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Introduction to Aircraft Structural Analysis (Elsevier Aerospace Engineering)

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  • CHAPTER 1 Basic Elasticity........................................................................... PART A FUNDAMENTALS OF STRUCTURALANALYSIS

    • 1.1 Stress..................................................................................................

    • 1.2 NotationforForcesandStresses...................................................................

    • 1.3 EquationsofEquilibrium...........................................................................

    • 1.4 PlaneStress...........................................................................................

    • 1.5 BoundaryConditions................................................................................

    • 1.6 DeterminationofStressesonInclinedPlanes....................................................

    • 1.7 PrincipalStresses....................................................................................

    • 1.8 Mohr’sCircleofStress..............................................................................

    • 1.9 Strain..................................................................................................

    • 1.10 CompatibilityEquations............................................................................

    • 1.11 PlaneStrain...........................................................................................

    • 1.12 DeterminationofStrainsonInclinedPlanes......................................................

    • 1.13 PrincipalStrains......................................................................................

    • 1.14 Mohr’sCircleofStrain..............................................................................

    • 1.15 Stress–StrainRelationships.........................................................................

    • 1.16 ExperimentalMeasurementofSurfaceStrains...................................................

      • Problems..............................................................................................





  • CHAPTER 2 Two-Dimensional Problems in Elasticity..............................................

    • 2.1 Two-DimensionalProblems........................................................................

    • 2.2 StressFunctions......................................................................................

    • 2.3 InverseandSemi-InverseMethods................................................................

    • 2.4 St.Venant’sPrinciple................................................................................

    • 2.5 Displacements........................................................................................

    • 2.6 BendingofanEnd-LoadedCantilever............................................................

      • Problems..............................................................................................





  • CHAPTER 3 Torsion of Solid Sections...............................................................

    • 3.1 PrandtlStressFunctionSolution...................................................................

    • 3.2 St.VenantWarpingFunctionSolution............................................................

    • 3.3 TheMembraneAnalogy............................................................................

    • 3.4 TorsionofaNarrowRectangularStrip............................................................

      • Problems..............................................................................................





  • CHAPTER 4 Virtual Work and Energy Methods.....................................................

    • 4.1 Work...................................................................................................

    • 4.2 PrincipleofVirtualWork...........................................................................

    • 4.3 ApplicationsofthePrincipleofVirtualWork....................................................

      • Problems..............................................................................................





  • CHAPTER 5 Energy Methods..........................................................................

    • 5.1 StrainEnergyandComplementaryEnergy.......................................................

    • 5.2 ThePrincipleoftheStationaryValueoftheTotalComplementaryEnergy..................

    • 5.3 ApplicationtoDeflectionProblems............................................................... iv Contents

    • 5.4 ApplicationtotheSolutionofStaticallyIndeterminateSystems...............................

    • 5.5 UnitLoadMethod...................................................................................

    • 5.6 FlexibilityMethod...................................................................................

    • 5.7 TotalPotentialEnergy...............................................................................

    • 5.8 ThePrincipleoftheStationaryValueoftheTotalPotentialEnergy...........................

    • 5.9 PrincipleofSuperposition..........................................................................

    • 5.10 TheReciprocalTheorem............................................................................

    • 5.11 TemperatureEffects.................................................................................

      • Problems..............................................................................................





  • CHAPTER 6 Matrix Methods...........................................................................

    • 6.1 Notation...............................................................................................

    • 6.2 StiffnessMatrixforanElasticSpring.............................................................

    • 6.3 StiffnessMatrixforTwoElasticSpringsinLine.................................................

    • 6.4 MatrixAnalysisofPin-jointedFrameworks......................................................

    • 6.5 ApplicationtoStaticallyIndeterminateFrameworks............................................

    • 6.6 MatrixAnalysisofSpaceFrames..................................................................

    • 6.7 StiffnessMatrixforaUniformBeam..............................................................

    • 6.8 FiniteElementMethodforContinuumStructures...............................................

      • Problems..............................................................................................





  • CHAPTER 7 Bending of Thin Plates..................................................................

    • 7.1 PureBendingofThinPlates........................................................................

    • 7.2 PlatesSubjectedtoBendingandTwisting........................................................

    • 7.3 PlatesSubjectedtoaDistributedTransverseLoad...............................................

    • 7.4 CombinedBendingandIn-PlaneLoadingofaThinRectangularPlate.......................

    • 7.5 BendingofThinPlatesHavingaSmallInitialCurvature.......................................

    • 7.6 EnergyMethodfortheBendingofThinPlates..................................................

      • Problems..............................................................................................





  • CHAPTER 8 Columns...................................................................................

    • 8.1 EulerBucklingofColumns.........................................................................

    • 8.2 InelasticBuckling....................................................................................

    • 8.3 EffectofInitialImperfections......................................................................

    • 8.4 StabilityofBeamsunderTransverseandAxialLoads..........................................

    • 8.5 EnergyMethodfortheCalculationofBucklingLoadsinColumns...........................

    • 8.6 Flexural–TorsionalBucklingofThin-WalledColumns.........................................

      • Problems..............................................................................................





  • CHAPTER 9 Thin Plates................................................................................

    • 9.1 BucklingofThinPlates.............................................................................

    • 9.2 InelasticBucklingofPlates.........................................................................

