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Article Navigation >  Explosion And Shock Waves  > 2012  >  32(6): 585-591
WANG Qinghua, GUO Weiguo, XU Feng, GAO Meng, WANG Zhihao. Synchronous and decoupling calibration of tri-axial impact force transducers based on a Hopkinson bar and an artificial neural network[J]. Explosion And Shock Waves, 2022, 42(10): 104101. doi: 10.11883/bzycj-2022-0015
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
shu

Dynamicbulkingofaring-stiffenedcylindricalshellsubjectedtounderwaterexplosiveloading

doi: 10.11883/1001-1455(2012)06-0585-07
  • 1.

    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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