2012 Vol. 32, No. 4
Display Method:
2012, 32(4): 337-345.
doi: 10.11883/1001-1455(2012)04-0337-09
Abstract:
Inordertoinvestigatetheanti-penetrationmechanismandtherelationshipbetweendynamic behaviorandanti-perforationperformanceoffiberreinforcedpolymercomposites(FRP),theexperimentwhichspherefragmentsimulatedprojectilespenetratecompositelaminateswasconducted...
Inordertoinvestigatetheanti-penetrationmechanismandtherelationshipbetweendynamic behaviorandanti-perforationperformanceoffiberreinforcedpolymercomposites(FRP),theexperimentwhichspherefragmentsimulatedprojectilespenetratecompositelaminateswasconducted...
2012, 32(4): 346-354.
doi: 10.11883/1001-1455(2012)04-0346-09
Abstract:
Forinvestigatingthe mechanicalbehaviorandself-sharpeningoftungsten-fiber/metallic glass-matrixcompositematerial,quasi-statisticanddynamictestsaswellaspenetrationexperiments ofcompositematerialpenetratorsintosteeltargetsareconducted.Thenthefailuremode...
Forinvestigatingthe mechanicalbehaviorandself-sharpeningoftungsten-fiber/metallic glass-matrixcompositematerial,quasi-statisticanddynamictestsaswellaspenetrationexperiments ofcompositematerialpenetratorsintosteeltargetsareconducted.Thenthefailuremode...
2012, 32(4): 355-361.
doi: 10.11883/1001-1455(2012)04-0355-07
Abstract:
Liquidjetsformedwhenbubblescausedbyunderwaterexplosioncollapsecouldseriously threatenthelocalstrengthofwarships.Inordertostudythedamageeffectofvesselstructuresubjectedtobubblejet, aseriesofunderwaterexplosiontrialswereperformedbyusingatypicalcabinmod...
Liquidjetsformedwhenbubblescausedbyunderwaterexplosioncollapsecouldseriously threatenthelocalstrengthofwarships.Inordertostudythedamageeffectofvesselstructuresubjectedtobubblejet, aseriesofunderwaterexplosiontrialswereperformedbyusingatypicalcabinmod...
2012, 32(4): 362-367.
doi: 10.11883/1001-1455(2012)04-0362-06
Abstract:
Thispaperstudiesthedynamicbucklingproblemoftheflexibleelectroniccomponents,a stifffilmboundtoacompliantsubstrate.ThesubstrateandthefilmaredescribedbythesmalldeformationtheoryandtheKirchhoffplaneplatetheory, respectively.ALagrangefunctionofthefilm iso...
Thispaperstudiesthedynamicbucklingproblemoftheflexibleelectroniccomponents,a stifffilmboundtoacompliantsubstrate.ThesubstrateandthefilmaredescribedbythesmalldeformationtheoryandtheKirchhoffplaneplatetheory, respectively.ALagrangefunctionofthefilm iso...
2012, 32(4): 368-373.
doi: 10.11883/1001-1455(2012)04-0368-08
Abstract:
Toexplorethedeformationmodesofwarshipstructuressubjectedtoclose-rangeexplosionofwarheadandfurnishexperimentaldata,thedeformationanddamagemodesofclampedlargescalesquareplatesunderclose-rangeblastloadingwereanalyzedthroughmodelexperiments.Onthebasisoft...
Toexplorethedeformationmodesofwarshipstructuressubjectedtoclose-rangeexplosionofwarheadandfurnishexperimentaldata,thedeformationanddamagemodesofclampedlargescalesquareplatesunderclose-rangeblastloadingwereanalyzedthroughmodelexperiments.Onthebasisoft...
2012, 32(4): 376-383.
doi: 10.11883/1001-1455(2012)04-0376-08
Abstract:
Theprocessofrubbercompositearmorantishapedchargejetpenetratedwasdividedfour partsbasedonthejetdeformationwhentheshapedchargejetpenetratedtherubbercompositearmor. Theresultswereacquiredthattheinterferencespeedinterval,interferencefrequencyandsurpluspe...
