtheexpansionprocessesofthecoppercylinderwallswererecordedbyaGSJhighspeedrotatingmirrorcamera, andparticlevelocitiesattheinterfacebetween HNS-...
2012, 32(3): 333-336.
doi: 10.11883/1001-1455(2012)03-0333-04
Abstract:
Drop-hammerloadexperimentswereperformedondifferentrocksamples.Bychangingthe drophammerweight,dropheightandpistonrodspacermaterial,transientshockpressurepulsesin therocksampleswererecordedbythepressuregauges.Experimentalresultsindicatethatthepropertie...
Drop-hammerloadexperimentswereperformedondifferentrocksamples.Bychangingthe drophammerweight,dropheightandpistonrodspacermaterial,transientshockpressurepulsesin therocksampleswererecordedbythepressuregauges.Experimentalresultsindicatethatthepropertie...
