飞机结构设计目标1.

IntroductiontoEngineeringMechanicsDar-YunChiangObjectivesToprovideanintroductionof:※Fundamentalconcepts,※Generalprinciples,※Analysismethods,※FutureStudiesinEngineeringMechanics.Outline1.EngineeringMechanics2.FundamentalConcepts3.GeneralPrinciples4.StaticAnalysis5.DynamicAnalysis6.FutureStudies1.EngineeringMechanicsMechanics:-Rigid-bodyMechanics-Deformable-bodyMechanics-FluidMechanicsRigid-bodyMechanics:-Statics-DynamicsStatics–EquilibriumAnalysisofparticlesandbodiesDynamics–AcceleratedmotionofparticlesandbodiesKinematicsandKineticsMechanicsofMaterials…TheoryofVibration…1.EngineeringMechanics2.FundamentalsConceptsBasicQuantitiesLength,Mass,Time,ForceUnitsofMeasurementm,kg,s,N…(SI,Int.SystemofUnits)-DimensionalHomogeneity-SignificantFigures2.FundamentalsConceptsIdealizationsParticles–ConsidermassbutneglectsizeRigidBody–NeglectmaterialpropertiesConcentratedForceSupportsandReactions3.GeneralPrinciples-Newton’sLawsofMotionFirstLaw,SecondLaw,ThirdLawLawofGravitationalAttraction-D’AlembertPrinciple:F+(-ma)=0-ImpulseandMomentum-WorkandEnergy-PrincipleofVirtualWork(Equilibrium)4.StaticAnalysisForceandEquilibriumForceSystemResultantsStructuralAnalysisInternalforcesFrictionCentroidandMomentsofInertiaVirtualWorkandStability5.DynamicAnalysisKinematicsofaParticleKinetics:ForceandAccelerationWorkandEnergyImpulseandMomentum(Impact)PlanarKinematicsandKinetics3-DKinematicsandKineticsVibrations6.FutureStudies飛機結構設計目標1.成本及重量(CostandWeight)2.靜力強度(StaticStrength)3.耐久性(Durability)4.耐損傷性(DamageTolerance)5.耐振顫及振動性(FlutterandVibration)6.耐腐蝕性(CorrosionResistance)7.耐毀損性(Crashworthiness)8.維修及製造簡易性6.FutureStudies材料力學、高等材力、結構力學、彈性力學複合材料力學、破壞力學、連體力學、塑性力學黏彈性力學、板殼分析、結構穩定學、有限元素法流體力學、空氣動力學、熱力學、熱傳與燃燒…振動學、非線性振動學、混沌振動學高等動力學、結構動力學、隨機振動…數值分析、機率與統計、信號處理、智慧型計算最佳化分析、導航與控制、系統識別、…UltimateChallenge