ESDU A-Z Index: LIG-LZ
- Effect on Buckling in Shear of Square Plates
- Non-Linear Systems
- use of describing functions to predict, 84009
- Supersonic Flow, 70012, 82020, AERO B.S.02.03.01, AERO W.S.00.03.03
- Unsteady Aerodynamics, 82020
- see
- Regression
- see also
- Control Systems
- Damping
- Dynamic Stability
- Application of Discrete or Continuous Forms of Kalman Filter
- measurement noise elimination from randomly-excited first-order, 88039
- multi-dimensional for randomly-excited multi-state, 88039
- Measures of Frequency Response
- crossover frequency, frequency range, stability margins and resonance, 80002
- Measures of Performance
- for steady-state or transient response, 80002
- performance indices, 80002
- Modes of Response and Determination of Dominant Mode, 80002
- Parameter Identification From Frequency Response Measurements, 90006, 93016
- determination of initial values from approximation to Nyquist diagram, 90006, 93016
- Parameter Identification in Absence of Process Noise
- least-squares minimisation including equation- and output-error methods, 87039
- maximum likelihood method, 88011
- Parameter Identification in Presence of Process Noise
- maximum likelihood method, 89032
- Response of First- and Second-Order Single Degree of Freedom
- graphs for various input functions, 69005
- Response of First- and Second-Order Two Degree of Freedom
- program to compute for arbitrary input, 82037
- Solution by Laplace Transform, 69025
- Calculation of Pin and Link Forces in Multi-Bar Planar
- comparison of static, kinetostatic and dynamic methods, 90022
- example equations for all classes of four bar mechanisms, 90022
- program for all classes of four bar mechanisms, 90022
- selection of appropriate method, 90022
- Design of Multi-Bar Planar Using OSMEC Program
- angular/linear accelerations and velocities, 97026
- bearing and driving forces, 97026
- cam, piston or trunnion-mounted ram actuated, 97026
- design from direct input or by editing provided models, 97026
- driving torque, 97026
- explanation of modelling procedures, 97026
- installation of OSMEC program, 97023
- using pivoted or sliding joints, springs and/or gears, 97026
- worked examples to illustrate process in practical cases, 98023
- Errors in Coupler and Rocker Angles Due to Changes in Link Length, 10019
- Four-bar Linkage Analysis Using Constraints Approach, 10019
- Library of 43 Multi-Bar Planar Linkage Models Within OSMEC Program
- suitable for editing to match user's input/output needs, 97026
- Link length tolerances on performance of four-bar linkages, 10019
- worked examples crank-rocker linkage and Ackermann steering linkage, 10019
- see
- Rotary Seals
- Use in Non-Destructive Examination for Flaws, 91027
- Dynamic and Kinematic Viscosity
- introductory Data Item, 68036
- Physical Properties
- see also
- Beams of Sandwich Construction
- Corrugated Plates
- Cylinders of Circular Section (Strength and Vibration)
- Faceplate Wrinkling
- Flat Panels in General
- Flat Panels with Fibre-Reinforced Unflanged Integral Stiffeners
- Flat Panels with Flanged Integral Stiffeners
- Flat Panels with Lipped or Unlipped Z-Section Stiffeners
- Flat Panels with Top-Hat Section Stiffeners
- Flat Panels with T-Section Integral Stiffeners
- Flat Panels with Unflanged Integral Stiffeners
- Flat Panels with Unlipped Z-Section Stiffeners
- Flat Sandwich Panels (Isotropic Cores)
- Flat Sandwich Panels (Truss Cores)
- Inter-Rivet Buckling
- Struts in General
- Struts of Channel Section
- Struts of Lipped or Unlipped Z-Section
- Struts of Sandwich Construction
- Struts of Tubular Section
- Sections Composed of Strips, 73007
- Section Number in Aerodynamics Series, 00001
- Section Number in Aircraft Noise Series, 00010
- Section Number in Fatigue - Endurance Data Series, 04017
- Section Number in Mechanisms Series, 00004
- Section Number in Performance Series, 99035
- Section Number in Structures Series, 00030
- Section Number in Transonic Aerodynamics Series, 99034
- Section Number in Tribology Series, 00005
- Section Number in Vibration and Acoustic Fatigue Series, 00011
