截顶线性药型罩结构参量研究

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中图分类号：TJ410.3 文献标志码：A 文章编号：2095-2945（2025）28-0009-05

Abstract：Thelinerisanimportantcomponentthataffectstheformationofdamageelementsoflinearshapedcharges. Optimizing itsstructureisanimportantwaytoimprovethecutingpeformanceoflinearshapedcharges.Inthispaper， numericalsimulationmethodisusedtostudytheefectsofconeanglewallthicknessandtruncatedwidthofatruncatedlinear lineronthejetshape.Takingthethreestructuralparametersofthelinerasvariables，cutingdepthasevaluationcriterion，and basedontheprincipleoforthogonalexperiments，afiniteelementmodelofatruncatedlinearlinershapedchargecutinga 45"steeltargetisestablishedandsimulatedusingLS-Dynasoftware.Theresultsshowedthat，thejetformedbythetruncated linearlinerhastheadvantagesofsmallvelocitygradientandlargeheaddiameter，whichcanefectivelycutsteelmaterials.The coneangleofthelineristhemostimportantfactoraffectingthecuttngperformance，andthewallthicknessandtruncatedwidth aresecondaryfactors.Astheconeangle，wallthicknessandtruncatedwidthincrease，thecutingdepthfirstincreasesandthen decreases.The best truncated liner structure fora linear charge with a cross-sectionsize of 4O mm×40 mm is" θ=80∘ ，8=1.3 mm， ω=6mm′ ，andthe cuttingdepth for the 45"steel target at 40μs is 32.5mm

Keywords：liner; shaped charge；numerical simulation; orthogonal experiment; cutting

线性聚能装药（Linear Shaped Charge，LSC）是一种可形成薄片状毁伤元的聚能装药，可在低炸高的条件下切割材料，对影响其切割性能因素的研究一直是聚能装药领域研究的热点之一[I-3]。（剩余4465字）