Fatigue Test Scatter

Concept Of Accumulated Damage

Mean Stress Effect

Fatigue-Mean Stress Effect

Fatigue Stress Concentration

Stress Concentration , Stress Gradient

Fatigue Stress Concentration

Local Strain Approach

Fatigue Of Lugs, Case Study

Fatigue Of Joints

Fastener Load Distribution

Case Study

Cessna 172 Strut Lug And Joint Fatigue Analysis

Case Study - Stress Concentration,Manufacturing Flaws,Discrete Source Damage,Accurate Test Validation, Corrosion,WFD, Maintance Practices, QC, Threats To Structural Integrity

Understanding Stress Margins In Structural Integrity

Fatigue- Good Design Practices

Fatigue Load Spectrum - Introduction

Fatigue Load Spectrum - Regulatary Guidance, Flight profile,Load Factor

Typical Stress Levels Of The AirCraft

Fatigue Spectrum - Exceedance Curves

Fatigue Spectrum - Statistical Data For A320

Fatigue Spectrum - Exceedance Curves For Different Combact AirCraft

Standard Spectra

Stress History And Cycle Counting

Cumulative Damage - Palmgren-Miner Rule

Fatigue Spectrum - Case Study

Aspects Of Spectrum Development - GAG Cycle, Random VS Semi Random, Truncation,Omission, Testing, Validation,Summary

Simplified Spectrum For Fuselage

Introduction To Residual Strength

Static Factor Of Cracked, Notched Members

Stress Field At The Notch

Types Of Failures : Stress Field, Stress Field Effect On Failure , Stress Field At Notch

Failure Of Members With Cracks, Types Of Cracks

Stress Field At The Crack Tip, Static Failure Of Cracked Members

Fracture Toughness - Thickness Effect, Plain Stress And Strain - Transition Zone

Fracture Toughness

Members With Cracks , F-111 Accident

Plastic Zone Size

Crack Resistance Curve

Crack Propagation - Introduction

Types of Cracks, Stress Intensity Factor, Similitud, Stress Intensity Factor Estimation

Stress Intensity Factor And Its Physical Significance

Stress Intensity Factor(SIF)

Stress Intensity Factors For Corner Cracks

Stress Intensity Factor In Presence Of Stress Concentration

SIF & Influence Of Holes, Crack Propagation

A-N Curve , Silitude

Crack propagation, Test methods

Mean Stress Effect

Crack Growth Equations

Crack Growth In Multi Load Path Structures

Crack Growth In Stiffened Pannels

Case Study

Crack Surface - Striations

Crack Tip Opening Displacement

Crack Closure And Retardation

Implementation (Regulations & Compliance Demonstration)

Civil Vs Military Aviation Requirements

USAF F&DT Requirements Evoluation, Implementation- USAF ASIP

Civil Aviation F&DT Requirements Evaluation, Regulations

Means Of Compliance

Certification, Type Certificate, Certification And MRB Process

Instuctions For Continued Air Worthiness (ICA)

F&DT Evaluation - Case Study

Damage Tolerance Evaluation

Damage Tolerance Evaluation - Process

Damage Tolerance Evaluation -Analysis And Test

DT Evaluation - Inspection Threshold, Inspection Intervals, Types Of Inspections , Scope Of Inspection programme, Implementation - DT Evaluation SLP& MLP

Fatigue Safe Life Evaluation - Testing,Scatter Factor

F&DT Evaluation - Case Study Of Wing Strut Lug

Widespread Fatigue Damage ( WFD)

Limit Of Volidity( LOV)

FAR 26

Structural Tests, Full Scale Fatigue Testing FSFT-F35,FSFT A380

Case Study - Antenna Installation

Production Issues

Production Issues - F&DT Tolerance

Inservice Issues

Inservice Issues- Corrosion

Inservice Issues- Stress Corrosion

Inservice Issues- Fretting

Inservice Issues - Case Study Of B737

ALI,AD,SB

Sonic Fatigue

Residual Stresses