2010 Vol. 30, No. 4
Display Method:
2010, 30(4): 337-341.
doi: 10.11883/1001-1455(2010)04-0337-05
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Abstract:
Basedonthemulticomponentthree-dimensionalEulerequation,thephenomenaofrotating detonationintheannularcombustorweresimulatednumerically,andthethree-dimensionalstructure oftherotatingdetonationwaveandtheeffectsofthelateralrarefactionwavesonthedetonation...
Basedonthemulticomponentthree-dimensionalEulerequation,thephenomenaofrotating detonationintheannularcombustorweresimulatednumerically,andthethree-dimensionalstructure oftherotatingdetonationwaveandtheeffectsofthelateralrarefactionwavesonthedetonation...
2010, 30(4): 342-348.
doi: 10.11883/1001-1455(2010)04-0342-07
Abstract:
Thevolume-acceleration modelwasintroducedtodeterminetheinitialconditionsforthe motionofanunderwaterexplosionbubble.AsubcodewritteninFortranlanguagewasdevelopedto definetheinitialandboundaryconditionsforthefluidfield.Bycombiningthefiniteelementanalysi...
Thevolume-acceleration modelwasintroducedtodeterminetheinitialconditionsforthe motionofanunderwaterexplosionbubble.AsubcodewritteninFortranlanguagewasdevelopedto definetheinitialandboundaryconditionsforthefluidfield.Bycombiningthefiniteelementanalysi...
2010, 30(4): 349-354.
doi: 10.11883/1001-1455(2010)04-0349-06
Abstract:
Numericalsimulationswerecarriedouttoinvestigatethecharacteristicsofstandingoblique detonationwave(ODW)fordifferentMach6.8,7.0and7.5inletflowsoverawedgeof30turning angle.NumericalresultsshowashockwaveatMach6.8and7.0appearsatthedownstreamofthe triplepo...
Numericalsimulationswerecarriedouttoinvestigatethecharacteristicsofstandingoblique detonationwave(ODW)fordifferentMach6.8,7.0and7.5inletflowsoverawedgeof30turning angle.NumericalresultsshowashockwaveatMach6.8and7.0appearsatthedownstreamofthe triplepo...
2010, 30(4): 355-360.
doi: 10.11883/1001-1455(2010)04-0355-06
Abstract:
TheJohnson-Cookconstitutiverelationsanddamagemodelwereintroducedintothereproducingkernelparticle( RKP)method,andanewinterfacecalculationmethodandacollocationmethodwereproposedtosolvetheproblemsofinterfaceandglidingparticles, realizetheboundaryconditi...
TheJohnson-Cookconstitutiverelationsanddamagemodelwereintroducedintothereproducingkernelparticle( RKP)method,andanewinterfacecalculationmethodandacollocationmethodwereproposedtosolvetheproblemsofinterfaceandglidingparticles, realizetheboundaryconditi...
2010, 30(4): 361-369.
doi: 10.11883/1001-1455(2010)04-0361-09
Abstract:
IntegratedwithrelativeSHPBtests,theadiabaticsheardeformationofspecimenisobservedbasedonaseriesofnumericalsimulationsofSHPBtestusing921Asteelpureshearhat- shaped specimens.Theinitiationandthepropagationofanadiabaticshearband(ASB)andtherelativedistribu...
IntegratedwithrelativeSHPBtests,theadiabaticsheardeformationofspecimenisobservedbasedonaseriesofnumericalsimulationsofSHPBtestusing921Asteelpureshearhat- shaped specimens.Theinitiationandthepropagationofanadiabaticshearband(ASB)andtherelativedistribu...
2010, 30(4): 370-376.
doi: 10.11883/1001-1455(2010)04-0370-07
Abstract:
ByamendingtheSHOCKcodeintheFortranchemicalkineticspackage,CHEMKIN Ⅲ,a computationalmodelwasbuiltfortheshockwave-inducedgasexplosioninashocktube.And,the detailedreactionmechanismsinvolving53speciesand325reactionswereadoptedinthemodelabove. Thebuiltcom...
ByamendingtheSHOCKcodeintheFortranchemicalkineticspackage,CHEMKIN Ⅲ,a computationalmodelwasbuiltfortheshockwave-inducedgasexplosioninashocktube.And,the detailedreactionmechanismsinvolving53speciesand325reactionswereadoptedinthemodelabove. Thebuiltcom...
