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Lssueof‘HotSpot’inEnergeticMaterials:RecentProgressesofModelingandCalculations
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ZHONG Kai ,LIUJian,WANG Linyuan,ZHANG Chaoyang 1
(1.InstituteofChemicalMaterials,CAEP,Mianyang621999,China;2.SchoolofChemistryandChemicalEngineering,SouthwestPetroleum University,
Chengdu610500,China)
Abstract:Thehotspottheoryofenergeticmaterialsisofgreatsignificanceinunderstandingthemechanismsofsensitivityanddeto
nation,inwhichmodelingandcalculationmethodsarewidelyapplied.Wereviewedtherecentprogressinthehotspottheories
bymodelingandcalculations.Accordingtothemultiscalefeatureofthehotspots,theresearchprogressofAlienationFiniteEle
mentandHydrocodesonthemechanism ofhotspotformationinducedbymicrondefectsandfrictionisanalyzedonthemeso
scopicscale.Meanwhile,thatofmoleculardynamicssimulationsandabinitiocalculationsonthemechanism ofhotspotforma
tionbynanoscaledefectsandtheissuesofchemicalreactionsleadingtohotspotformationisanalyzedonthemicroscopicscale.
Thereby,thechallengesofcurrenthotspottheoreticalsimulationsareraised.Thesupplementofforcefieldsandcompositemateri
al’sconstitutiveequations,andtheelucidationofthermomechanicalchemicalcouplingmechanism inhotspotevolutionwillbe
theresearchtrendsinthefuture.
Keywords:energeticmaterial;hotpot;simulation;multiscale
CLCnumber:TJ55 Documentcode:A DOI:10.11943/j.issn.10069941.2018.01.002
ChineseJournalofEnergeticMaterials,Vol.26,No.1,2018(11 - 20) !"#$ www.energeticmaterials.org.cn