2010 Vol. 30, No. 1
Display Method:
2010, 30(1): 1-6.
doi: 10.11883/1001-1455(2010)01-0001-06
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Abstract:
Aseriesofpenetrationtestsonconcretetargetsbysteelprojectilesatnormalincidencewere carriedoutbyusinghigh-velocitypenetrationequipments.Thepenetrationability,stabilityanddeformation/ fractureoftheprojectilesunderhigh-velocityimpactwereinvestigated.Itis...
Aseriesofpenetrationtestsonconcretetargetsbysteelprojectilesatnormalincidencewere carriedoutbyusinghigh-velocitypenetrationequipments.Thepenetrationability,stabilityanddeformation/ fractureoftheprojectilesunderhigh-velocityimpactwereinvestigated.Itis...
2010, 30(1): 7-11.
doi: 10.11883/1001-1455(2010)01-0007-05
Abstract:
Theequivalentstressesofhemisphericalshock-wavestrapstructurewerecalculatedbythe finiteelementprogramLS-DYNAfordifferentconstraintformsandcomparedwiththeexperimental results.Theresultsshowthatthestressconcentrationhappensontheshellneartheentranceandex...
Theequivalentstressesofhemisphericalshock-wavestrapstructurewerecalculatedbythe finiteelementprogramLS-DYNAfordifferentconstraintformsandcomparedwiththeexperimental results.Theresultsshowthatthestressconcentrationhappensontheshellneartheentranceandex...
2010, 30(1): 12-16.
doi: 10.11883/1001-1455(2010)01-0012-05
Abstract:
Theinitialstageofdetonationproductsdrivingwaterwastestedbyashadowphotography techniquewithahighspeedrotatingframecamera.Thephotographsoftheinterfacebetweendetonationproductsandwaterwereacquiredclearly. TestwassimulatedbyusingLS-DYNA.Theresults shownu...
Theinitialstageofdetonationproductsdrivingwaterwastestedbyashadowphotography techniquewithahighspeedrotatingframecamera.Thephotographsoftheinterfacebetweendetonationproductsandwaterwereacquiredclearly. TestwassimulatedbyusingLS-DYNA.Theresults shownu...
2010, 30(1): 17-20.
doi: 10.11883/1001-1455(2010)01-0017-04
Abstract:
WiththeL-J(Lennard-Jones12-6)potentialfunction,theshockHugoniotsofwaterwere calculatedbyusingVLWequationofstate.Thecalculationresultsagreewellwiththeexperimental datawhenthepotentialparameter/Kis120andb0is30.42.VLW EOScancharacterizetheshock Hugoniot...
WiththeL-J(Lennard-Jones12-6)potentialfunction,theshockHugoniotsofwaterwere calculatedbyusingVLWequationofstate.Thecalculationresultsagreewellwiththeexperimental datawhenthepotentialparameter/Kis120andb0is30.42.VLW EOScancharacterizetheshock Hugoniot...
2010, 30(1): 21-26.
doi: 10.11883/1001-1455(2010)01-0021-06
Abstract:
Vibrationattenuationandtopographiceffectweremonitoredneartheexplosionplaceof50t explosive.Basedontherecordedvibrationsignals,theattenuationsofverticalvelocityandaccelerationwereanalyzedwiththeSadauskasformula. Therapidattenuationofvibrationwasrelated...
Vibrationattenuationandtopographiceffectweremonitoredneartheexplosionplaceof50t explosive.Basedontherecordedvibrationsignals,theattenuationsofverticalvelocityandaccelerationwereanalyzedwiththeSadauskasformula. Therapidattenuationofvibrationwasrelated...
2010, 30(1): 27-32.
doi: 10.11883/1001-1455(2010)01-0027-06
Abstract:
Abstract:BytakingtheblastingexcavationoftheHongyanhenuclearpowerplantfoundationforexample, themechanicalpropertiesoftherockmasswereanalysedinthedifferentregionsofthenuclear islands,andthedamagedepthdifferencesoftherockmasswerediscussedfordifferentlay...
Abstract:BytakingtheblastingexcavationoftheHongyanhenuclearpowerplantfoundationforexample, themechanicalpropertiesoftherockmasswereanalysedinthedifferentregionsofthenuclear islands,andthedamagedepthdifferencesoftherockmasswerediscussedfordifferentlay...
2010, 30(1): 33-38.
doi: 10.11883/1001-1455(2010)01-0033-06
Abstract:
TheconventionalsplitHopkinsonpressurebar(SHPB)hassomelimitationswhenthespecimenissofttissue. The modificationsarenecessarytoensurethereliabilityofSHPBexperiment whichisbasedonone-dimensionalanduniformityassumptions.Pulseshaperswereusedtoachieve stres...
TheconventionalsplitHopkinsonpressurebar(SHPB)hassomelimitationswhenthespecimenissofttissue. The modificationsarenecessarytoensurethereliabilityofSHPBexperiment whichisbasedonone-dimensionalanduniformityassumptions.Pulseshaperswereusedtoachieve stres...