- Introduction to Use for Curve Fitting or Data Analysis
- with or without a ramp function to represent discontinuous functions, 01011
- Wing/Flap/Nacelle Combination Submerged in Propeller Slipstream
- estimation for multi-propellers on straight wing, 88031
- see also
- Derivatives
- Dynamic Stability
- Condition for Constant Speed Static Stability for Flexible Aircraft, 96037
- relation with elevator manoeuvre margin, 96037
- Condition for Overall Static Stability for Flexible Aircraft, 96037
- relation with elevator trim margin, 96037
- Description of Modes of Longitudinal Motion and Effect of Aircraft Characteristics on Them
- phugoid and short-period oscillation, 86021, 92006
- Desirable Characteristics of Longitudinal Modes for Good Aircraft Handling Qualities, 92006
- Equations of Motion
- rigid aircraft, 67003, 86021
- separation of lateral/longitudinal sets and appropriate characteristic equations, 67003, 86021
- Estimation of Trim Drag and Choice of Datum Conditions, 97016
- Inertia Coupling of Longitudinal/Lateral Equations
- rapid rolling manoeuvre, 67005, 67006, 67007
- Information on the use of Data Items on the Longitudinal Stability of Aircraft, 13005
- Requirements for Damping and Frequency of Short-Period Oscillation
- for military aircraft handling, according to flight phase, 92006
- Requirements for Phugoid Damping and Speed Stability Characteristics
- for military aircraft, 92006
- Static
-
- see also
- Static Aeroelasticity
- definitions of manoeuvre and neutral points, 86021
- expressions for static and manoeuvre margins, 86021
- introduction to concept, 86021
- relationship between margins and dynamic stability, 86021
- Fluid Flow
-
- see
- Boiling Flow in Pipes
- Condensing Flow in Pipes
- Fouling
- Fouling in Combustion Plant
- Fouling in Cooling Water Systems
- Pressure Drop Across Obstructions in Ducts
- Pressure Drop Across Tube Banks
- Pressure Drop in Gas- or Vapour-Liquid Internal Flow
- Pressure Drop in Internal Flow
- Pressure Drop in Non-Newtonian Flow
- Pressure Drop in Shell-And-Tube Heat Exchangers
- Sudden Contractions in Ducts
- Sudden Expansions in Ducts
- Two-Phase (Gas- or Vapour-Liquid) Flow
- Vibrational Power Transmitted Between Coupled Curved or Flat Plates
- efficiency for direct coupling or coupling through a beam, 98020
- see also
- Damping
- see also
- Fretting Fatigue
- Fatigue Strength Under Axial Loading
- comparison of constant and variable amplitude loadings, 89046
- effect of alloy composition and heat treatment, 89046
- effect of different fastener types, heads and materials, 89046
- effect of fit and various interfay treatments, 89046
- effect of initial corner cracks, 89046
- effect of mean stress, 89046
- effect of plate thickness, 89046
- see also
- Steels
- Fatigue Crack Propagation Rate
-
- see also
- Crack Propagation
- characteristic slopes of plots against stress intensity factor, 81011
- effect of mean stress (or stress ratio), 81011
- effect of tensile stress, 81011
- in corrosive environment, 93033
- summary of available data, 23012
- Fatigue Crack Propagation Rate (Short Cracks)
- effect of alloy composition, 93033
- effect of mean stress (or stress ratio), 93033
- in corrosive environment, 93033
- Fatigue Limit Under Axial Loading
- effect of mean stress for unnotched specimens, 88008
- effect of notch size and type, 74016
- probability of attainment for unnotched specimens, 88008
- relationship with tensile strength for notched specimens, 74016
- relationship with tensile strength for unnotched specimens, 88008
- semi-range/mean stress diagram, 88008
- Fatigue Limit Under Bending
- effect of notch size and type, 74016
- probability of attainment for unnotched specimens, 88008
- relationship with tensile strength for notched specimens, 74016
- relationship with tensile strength for unnotched specimens, 88008
- Fatigue Limit Under Tension
- probability of attainment for unnotched specimens, 88008
- relationship with tensile strength for unnotched specimens, 88008
- Fracture Toughness
- variation with temperature, 83023