2010, 30(4): 377-382.
doi: 10.11883/1001-1455(2010)04-0377-06
Abstract:
Complexmeasuredvelocitysignalsofblastingvibrationaretransformedintothesuperpositionofseveralsimpleharmonicwavesbythewaveletpac etdecompositionandreconstructiontechniques. Inthisway,theproblemofstructuraldynamicresponseundertheactionofblastingvelocity...
Complexmeasuredvelocitysignalsofblastingvibrationaretransformedintothesuperpositionofseveralsimpleharmonicwavesbythewaveletpac etdecompositionandreconstructiontechniques. Inthisway,theproblemofstructuraldynamicresponseundertheactionofblastingvelocity...
2010, 30(4): 383-389.
doi: 10.11883/1001-1455(2010)04-0383-07
Abstract:
Toinvestigatethewavepropagationfeaturesinanisotropicmaterialsunderplane-strainconditions, anelastic-plasticconstitutivemodelwasconstructedbycombiningtheHookeslawofanisotropicmaterial, theTsai-Hillyieldcriterion,theclassicfundamentalprinciplesofplasti...
Toinvestigatethewavepropagationfeaturesinanisotropicmaterialsunderplane-strainconditions, anelastic-plasticconstitutivemodelwasconstructedbycombiningtheHookeslawofanisotropicmaterial, theTsai-Hillyieldcriterion,theclassicfundamentalprinciplesofplasti...
2010, 30(4): 390-394.
doi: 10.11883/1001-1455(2010)04-0390-05
Abstract:
Theexplosivepentaerythritoltetranitrate(PETN)wasproportionallymixedwithnickel/ cobaltnitrate,carbamide,andabsoluteethylalcoholtoobtainwatersolubleexplosives.Theobtained watersolubleexplosiveswereignitedbythedetonatorsundernitrogenprotectioninexplosio...
Theexplosivepentaerythritoltetranitrate(PETN)wasproportionallymixedwithnickel/ cobaltnitrate,carbamide,andabsoluteethylalcoholtoobtainwatersolubleexplosives.Theobtained watersolubleexplosiveswereignitedbythedetonatorsundernitrogenprotectioninexplosio...
2010, 30(4): 395-400.
doi: 10.11883/1001-1455(2010)04-0395-06
Abstract:
Aimedatfragmentpenetrationintofluidcabinbulkhead,atheoreticalanalysismodelwas establishedtoexplorethepenetrationprocessofwater-backedtargets.Basedontheenergyanalysis,a formulafortheresidualvelocityofthefragmentafterthewater-backedtargetpenetrationwas...
Aimedatfragmentpenetrationintofluidcabinbulkhead,atheoreticalanalysismodelwas establishedtoexplorethepenetrationprocessofwater-backedtargets.Basedontheenergyanalysis,a formulafortheresidualvelocityofthefragmentafterthewater-backedtargetpenetrationwas...
2010, 30(4): 401-406.
doi: 10.11883/1001-1455(2010)04-0401-06
Abstract:
ShandongProvincialKeyLaboratoryofCivilEngineeringDisasterPreventionand Mitigation, ShandongUniversityofScienceandTechnology,Qingdao266510,Shandong,China
ShandongProvincialKeyLaboratoryofCivilEngineeringDisasterPreventionand Mitigation, ShandongUniversityofScienceandTechnology,Qingdao266510,Shandong,China
2010, 30(4): 407-412.
doi: 10.11883/1001-1455(2010)04-0407-06
Abstract:
Themovablecellularautomata(MCA)methodwasimprovedandappliedtosimulatethe penetrationprocessoftungstenlongrodprojectilesinto27SiMnMotargetplates.Atanimpactvelocityof1000m/ s,thesimulatedresultsshowthatdifferentaspectratioscorrespondtodifferentmaximalpe...
Themovablecellularautomata(MCA)methodwasimprovedandappliedtosimulatethe penetrationprocessoftungstenlongrodprojectilesinto27SiMnMotargetplates.Atanimpactvelocityof1000m/ s,thesimulatedresultsshowthatdifferentaspectratioscorrespondtodifferentmaximalpe...
2010, 30(4): 413-418.
doi: 10.11883/1001-1455(2010)04-0413-06
Abstract:
Theexistentshot-lineconceptwasextendedbasedonthevisualC~(+ +)and Matlab codes.Acomputationalmethodwasdevelopedbysettingupthecomputationalmodelofthedamage fieldparameters,whichconsistingoftheinitialvelocity,dispersiondirection,velocityattenuation, and...