2010, 30(1): 39-44.
doi: 10.11883/1001-1455(2010)01-0039-06
Abstract:
TheparametersofJohnson-CookmodelweremodifiedforOFHCcopperbythedataofexpandingringexperiment. Thenumericalvelocityofringisconsistentwiththeexperimentalresult. Withthewidthofringincreasingunder8mm,thepeakvalueofvelocityincreases.However,while thewidthi...
TheparametersofJohnson-CookmodelweremodifiedforOFHCcopperbythedataofexpandingringexperiment. Thenumericalvelocityofringisconsistentwiththeexperimentalresult. Withthewidthofringincreasingunder8mm,thepeakvalueofvelocityincreases.However,while thewidthi...
2010, 30(1): 45-50.
doi: 10.11883/1001-1455(2010)01-0045-06
Abstract:
Aimattheproblemofannulusmulti-pointinitiationcircuitsappliedinmultimodeshaped charges,theLS-DYNAcodewasusedtoexploretheinitiationsynchronizationprecisionofsixpoints initiationcircuithowtoaffecttheparametersforthepenetratorsformation,suchasvelocityand...
Aimattheproblemofannulusmulti-pointinitiationcircuitsappliedinmultimodeshaped charges,theLS-DYNAcodewasusedtoexploretheinitiationsynchronizationprecisionofsixpoints initiationcircuithowtoaffecttheparametersforthepenetratorsformation,suchasvelocityand...
2010, 30(1): 51-57.
doi: 10.11883/1001-1455(2010)01-0051-07
Abstract:
Areactivepowerconcrete(RPC)shelterplatewasproposedtodevelopanewprotective technologyforresistingpenetrationweapons.Ballisticexperimentswiththeimpactvelocitiesof320~ 705m/swerecarriedoutbyusingsemi-armour-piercingprojectileswiththediameterof57mmtoinve...
Areactivepowerconcrete(RPC)shelterplatewasproposedtodevelopanewprotective technologyforresistingpenetrationweapons.Ballisticexperimentswiththeimpactvelocitiesof320~ 705m/swerecarriedoutbyusingsemi-armour-piercingprojectileswiththediameterof57mmtoinve...
2010, 30(1): 58-64.
doi: 10.11883/1001-1455(2010)01-0058-07
Abstract:
Basedonthenon-linearfinite-elementprocedureofLS-DYNA,theJohnson-Holmquist- Cook(JHC)modelwasadoptedtoinvestigatethedamageevolutionoftheconcreteneartheblasthole inthecasesofdifferentchargingstructuresanddifferentair-deckedratios.Thecalculationresultsf...
Basedonthenon-linearfinite-elementprocedureofLS-DYNA,theJohnson-Holmquist- Cook(JHC)modelwasadoptedtoinvestigatethedamageevolutionoftheconcreteneartheblasthole inthecasesofdifferentchargingstructuresanddifferentair-deckedratios.Thecalculationresultsf...
2010, 30(1): 65-69.
doi: 10.11883/1001-1455(2010)01-0065-05
Abstract:
Inordertoforecasttheoreticallythedeformationshapeofadeformabledirectionalwarhead onthegiveninitialconditions,thestructureofthedeformabledirectionalwarheadondeformingphase wassimplifiedasthesingle-layercylindricalshellwithadeformingcharge,andthecylind...
Inordertoforecasttheoreticallythedeformationshapeofadeformabledirectionalwarhead onthegiveninitialconditions,thestructureofthedeformabledirectionalwarheadondeformingphase wassimplifiedasthesingle-layercylindricalshellwithadeformingcharge,andthecylind...
2010, 30(1): 70-74.
doi: 10.11883/1001-1455(2010)01-0070-05
Abstract:
Theparametersoftheohmresistancemodelweredeterminedfromelectricexplosionexperimentsofsmallcopperfoilaccordingtotheexperimentalr sults.ByreferringtotheSesameEOSdata base,acalculationmethodforprocessoffoilelectricexplosionandflyerdrivingwasestablished,w...
Theparametersoftheohmresistancemodelweredeterminedfromelectricexplosionexperimentsofsmallcopperfoilaccordingtotheexperimentalr sults.ByreferringtotheSesameEOSdata base,acalculationmethodforprocessoffoilelectricexplosionandflyerdrivingwasestablished,w...
2010, 30(1): 75-79.
doi: 10.11883/1001-1455(2010)01-0075-05
Abstract:
Theshockinitiationthresholdundertheconditionof50%initiationprobabilitywasmeasuredforthecomposites, whichwerecomposedofnano-TATBandonesensitiveexplosive,underthe impactofathinplasticflayerplateacceleratedbyelectricallyexplodingfoils.Severalviewpointsw...
Theshockinitiationthresholdundertheconditionof50%initiationprobabilitywasmeasuredforthecomposites, whichwerecomposedofnano-TATBandonesensitiveexplosive,underthe impactofathinplasticflayerplateacceleratedbyelectricallyexplodingfoils.Severalviewpointsw...