- Threshold Stress Intensity Factor Range, 81012
- effect of maximum stress intensity factor, 81012
- effect of mean stress (or stress ratio), 81012
- effect of tensile strength, 81012
- Composition and Contamination Conducive to Material Corrosion, 88018
- Guidance on Effect on Friction Coefficient, 89044
- Introduction to Viscosity Behaviour and Classification by Viscosity, 68036
- Petroleum Products
- effect of pressure on dynamic viscosity, 71003, 94017, 96002
- effect of temperature on kinematic viscosity, 71003
- typical values of density, 71003
- typical values of dynamic viscosity, 66024, 71003, 85027, 89045, 94017, 96002
- typical values of kinematic viscosity, 66024, 71003
- typical values of pressure exponent, 85027, 89045
- Solid Impregnated Metal Bearings
- Suitability of Various Dry Rubbing Bearing Materials for Use With
- carbon, polymer, solid lubricant impregnated metal, 87007
- Synthetic
- advantages and limitations, 94020
- decomposition and degradation, 94020
- flash points and spontaneous ignition temperatures, 94020
- oxidation limits, 94020
- relative costs, 94020
- resistance to nuclear radiation, 94020
- selection of most suitable, 94020
- temperature limits for selected life, 94020
- thermal stability limits, 94020
- typical values of density, 94020
- typical values of dynamic viscosity and pressure exponent, 85027, 89045, 94020
- typical values of kinematic viscosity, 66024
- typical values of specific heat capacity and thermal conductivity, 94020
- volatility, 94020
- see
- Lubricants
- see also
- Filters
- Reciprocating Seals
- Rotary Seals
- see also
- Fretting Fatigue
- Axially-Loaded Aluminium Alloy With Interference-Fit Pins, 84025
- effect of alloy composition and treatment, 84025
- effect of bushing hole, 84025
- effect of degree of interference, 84025
- effect of mean stress, 84025
- effect of size, 84025
- Axially-Loaded Aluminium Alloy With Push-Fit Pins, 80007
- effect of alloy composition, 80007
- effect of mean stress, 80007
- effect of size, 80007
- Axially-Loaded Steel With Clearance-Fit Pins, 82022
- effect of anti-fretting compounds and greases, 82022
- effect of clearance and side relief of pin, 82022
- effect of cold-working hole, 82022
- effect of material composition, 82022
- effect of mean stress, 82022
- effect of size, 82022
- effect of surface treatment and plating, 82022
- Axially-Loaded Titanium Alloy With Push-Fit Pins, 77017
- effect of alloy composition, 77017
- effect of bushing hole, 77017
- effect of cold working hole, 77017
- effect of mean stress, 77017
- Bush or Pin Interference in Joint Loaded Through Pin
- effect on alternating stresses, 84025
- Estimation From Fatigue Data for Other Types of Specimens
- interference- or push-fit pins, FAT A.05.02
- Axially-Loaded in Any Material
- effect of pin bending in double shear joint, 91008
- prediction of failure by overall permanent deformation, 91008
- prediction of failure by shear rupture or bearing permanent deformation, 91008
- prediction of failure by tensile rupture, 91008
- Non-Axially-Loaded Aluminium Alloy or Steel
- effect of pin bending in double shear joint, 91008
- prediction of failure by permanent deformation, 91008
- prediction of failure by rupture, 91008
- Axially-Loaded Round-Ended Waisted With Clearance-Fit Pins
- effect of clearance on position of maximum stress, 81006
- effect of geometry and slotted shank on stress concentration, 81006
- Axially-Loaded Round- or Square-Ended With Clearance-Fit Pins
-
- see also
- Pin Joints
- effect of clearance and lug thickness on stress concentration, 81006
- effect of clearance on position of maximum stress, 81006
- Axially-Loaded With Interference-Fit Bushes
- effect of adjacent interference-fit bush on maximum tensile stress, 71011
- interface pressure and maximum tensile stress, 71011
- Axially-Loaded With Interference-Fit Pins
- effect of adjacent interference-fit pin on maximum tensile stress, 71011
- maximum shear and tensile stresses, 71011
- Axially-Loaded With Interference- or Push-Fit Pins
- maximum shear stresses, 66011, FAT A.05.02