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Volume 32 Issue 6
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Article Navigation >  Explosion And Shock Waves  > 2012  >  32(6): 585-591
YUANJian-hong, ZHUXi, ZHANGZhen-hua. Dynamicbulkingofaring-stiffenedcylindricalshellsubjectedtounderwaterexplosiveloading[J]. Explosion And Shock Waves, 2012, 32(6): 585-591. doi: 10.11883/1001-1455(2012)06-0585-07
Citation: YUANJian-hong, ZHUXi, ZHANGZhen-hua. Dynamicbulkingofaring-stiffenedcylindricalshellsubjectedtounderwaterexplosiveloading[J]. Explosion And Shock Waves, 2012, 32(6): 585-591. doi: 10.11883/1001-1455(2012)06-0585-07
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Dynamicbulkingofaring-stiffenedcylindricalshellsubjectedtounderwaterexplosiveloading

doi: 10.11883/1001-1455(2012)06-0585-07
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    Departmentof NavalArchitectureandOceanEngineering,NavalUniversityofEngineering,

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  • Corresponding author: YUANJian-hong
  • Publish Date: 2012-11-25
    Abstract
  • Inordertoinvestigatetheelastic-plasticbulkingofasubmarine,anexistentsimplifiedmodelforasubmarine, namelythering-stiffenedcylindricalshell,waschosenasthesimulationobject, andafluid-solidcouplingmodelwasbuiltbyusingthenonlinear,explicittransientdynamiccode, MSC.Dytrantoexploretheelastic-plasticbulkingofthering-stiffenedcylindricalshellsubjectedto underwaterexplosionload.ThecriticaldynamicbulkingloadwasobtainedbyusingtheBudiansky- RothruleandtheSouthwellmethod.Andthefollowingfactorswerediscussed:loadintensity,mesh density,radius-to-thicknessratio,length-to-radiusratio,ribspacingandribsizewhichinfluencing thedynamicbucklingmodeandthecriticalbucklingloadofthering-stiffenedcylindricalshellsubjectedtounderwaterexplosiveloading. Thesimulatedresultsshowthatthebuiltfluid-solidcoupling modelcanbeusedtosimulatethedynamicbulkingofthering-stiffenedcylindricalshellbycombining MSC.Dytran.Andthemodelmeshsizeandthestructuralparametershaveacertaininfluenceonthe criticaldynamicbucklingload,inwhichtheradius-to-thicknessratiohasmoreobviousinfluence.
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