XU Shuang-xi, WU Wei-guo, LI Xiao-bin, KONG Xiang-shao, HUANG Yan-ling. Falurecharacteristicsofaconicalprojectilepenetratingsinglestiffenedplate[J]. Explosion And Shock Waves, 2011, 31(1): 62-68. doi: 10.11883/1001-1455(2011)01-0062-07
| Citation:
|
XU Shuang-xi, WU Wei-guo, LI Xiao-bin, KONG Xiang-shao, HUANG Yan-ling. Falurecharacteristicsofaconicalprojectile
penetratingsinglestiffenedplate[J]. Explosion And Shock Waves, 2011, 31(1): 62-68. doi: 10.11883/1001-1455(2011)01-0062-07
|
XU Shuang-xi, WU Wei-guo, LI Xiao-bin, KONG Xiang-shao, HUANG Yan-ling. Falurecharacteristicsofaconicalprojectilepenetratingsinglestiffenedplate[J]. Explosion And Shock Waves, 2011, 31(1): 62-68. doi: 10.11883/1001-1455(2011)01-0062-07
| Citation:
|
XU Shuang-xi, WU Wei-guo, LI Xiao-bin, KONG Xiang-shao, HUANG Yan-ling. Falurecharacteristicsofaconicalprojectile
penetratingsinglestiffenedplate[J]. Explosion And Shock Waves, 2011, 31(1): 62-68. doi: 10.11883/1001-1455(2011)01-0062-07
|
Falurecharacteristicsofaconicalprojectile
penetratingsinglestiffenedplate
- 1.
SchoolofTransportation,WuhanUniversityofTechnology,Wuhan430063,Hubei,China;
- 2.
KeyLaboratoryof HighSpeedShipEngineering,MinistryofEducation,
More Information
- Corresponding author:
XU Shuang-xi
- Publish Date:
2011-01-25
-
Abstract
Inordertodeterminetheimpactdepthofaconicalprojectileimpactingsinglestiffenedplate
vertically,theresidualvelocityoftheprojectileafterpenetratingthestiffenedplatemustbeknown.
Theplugisformedaftertheconicalprojectilepenetratingthegrillageandthecrosssectionoftheplug
issimilartothatoftheconicalprojectile.Thepetalfailureisformedonthepanel.Bythesqueezeof
theconicalprojectile,thewebplateoccursplasticdeformationandthealarplatecausesturnover.
Basedonthefailuremodel,theenergyconsumptionmodeofthegrillagewasdetermined.Duringthe
perforationprocess,theenergyconsumptionofthegrillagewascompletedbysheardeformationofthe
plug,kineticenergyoftheplug,plasticextrudingdeformationofthegrillage,thepowerworkofthe
patels,thepropagationofradialcracksandpetalbending.Intheviewofenergy,theenergyformula
wasdeducedforeachenergydissipationmodeandtheenergyconsumedintheimpactprocesswasdetermined.
Theresidualvelocityandtheballisticlimitvelocityoftheprojectilewasdeducedbyenergy
conservationprinciple.Thecomparisonoftheresidualvelocitybetweentheanalyticalandthenumericalresultsisinexcellentagreement,
whichverifiestheaccuracyandreliabilityofthetheoreticalformula
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References
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