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ADAMS Vibration振動(dòng)分析模塊教程 內(nèi)容 了解模塊功能 了解Vibration與Linear模塊的區(qū)別 使用Vibration模塊進(jìn)行虛擬振動(dòng)試驗(yàn)及方案設(shè)計(jì) VibrationIssuesFacingEngineersandDesigners Howcomfortableisride whetherinautomobile airplane railcar oroff roadmachinery Willexcitationsinonepartofsysteminteractwithanotherpartofsystem Whenproblemsoccur howcantheybeisolated IndustryEffortsandMetrics GoodvibrationcharacteristicsarepurchasemotivatorandimprovecustomersatisfactionNeedgoodwaytomeasuredesignOptimumNVHoftenconflictswithotherattributessuchasdurabilityorvehicledynamicperformanceNeedwaytobalancecompetingrequirementsSignificanteffortspenttounderstandandquantifycustomerNVHrequirementsintoobjectivetermsanddefinespecifictestsrelatingtocustomereventsCurrentmethodsareexpensive IndustryEffortsandMetrics NVHinvolvesbothobjectiveandsubjectivedevelopmentPartofprocesscanbequantifiedwithanalyticaltoolsSuppliersmust tune theirsystems components rightthefirsttime toprototypevehicleorelsetheyareresponsibleforNVHresolutionNeedwaytostudysystemIssuesoftendiscoveredlateinprototypedevelopmentresultinmoneyandtimelossValueindesigningrightway TheNeed Awaytostudysystem levelvibrationsthesamewayyoucannowstudysystem levelmotionproblems muchfaster Solution ExtendScopeofVirtualPrototyping Motion Performance Safety Durability Fatigue Noise Vibration Takeyoursystemtodifferentoperatingpointstoanalyzevibratorybehavior withouthavingtocreatenewmodels Includeeffectsofhydraulics controls andothersubsystemsonvibrationcharacteristicsAnalyzesystemmodesincludingattachmentandothernonlinearcharacteristics ThreeReasonstoUseADAMS Vibration AnalyzeVibratoryBehaviorinDifferentConfigurations SatelliteExample SystemeigenvaluesshiftaccordingtoPaneldeploymentangleLockingconditionContactconditionActualspringratesThisshiftaffectsattitudecontrolmargin pointingjittermagnitude andstructuralloadingconditions AnalyzeVibratoryBehaviorinDifferentConfigurations RailcarExample SystemeigenvaluesshiftaccordingtoEquivalentconicitySuspensionstiffnessesDampercharacteristicsThisshiftaffectsrailcarstabilityandrunningcomfort IncludeEffectsofHydraulicsandControlsonSystemBehavior HydraulicsExample Applyinputvibrationtocontrolvalveandseeeffectatcylinderpressureandboommovementinfrequencyresponsefunctionplotsandanimations AnalyzeSystemModesIncludingAttachmentCharacteristics AutomotiveExample EnginemountdisplacementsduetocombustionforcesindependencyofEnginemountcharacteristicsEnginemountpositionFrequencydomainanalysishelpsdesignersimproveenginemountinstallations ADAMS Vibration11 0Capabilities FrequencydomaininputforcingfunctionsFrequencyresponsefunctioncalculationsModalparticipationtablesForcedvibrationanimationForcedvibrationplottingGeneratelinearsubsystems HowDoesItWork Simplified UnifiedApproach MotionorVibrationSimulationProcess Input Post Processing Solution TimeorFrequencyDomainInputs Plots Animation Tables othertimeandfrequencydata ADAMS VibrationWalk Through Step1Createinputchannels outputchannels andactuators Actuatorassociatedwithaninputchannel SplinedefinesPSD ADAMS VibrationWalk Through Step2Runanalysis Defineinputs outputstouse Defineoperatingpoint frequencyrange andsteps ADAMS VibrationWalk Through Step3Post processingSystemModesFrequencyResponseFunctionsPowerSpectralDensityModalParticipationTables 例子 衛(wèi)星振動(dòng)特性分析 例子 衛(wèi)星振動(dòng)特性分析 系統(tǒng)的模態(tài)分析 且模態(tài) 振型變化 例子 衛(wèi)星振動(dòng)特性分析 儀器的力學(xué)環(huán)境 例子 衛(wèi)星振動(dòng)特性分析 衛(wèi)星適配器剛度阻尼如何選取 回顧及問(wèn)題 了解模塊功能 了解Vibration與Linear模塊的區(qū)別 使用Vibration模塊進(jìn)行虛擬振動(dòng)試驗(yàn)及方案

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