Theexistentshot-lineconceptwasextendedbasedonthevisualC~(+ +)and Matlab codes.Acomputationalmethodwasdevelopedbysettingupthecomputationalmodelofthedamage fieldparameters,whichconsistingoftheinitialvelocity,dispersiondirection,velocityattenuation, and...
2010, 30(4): 419-423.
doi: 10.11883/1001-1455(2010)04-0419-05
Abstract:
Aneffectivenumericalsolverwasdevelopedforcompressiblemulti-componentfluidflows bycombiningalevelsetmethodfortheinterfacetracking,aRunge-kuttadiscontinuousfiniteelement methodforthediscretizationoftheEulerequationsandasimplefixmethodforpreventingspuri...
Aneffectivenumericalsolverwasdevelopedforcompressiblemulti-componentfluidflows bycombiningalevelsetmethodfortheinterfacetracking,aRunge-kuttadiscontinuousfiniteelement methodforthediscretizationoftheEulerequationsandasimplefixmethodforpreventingspuri...
2010, 30(4): 424-428.
doi: 10.11883/1001-1455(2010)04-0424-05
Abstract:
AluminumfibrewasaddedintoTNTandRDXexplosives,respectively,tosynthesizecompositeexplosiveswiththealuminum- fibremassfractionof0.2.Airblastexperimentswereconducted inasteelexplosion-containmentvesseltoinvestigatetheeffectsofaluminumfibreontheexplosivee...
AluminumfibrewasaddedintoTNTandRDXexplosives,respectively,tosynthesizecompositeexplosiveswiththealuminum- fibremassfractionof0.2.Airblastexperimentswereconducted inasteelexplosion-containmentvesseltoinvestigatetheeffectsofaluminumfibreontheexplosivee...
2010, 30(4): 429-432.
doi: 10.11883/1001-1455(2010)04-0429-04
Abstract:
Therelativepositionsofincidentwave,transmission waveandreflection wavecanbe changedbytheself-developedprogram.Whentherelativepositionofthewavesisadjusted,theselfdevelopedprogramgivestwoimages. Oneimagedisplaysincident,transmission,reflectionwavesand ...
Therelativepositionsofincidentwave,transmission waveandreflection wavecanbe changedbytheself-developedprogram.Whentherelativepositionofthewavesisadjusted,theselfdevelopedprogramgivestwoimages. Oneimagedisplaysincident,transmission,reflectionwavesand ...
2010, 30(4): 433-438.
doi: 10.11883/1001-1455(2010)04-0433-06
Abstract:
Toexplorethedynamicmechanicalpropertiesofhardenedsteel(45HRC),quasi-staticand dynamiccompressionexperimentswereperformedinthetemperaturerangefrom20℃to800℃and thestrainraterangefrom10-3s-1to104s-1 byusinganelectronicuniversaltestingmachineanda splitHo...
Toexplorethedynamicmechanicalpropertiesofhardenedsteel(45HRC),quasi-staticand dynamiccompressionexperimentswereperformedinthetemperaturerangefrom20℃to800℃and thestrainraterangefrom10-3s-1to104s-1 byusinganelectronicuniversaltestingmachineanda splitHo...
2010, 30(4): 439-444.
doi: 10.11883/1001-1455(2010)04-0439-06
Abstract:
ThecompressivebehaviorsofapressedPTFE/AlenergeticcompositematerialwereexperimentallyinvestigatedbysplitHopkinsonpressurebarsandquasi- staticbehaviorsbyauniversaltestingmachineatroomtemperature. Stress-straincurvesofthematerialwereobtainedinthestrainr...
ThecompressivebehaviorsofapressedPTFE/AlenergeticcompositematerialwereexperimentallyinvestigatedbysplitHopkinsonpressurebarsandquasi- staticbehaviorsbyauniversaltestingmachineatroomtemperature. Stress-straincurvesofthematerialwereobtainedinthestrainr...
2010, 30(4): 445-448.
doi: 10.11883/1001-1455(2010)04-0445-04
Abstract:
Theexperimentalsamplewiththedimensionsof25mm50mmwasformedwitha4-mmthickness2205duplexstainlesssteel( DSS)plateastheflyerbaseanda20-mm-thichness16MnRsteel plateasthebaseplatebyexplosivecombination.Theflyerplateandbaseplateweretreatedwithdifferentmetho...
Theexperimentalsamplewiththedimensionsof25mm50mmwasformedwitha4-mmthickness2205duplexstainlesssteel( DSS)plateastheflyerbaseanda20-mm-thichness16MnRsteel plateasthebaseplatebyexplosivecombination.Theflyerplateandbaseplateweretreatedwithdifferentmetho...
