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The 3rd notification of the 14th conference on Explosion Mechanics Notification of the 14th conference on Explosion Mechanics (supplement) Contributions wanted for the special issue: the Propagation of Waves Explosion and Shock Waves is in the 6th edition of the list of S&T Journals of China List of awrard by Explosion and Shock Waves in 2022 Notification of the 14th conference on Explosion Mechanics
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Volume 30 Issue 2
Nov.  2010
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Article Navigation >  Explosion And Shock Waves  > 2010  >  30(2): 197-202
JIN Jing, WU Xin-yue. Explosionshockdamageofstructuresassembledbyboltedjoints[J]. Explosion And Shock Waves, 2010, 30(2): 197-202. doi: 10.11883/1001-1455(2010)02-0197-06
Citation: JIN Jing, WU Xin-yue. Explosionshockdamageofstructuresassembledbyboltedjoints[J]. Explosion And Shock Waves, 2010, 30(2): 197-202. doi: 10.11883/1001-1455(2010)02-0197-06
shu

Explosionshockdamageofstructuresassembledbyboltedjoints

doi: 10.11883/1001-1455(2010)02-0197-06
  • 1.

    MechanicalEngineeringDepartment,NavalUniversityofEngineering,

Funds:

NationalDefensePre-researchFoundationofChina(4010106010303)

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  • Corresponding author: JIN Jing
  • Publish Date: 2010-03-25
    Abstract
  • Forcreatingacreditablemodelforboltjointdamage,theexplosionshockdamagebehaviors ofbolt-jointedstructureswereanalyzedbytheLS-DYNAcodeandamethodforestablishingsimple boltdamagemodelswasputforward.ThefiniteelementmodelofM24boltjointswasproposedand prestresswasaddedbydroppingtemperature.Thedeformabledamagebehaviorsoftheboltandboltnutjointswithprestressandwithoutprestresswerecalculatedbycombiningtheconstitutivem del forelastic-plasticmaterialsandthesurface-surfacecontactalgorithm.Basedonthecalculatedresults, theinfluencesofincidentshockwaveanglesandprestressmagnitudesonboltjointdamagebehaviors weresummarizedandasimplifieddamagemodelwasdevelopedforthestructuresassembledbybolted joints.Andsomeoptimizationschemeswerebroughtforwardforenhancingboltanti-shockability.
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