2010, 30(1): 80-84.
doi: 10.11883/1001-1455(2010)01-0080-05
Abstract:
Anewmethodforvelocityprofiledataprocessingofupdatedinstantaneousdisplacementinterferometerisdevelopedinthispaper, whichmainlyaimsattheDPS(displacementpinsystem)in ChinaandPDV (photonDopplervelocimeter)inAmerica.Thismethodisbasedontheideaofrevivifying...
Anewmethodforvelocityprofiledataprocessingofupdatedinstantaneousdisplacementinterferometerisdevelopedinthispaper, whichmainlyaimsattheDPS(displacementpinsystem)in ChinaandPDV (photonDopplervelocimeter)inAmerica.Thismethodisbasedontheideaofrevivifying...
2010, 30(1): 85-90.
doi: 10.11883/1001-1455(2010)01-0085-06
Abstract:
Asamainenergyreleasefromunderwaterexplosion,blastcancauselocaldistortionofwarshipstructure, whereas,howthehullwillactagainstshockwavedeservesanadvancedresearch.The hullwassimplifiedasarigid,perfectlyplasticuniformbeamfloatingonwater.Theformulaofthe w...
Asamainenergyreleasefromunderwaterexplosion,blastcancauselocaldistortionofwarshipstructure, whereas,howthehullwillactagainstshockwavedeservesanadvancedresearch.The hullwassimplifiedasarigid,perfectlyplasticuniformbeamfloatingonwater.Theformulaofthe w...
2010, 30(1): 91-95.
doi: 10.11883/1001-1455(2010)01-0091-05
Abstract:
DOP(depthofpenetration)testswereperformedtostudytheballisticpenetrationcharacteristicsofconfinedAD95ceramictargetsbytungstenlongrods. Basedontheexperimentaldata,numericalsimulationsoftungstenlongrodspenetrationinto45steelandconfinedAD95ceramictargets...
DOP(depthofpenetration)testswereperformedtostudytheballisticpenetrationcharacteristicsofconfinedAD95ceramictargetsbytungstenlongrods. Basedontheexperimentaldata,numericalsimulationsoftungstenlongrodspenetrationinto45steelandconfinedAD95ceramictargets...
2010, 30(1): 96-100.
doi: 10.11883/1001-1455(2010)01-0096-05
Abstract:
BasedontheK- modelandtheimprovededdybreak-up(EBU)model,anewtheoretical modelwasestablishedtodescribethemethanejetdiffusioninducedbywellblowoutandthemethaneaircloudexplosion. Andthemethane-airclouddiffusionwasconsideredinthenew model.Byusing thenew mo...
BasedontheK- modelandtheimprovededdybreak-up(EBU)model,anewtheoretical modelwasestablishedtodescribethemethanejetdiffusioninducedbywellblowoutandthemethaneaircloudexplosion. Andthemethane-airclouddiffusionwasconsideredinthenew model.Byusing thenew mo...
2010, 30(1): 101-104.
doi: 10.11883/1001-1455(2010)01-0101-04
Abstract:
Loadingexperimentswerecarriedoutinalargeexplosionchamberunderdifferentconditions, andthestrainsandstressesatseveraltypicalpositionsweremeasuredbyanelectrictestmethod. Theexperimentalresultsshowthat:(1)Thestresspeakforthefirsttimeisthehighestatthe out...
Loadingexperimentswerecarriedoutinalargeexplosionchamberunderdifferentconditions, andthestrainsandstressesatseveraltypicalpositionsweremeasuredbyanelectrictestmethod. Theexperimentalresultsshowthat:(1)Thestresspeakforthefirsttimeisthehighestatthe out...
2010, 30(1): 105-108.
doi: 10.11883/1001-1455(2010)01-0105-04
Abstract:
Studyonthedynamicpropertyofmaterialsunderimpactloadingdependscloselyontheprogressofexperimentaltestingtechniques. Thepowergunwitha37-mm-diameterchamberwasusedas theloadingequipment,andK9glasswithinternalpreexisteddefectswaschosenasthesample.Under pla...
Studyonthedynamicpropertyofmaterialsunderimpactloadingdependscloselyontheprogressofexperimentaltestingtechniques. Thepowergunwitha37-mm-diameterchamberwasusedas theloadingequipment,andK9glasswithinternalpreexisteddefectswaschosenasthesample.Under pla...
2010, 30(1): 109-112.
doi: 10.11883/1001-1455(2010)01-0109-04
Abstract:
Anexperimentalapproachwaspresentedtoinvestigatedynamiccompressivebehaviorsof softmaterialsbyasplitHopkinsonpressurebar(SHPB)setupwithlateralconfinement.Inthedynamicexperiments, thespecimenwasconfinedinathin-walledmetallicsleeveandloadedaxiallybya spl...
Anexperimentalapproachwaspresentedtoinvestigatedynamiccompressivebehaviorsof softmaterialsbyasplitHopkinsonpressurebar(SHPB)setupwithlateralconfinement.Inthedynamicexperiments, thespecimenwasconfinedinathin-walledmetallicsleeveandloadedaxiallybya spl...