Theprocessofrubbercompositearmorantishapedchargejetpenetratedwasdividedfour partsbasedonthejetdeformationwhentheshapedchargejetpenetratedtherubbercompositearmor. Theresultswereacquiredthattheinterferencespeedinterval,interferencefrequencyandsurpluspe...
2012, 32(4): 384-392.
doi: 10.11883/1001-1455(2012)04-0384-09
Abstract:
Anadaptiveaxisymmetricfiniteelementmethod(FEM)-smoothedparticlehydrodynamics (SPH)couplingalgorithmisproposedtoaccuratelyandefficientlysimulatehighvelocityimpactproblems. ItusesFEMtocalculateatthebeginning.Duringthedeformationprocess,itautomatically ...
Anadaptiveaxisymmetricfiniteelementmethod(FEM)-smoothedparticlehydrodynamics (SPH)couplingalgorithmisproposedtoaccuratelyandefficientlysimulatehighvelocityimpactproblems. ItusesFEMtocalculateatthebeginning.Duringthedeformationprocess,itautomatically ...
2012, 32(4): 393-398.
doi: 10.11883/1001-1455(2012)04-0393-06
Abstract:
Thedensityuniformityandthecorrespondingsizeeffectwereanalyzedfortwodifferent foamaluminum materials.Analyzedresultsshowthatthemorenon-uniformthedensitydistribution ofthefoamaluminum,themoresignificantthesizeeffect.Butifthedensitydistributionintervali...
Thedensityuniformityandthecorrespondingsizeeffectwereanalyzedfortwodifferent foamaluminum materials.Analyzedresultsshowthatthemorenon-uniformthedensitydistribution ofthefoamaluminum,themoresignificantthesizeeffect.Butifthedensitydistributionintervali...
2012, 32(4): 399-403.
doi: 10.11883/1001-1455(2012)04-0399-05
Abstract:
ThemesodeformationofthealuminumfoamspecimensimpactedbySHPBwassynchronouslycapturedbyusingahigh- speedcamera.Andthestraindistributionandfailuremodesofthe specimenswereanalyzed.Theinvestigationshowsthatthestraindistributioninthealuminumfoam specimensis...
ThemesodeformationofthealuminumfoamspecimensimpactedbySHPBwassynchronouslycapturedbyusingahigh- speedcamera.Andthestraindistributionandfailuremodesofthe specimenswereanalyzed.Theinvestigationshowsthatthestraindistributioninthealuminumfoam specimensis...
2012, 32(4): 404-410.
doi: 10.11883/1001-1455(2012)04-0404-07
Abstract:
DynamicfiniteelementsoftwareANSYS/LS-DYNA wasusedtosetupthefinefiniteelementmodelforKiewitt8single- layerreticulatedshellwithaspanof40msubjectedtoblastloading locatedatcentralpoint.Theselectionanddeterminationofmaterialparametersandconstitutivemodels...
DynamicfiniteelementsoftwareANSYS/LS-DYNA wasusedtosetupthefinefiniteelementmodelforKiewitt8single- layerreticulatedshellwithaspanof40msubjectedtoblastloading locatedatcentralpoint.Theselectionanddeterminationofmaterialparametersandconstitutivemodels...
2012, 32(4): 411-417.
doi: 10.11883/1001-1455(2012)04-0411-07
Abstract:
Aseriesofsingle-shotdetonationexperimentswereperformedtounderstandthematching characteristicsofwaveandflameinDDTforH2/airmixuresina60mmsquaretubethatwas2min length.Theion-probesandpressuretransducerswererespectivelyutilizedtogetthesignalofflame andwa...
