Preface
List of symbols
Chapter 1 Finite Element Method of Lines (FEMOL)
1.1 Introduction
1.2 Model Boundary Value Problem
1.3 Domain Partition
1.4 Element Mapping
1.5 Trial Functions
1.6 Global Energy Functional and Variational Equations
1.7 Implementation of ODE Solver
References
Chapter 2 Cracking Analysis of Fracture Mechanics by FEMOL
2.1 Introduction
2.2 Basic Description of FEMOL in Fracture Mechanics
2.3 Singular Line Element Mapping Technique in FEMOL
2.4 Application of FEMOL in Fracture Mechanics
2.5 SIF and Dimensionless COD Calculation
2.6 Conclusions
References
Chapter 3 3D Finite Bodies Analysis Containing Cracks Using FEMOL
3.1 Introduction
3.2 The Basic Processing Description of3D FEMOL
3.3 Basic Description of FEMOL in Fracture Mechanics
3.4 Singular Line Element Mapping Technique in FEMOL
3.5 Application of FEMOL in Fracture Mechanics ;
3.6 Conclusions
References
Chapter 4 First Order Reliability Method (FORM)
4.1 The First Order Reliability Method
4.2 Fatigue Reliability
4.3 Numerical Example to Illustrate Affect of POD
References
Chapter 5 Application to Weep Hole Cracks in C141 Wing
5.1 C141 Weep Hole Problem
5.2 Stress and SIF Analysis of C141 Weep Hole Configuration
5.3 Fit of Experimental and Neural Net POD Data
5.4 Fatigue Reliability Analysis of C141 Weep Hole Configuration
5.5 Estimates of Feasibility and Future Work
References
Chapter 6 Automated Ultrasonic Technique to Detect Fatigue Craeks
6.1 Introduction
6.2 Ultrasonic Technique
6.3 Equipment and Operator Interface
6.4 Validation Specimens
6.5 Field Demonstration
6.6 Laboratory Validation Tests
6.7 Blind Field Validation Tests
6.8 Summary and Discussion
References
Chapter 7 Techniques and Instrumentation for Structural Diagnostics
7.1 Introduction
7.2 Measurement Models
7.3 Laser-based Ultrasonics
7.4 Neural Networks
7.5 Integrated Microsensors
7.6 Probabilistic Fatigue Methods
7.7 Fatigue Reliability
7.8 Keynote Speakers
7.9 Direct Integration Method
7.10 Numerical Examples
7.11 Concluding Comment
References
Chapter 8 The Mechanic Behaviors of Rotating Disks
8.1 Elastic Analysis of Rotating Disks
8.2 Elastic-Plastic Analysis of Rotating Disk
References
Chapter 9 Large Deformation Analysis of Rotating Disk Using ,12
Deformation Theory
9.1 Theory Formation
9.2 Calculated Examples
9.3 The Bursting Speed of Rotating Disk
9.4 The Stress Distribution at Instability
9.5 The Elastic-Plastic Interface of Rotating Disk Using J2 Deformation Theory
9.6 Effect of Poisson's Ratio v and Hardening Modulus P
References
Chapter 10 The Burst Strength and Necking Behaviour of Rotating Disks
10.1 Introduction
10.2 Problem Formulation
10.3 Bifurcation Analysis
10.4 Behaviour of Imperfect Disks
10.5 Conclusions
10.6 Appendix: About Thin Rotating Ring
References
Chapter 11 Large Deformation Analysis for Rotating Disk Using J2
Flow Theory
Chapter 12 Calculated Analysis for Rotating Digk Using ABAQUS and ANSYS-
12.1 Analysis of Rotating Disk with Continuous Yield Material
12.2 Buckling and Bifurcation Analysis of Rotating Disk
12.3 Rotating Disk with Discontinuous Yield
12.4 ABAQUS Analysis of the True Minidisk
12.5 Instability Analysis of Minidisk Using ANSYS at Normal Temperature
References
Chapter 13 The Role of Discontinuous Yield of Material (Portevin-Le
Chatelier (PLC) Effect, Jerky Flow)
13.1 Jerky Flow, Discontinuous Yield Flow of Material
13.2 The Strain Rate Sensitivity (SRS) and Instability Criterion Description
13.3 Test Examples
13.4 Computer Simulation of PLC Effect
References
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