基于多工况拓扑优化的航炮架体轻量化研究

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中图分类号：TH12 文献标志码：A 文章编号：2095-2945（2025）27-0009-06

Abstract：Inviewofthelightweightneedsofacertaintypeofaircraftgun'sfirepowercarierandthecurrentsituationthat thecurentmulti-operatingconditiontopologyoptimizationmodelfailstofullconsidertheconnectionrelationship，resultingin insufficient simulation accuracy，the overall technical plan of "finite element modeling + topology optimization + reliability verification"ConductdesignresearchonircraftgunFirst，asmallscalestructuredgridisdivided，andconnectionrelatioships suchasbindingandcontactarefullconsideredandahigh-precisionfiniteelementmodelisestablishedandsimulation calculationsarearidoutasasisfortopologoptimaion;thenftereoriginalplanistoroughlyeplord，arable densitymethodisusedtocombinethestructural stresssituation，carryoutsingleworkingconditiontopologyoptimizationofthe cradleandmultipleworkingconditionstopologyoptimizationofthecradle；Finally，anewconfigurationisobtainedthrough iterativedesign，thestrengthreliabityunderthesingle-shotfiringloadisevaluated，andthemulti-workingconditiontopology optimizationdesignandveificationofthearileryfirecarrerbodyarecompleted.Theresearchresultsshowthataftermultiworkingcondiontopologyoptimizationdesignandsimulation，theweightreductionofthefirecarierbodyisachievedbyore than 30% ，themaximumstressisstillocatedinthecradle，withthemaximumvalueof292MPa，andthestrengthsafetyfactor isstillarge，achievinglightweightingandfringstability.Basicallyunchanged.Thehigh-precisiontopologyoptimizationmodel designedandestablishedbythistechnicalschemeismobileandcanbeapliedtostructurallightweightresearchof various artillery equipment.

Keywords：finiteelement;topologyoptimization；load-bearingframe；multi-operatingconditionaireraftgunlightweight；high precision

航炮作为现代空中战场的重要武器装备，是立体攻防的致胜利器，可进行空对空及空对地射击，具备火力猛、射速快、经济性好等典型优势，在空军部队中大量装备，广泛应用在各类战争中。（剩余4668字）