    • 9.3 ExperimentalDeterminationofCriticalLoadforaFlatPlate..................................

    • 9.4 LocalInstability......................................................................................

    • 9.5 InstabilityofStiffenedPanels......................................................................

    • 9.6 FailureStressinPlatesandStiffenedPanels......................................................

    • 9.7 TensionFieldBeams................................................................................

      • Problems..............................................................................................





  • CHAPTER 10 Materials.................................................................................. PART B ANALYSIS OF AIRCRAFTSTRUCTURES

    • 10.1 AluminumAlloys....................................................................................

    • 10.2 Steel...................................................................................................

    • 10.3 Titanium...............................................................................................

    • 10.4 Plastics................................................................................................

    • 10.5 Glass...................................................................................................

    • 10.6 CompositeMaterials.................................................................................

    • 10.7 PropertiesofMaterials..............................................................................

      • Problems..............................................................................................





  • CHAPTER 11 Structural Components of Aircraft.....................................................

    • 11.1 LoadsonStructuralComponents..................................................................

    • 11.2 FunctionofStructuralComponents................................................................

    • 11.3 FabricationofStructuralComponents.............................................................

    • 11.4 Connections...........................................................................................

      • Problems..............................................................................................





  • CHAPTER 12 Airworthiness.............................................................................

    • 12.1 FactorsofSafety-FlightEnvelope.................................................................

    • 12.2 LoadFactorDetermination.........................................................................



  • CHAPTER 13 Airframe Loads...........................................................................

    • 13.1 AircraftInertiaLoads................................................................................

    • 13.2 SymmetricManeuverLoads........................................................................

    • 13.3 NormalAccelerationsAssociatedwithVariousTypesofManeuver..........................

    • 13.4 GustLoads............................................................................................

      • Problems..............................................................................................





  • CHAPTER 14 Fatigue....................................................................................

    • 14.1 SafeLifeandFail-SafeStructures.................................................................

    • 14.2 DesigningAgainstFatigue..........................................................................

    • 14.3 FatigueStrengthofComponents...................................................................

    • 14.4 PredictionofAircraftFatigueLife.................................................................

    • 14.5 CrackPropagation...................................................................................

      • Problems..............................................................................................





  • CHAPTER 15 Bending of Open and Closed, Thin-Walled Beams...................................

    • 15.1 SymmetricalBending................................................................................

    • 15.2 UnsymmetricalBending............................................................................

    • 15.3 DeflectionsduetoBending.........................................................................

    • 15.4 CalculationofSectionProperties..................................................................

    • 15.5 ApplicabilityofBendingTheory...................................................................

    • 15.6 TemperatureEffects.................................................................................

      • Problems..............................................................................................





  • CHAPTER 16 Shear of Beams..........................................................................

    • andSingleCellClosedSectionThin-WalledBeams............................................ 16.1 GeneralStress,Strain,andDisplacementRelationshipsforOpen

    • 16.2 ShearofOpenSectionBeams......................................................................

    • 16.3 ShearofClosedSectionBeams.................................................................... vi Contents

      • Problems..............................................................................................





  • CHAPTER 17 Torsion of Beams........................................................................

    • 17.1 TorsionofClosedSectionBeams..................................................................

    • 17.2 TorsionofOpenSectionBeams....................................................................

      • Problems..............................................................................................





  • CHAPTER 18 Combined Open and Closed Section Beams..........................................

    • 18.1 Bending...............................................................................................

    • 18.2 Shear...................................................................................................

    • 18.3 Torsion................................................................................................

      • Problems..............................................................................................





  • CHAPTER 19 Structural Idealization..................................................................

    • 19.1 Principle...............................................................................................

    • 19.2 IdealizationofaPanel...............................................................................

    • 19.3 EffectofIdealizationontheAnalysisofOpenandClosedSectionBeams...................

    • 19.4 DeflectionofOpenandClosedSectionBeams..................................................

      • Problems..............................................................................................





  • CHAPTER 20 Wing Spars and Box Beams............................................................

    • 20.1 TaperedWingSpar...................................................................................

    • 20.2 OpenandClosedSectionBeams...................................................................

    • 20.3 BeamsHavingVariableStringerAreas............................................................

      • Problems..............................................................................................





  • CHAPTER 21 Fuselages.................................................................................

    • 21.1 Bending...............................................................................................

    • 21.2 Shear...................................................................................................

    • 21.3 Torsion................................................................................................

    • 21.4 CutoutsinFuselages.................................................................................

      • Problems..............................................................................................





  • CHAPTER 22 Wings......................................................................................

    • 22.1 Three-BoomShell...................................................................................

    • 22.2 Bending...............................................................................................

    • 22.3 Torsion................................................................................................

    • 22.4 Shear...................................................................................................

    • 22.5 ShearCenter..........................................................................................

    • 22.6 TaperedWings........................................................................................

    • 22.7 Deflections............................................................................................

    • 22.8 CutoutsinWings.....................................................................................

      • Problems..............................................................................................





  • CHAPTER 23 Fuselage Frames and Wing Ribs.......................................................

    • 23.1 PrinciplesofStiffener/WebConstruction.........................................................

    • 23.2 FuselageFrames.....................................................................................

    • 23.3 WingRibs.............................................................................................

      • Problems..............................................................................................



    • Index



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