预览加载中,请您耐心等待几秒...
1/2
2/2

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

某跟踪雷达天线座结构系统的有限元动、静力分析 Title:FiniteElementDynamicandStaticAnalysisofaTrackingRadarAntennaPedestalSystem Introduction: Theanalysisofthestructuralsystemofatrackingradarantennapedestaliscrucialforensuringitsstability,performance,andoperationalcapabilities.FiniteElementAnalysis(FEA)isapowerfultoolthatcanaccuratelysimulatethedynamicandstaticbehaviorofsuchsystems.ThispaperaimstopresentacomprehensivestudyonthedynamicandstaticanalysisofatrackingradarantennapedestalsystemusingtheFEAmethod. 1.SystemOverview: Thetrackingradarantennapedestalsystemconsistsofmultiplecomponents,includingthepedestalstructure,azimuthandelevationdrives,powertransmissionsystems,andtheantennaitself.Thesystemisresponsiblefortrackingtargetsinbothazimuthandelevationdirections,anditmustsupportandpositiontheantennaaccurately.Thefocusofthisstudyistoverifythestructuralintegrityandanalyzethedynamicbehaviorofthesystemunderdifferentoperationalconditions. 2.FiniteElementModeling: Toperformtheanalysis,a3Dfiniteelementmodeloftheantennapedestalsystemiscreatedusingsuitablesoftware,consideringallnecessarygeometricandmaterialproperties.Themodelincludeskeycomponentssuchasthepedestalandtheantennamountingstructure,aswellasthemotors,gears,andsupportingbeams.Eachcomponentisaccuratelyrepresentedwithappropriateelementsandconnections. 3.StaticAnalysis: Thestaticanalysisaimstodeterminethedeformations,stresses,anddisplacementsinthesystemunderstaticloads.Theloadsconsideredintheanalysisconsistoftheweightofthecomponents,windloads,andtheloadsduetotheantenna'smassandmoments.Byapplyingtheseloadstothefiniteelementmodel,theresultingdisplacements,stresses,anddeformationscanbeobtained.Thisanalysishelpsinassessingthestructuralstrengthandidentifyingcriticalareasthatmayrequirereinforcement. 4.DynamicAnalysis: Thedynamicanalysisfocusesontheresponseofthesystemtotime-varyingloadssuchasvibrationscausedbygroundmotionormechanicaldisturbances.Thesevibrationscanbedetrimentaltothetrackingaccuracyandstabilityoftheantennapedestalsystem.Byconsideringthe