Aseriesofsingle-shotdetonationexperimentswereperformedtounderstandthematching characteristicsofwaveandflameinDDTforH2/airmixuresina60mmsquaretubethatwas2min length.Theion-probesandpressuretransducerswererespectivelyutilizedtogetthesignalofflame andwa...
2012, 32(4): 418-422.
doi: 10.11883/1001-1455(2012)04-0418-05
Abstract:
Basedonnumericalsimulation,thedynamicresponseofhumanchestencounteringshockin freeblastfieldisinvestigated.CTImagesaretreatedusingthesoftwareofMimics,andthe3-Dmodelofhumanchestisestablished. Accordingtothecharacteristicsofeachbiologictissueinhuman che...
Basedonnumericalsimulation,thedynamicresponseofhumanchestencounteringshockin freeblastfieldisinvestigated.CTImagesaretreatedusingthesoftwareofMimics,andthe3-Dmodelofhumanchestisestablished. Accordingtothecharacteristicsofeachbiologictissueinhuman che...
2012, 32(4): 423-431.
doi: 10.11883/1001-1455(2012)04-0423-09
Abstract:
Dynamicmechanicalpropertiesofwater-saturatedrockunderuniaxialloadarehighlydifferentfromitsstaticmechanicalproperties, thereasonsofwhichcannotbeexplainedwellbasedon macro-mechanics.Accordingtomeso-mechanismofrockcompletestress-straincurveunderuniaxial...
Dynamicmechanicalpropertiesofwater-saturatedrockunderuniaxialloadarehighlydifferentfromitsstaticmechanicalproperties, thereasonsofwhichcannotbeexplainedwellbasedon macro-mechanics.Accordingtomeso-mechanismofrockcompletestress-straincurveunderuniaxial...
2012, 32(4): 432-438.
doi: 10.11883/1001-1455(2012)04-0432-07
Abstract:
Inordertopreventandcontrolindustrialdustexplosionandimprovetheaccuracyofdust explosiontests,anexperimentalresearchwascarriedouttohaveaninsightintotheexplosionbehaviorofhigh- andlow-volatiledustsinducedbydifferentignitionenergiesbyusingaSiwek20Lspheri...
Inordertopreventandcontrolindustrialdustexplosionandimprovetheaccuracyofdust explosiontests,anexperimentalresearchwascarriedouttohaveaninsightintotheexplosionbehaviorofhigh- andlow-volatiledustsinducedbydifferentignitionenergiesbyusingaSiwek20Lspheri...
2012, 32(4): 439-444.
doi: 10.11883/1001-1455(2012)04-0439-06
Abstract:
Aexperimentsofdownholeperforationandfracturingpressurelivetestbasedoncoppercylinderandcorrespondingp- tcurvesatthesametimewereperformed.A mathematicalmodelforcoppercylindergaugeswasdevelopedandobtainedtheanalyticalsolutionofitsworkingprocesswasobtain...
Aexperimentsofdownholeperforationandfracturingpressurelivetestbasedoncoppercylinderandcorrespondingp- tcurvesatthesametimewereperformed.A mathematicalmodelforcoppercylindergaugeswasdevelopedandobtainedtheanalyticalsolutionofitsworkingprocesswasobtain...
2012, 32(4): 445-448.
doi: 10.11883/1001-1455(2012)04-0445-04
Abstract:
Experimentalinvestigationonthelimitoxygenvolumefraction,explosionlimitandexplosionsuppressioneffectofmethanewascarriedoutbyaddingN2/ CO2 mixtureintomethane-airmixture. ResultsshowthatthelimitoxygenvolumefractiondecreaseslinearlywiththeincrementofN2 i...
Experimentalinvestigationonthelimitoxygenvolumefraction,explosionlimitandexplosionsuppressioneffectofmethanewascarriedoutbyaddingN2/ CO2 mixtureintomethane-airmixture. ResultsshowthatthelimitoxygenvolumefractiondecreaseslinearlywiththeincrementofN2 i...