Application of Imaging Techniques to Mechanics of Materials and Structures, Volume 4

Name: Application of Imaging Techniques to Mechanics of Materials and Structures, Volume 4 | Proceedings of the 2010 Annual Conference on Experimental and Applied Mechanics
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Proceedings of the 2010 Annual Conference on Experimental and Applied Mechanics

Tom Proulx(Herausgeber*in)

Springer (Verlag)

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Erschienen am 15. August 2012

X, 462 Seiten

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Intro
Application of Imaging Techniques to Mechanics of Materials and Structures, Volume 4
Preface
Contents
Identification from full-field measurements: a promising perspective in experimental mechanics
ABSTRACT
INTRODUCTION
FULL-FIELD MEASUREMENT TECHNIQUES
Kinematical measurement
Thermal measurements
APPLICATIONS OF FULL-FIELD MEASUREMENT TECHNIQUES IN EXPERIMENTAL SOLID MECHANICS
IDENTIFICATION OF CONSTITUTIVE PARAMETERS FROM FULL-FIELD MEASUREMENTS
Statement of the problem
Model updating
Constitutive gap method
Equilibrium gap method
Virtual fields method
CONCLUSION
REFERENCES
Identification of Cohesive-Zone Laws from Crack-tip Deformation Fields
ABSTRACT
INVERSE PROBLEM OF COHESIVE ZONE MODEL
INTEGRATED APPROACH
Optical measurement of crack-tip deformation field
Numerical noise reduction in full-field data
Extracting cohesive zone laws of crazing
REFERENCES
Recovery of 3D stress intensity factors from surface full-field measurements
ABSTRACT
Three dimensional effects in linear fracture mechanics
Extending the fields inside the solid: the data completion method
Cauchy problem for the Elasticity operator:
Computation of 3D SIFs and energy release rates
Determination of 3D KIFs for a straight crack in a thick plate from surface displacements measurements
Conclusion
References
Characterization of aluminum alloys using a 3D full field measurement
ABSTRACT
INTRODUCTION
3D STRAIN FIELD RECONSTRUCTION
THEORETIC MODELS
PARAMETER IDENTIFICATION
CONCLUSION
REFERENCES
Low Strain Rate Measurements on Explosives Using DIC
Abstract
Introduction
Materials Tested
Instrumentation
Testing
Thermal Expansion Measurements
Poisson's Ratio Measurements
Axial-Torsion Testing
Tensile Creep
Summary
Acknowledgments
REFERENCES
Investigation on failure mechanisms of composite structures subjected to 3D state of stresses
ABSTRACT
1. INTRODUCTION
2. EXPERIMENTAL WORK
2.1 Specimen details
2.2 Experimental devices
2.3 Some experimental results on FPB tests
3. IDENTIFICATION OF THE OUT-OF-PLANE PROPERTIES
3.1 Identification of the out-of-plane tensile strength
3.2 Identification of the out-of-plane shear strength
4. CONCLUSIONS AND PERSPECTIVES
ACKNOWLEDGMENTS
REFERENCES
Structural damage assessment in fiber reinforced composites using image decomposition
ABSTRACT
INTRODUCTION
IMAGE DECOMPOSITION
SPECIMEN, EXPERIMENTAL SETUP AND METHOD
ZERNIKE MOMENTS
FOURIER DESCRIPTORS
FOURIER-ZERNIKE DESCRIPTORS
CONCLUSIONS
BIBLIOGRAPHY
Finite element Model matching based on optical measurement fields on single shear lap joint
Abstract
1. Introduction
2. Identification from measurements of mechanical fields
2.1. Presentation of the method
2.2. Experimental procedure
2.3. Manufacturing of specimens
2. Finite Elements Analysis
3. Results and discussion
4. Conclusion
References
Interaction between a dynamically growing crack with stiff and compliant inclusions using DIC and high-speed photography
ABSTRACT
Introduction
Experimental Approach
Sample Preparation and Geometry
Experimental Set-up and Testing Procedure
Experimental Results
Conclusions
Acknowledgements
References
Electron Micrographic Digital Image Correlation: Method Optimization and Microstructural banding Case Study
ABSTRACT
1. INTRODUCTION
2. OPTIMIZATION OF THE ELECTRON MICROGRAPHIC DIGITAL IMAGE CORRELATION METHODOLOGY
Surface Finish
SEM Imaging Settings
Image Correlation Settings
3. CASE STUDY: EMDIC ANALYSIS OF MICROSTRUCTURAL BANDING EFFECTS IN STEEL [6]
4. CONCLUSIONS
REFERENCES
Development of Multi-scale Deformation Measurement System for Solid Materials
ABSTRACT
1. INTRODUCTION
2. DIGITAL IMAGE CORRELATION
3. VERIFICATION FOR APPLYING INTACT SEM IMAGE TO DIC MEASUREMENT
3.1 Methods
3.1.1 Specimen and measurements for non-displacement
3.2 Results And Discussion
3.2.1 Displacement distribution at magnification 200X
3.2.2 Displacement distribution at magnification 5000X
4. PROPOSED NOVEL METHOD FOR APPLYING SEM IMAGE TO DIC MEASUREMENT
4.1 Elimination Method Of Random Noise
4.2 Elimination Method Of Drift
4.2.1 Measurement for the amount of drift during experiments
4.2.2 Prediction method of drift during experiment
4.2.3 Elimination of drift and random noise
5. CONCLUSIONS
REFERENCES
An Integrated Tool for Estimation of Material Model Parameters
ABSTRACT
1 An Integrated Tool for Full-field Measurements and Model Calibration
2 Experiment and Data Analysis
3 Finite Element Analysis and Material Models
3.1 Geometry, Mesh, and Boundary Conditions
3.2 Elastic Region
3.3 Plastic Region
4 Parameter Estimation for the Elastic Region
5 Parameter Estimation for the Plastic Region
6 Conclusions
Acknowledgement
References
Extended DIC to Measure Stress Intensity Factors from AFM-images
ABSTRACT
INTRODUCTION
EXPERIMENT
PRINCIPLE OF INTEGRATED DIC ANALYSIS
MODE I CRACK OUT-OF-PLANE DISPLACEMENT
ONE MICROMETER SIZE IMAGE ANALYSIS
200 nm SIZE IMAGE ANALYSIS
CONCLUSIONS
REFERENCES
Characterization of a structural adhesive by Digital Image Correlation
ABSTRACT
I) Context
II) Experimental set up
a) Specimen preparation
b) Loading devices
c) Geometries
d) Measurement techniques
III) Behaviour law
a) Tensile tests
b) Shear tests
c) Damage
IV) Failure
a) Tensile and notched tensile tests
b) Shear tests
V) Conclusions et perspectives
Acknowledgments
References
Measurement of Brain Biomechanics in vivo by Magnetic Resonance Imaging
ABSTRACT
INTRODUCTION
Tagged MR imaging
MR Elastography
METHODS AND RESULTS
Tagged MR imaging during motion of the skull
Analysis of tagged MR images
Results: Displacement and strain during angular acceleration of the skull
MR Elastography
Elastography imaging principles
Wave propagation and estimation of shear modulus in MRE
Experimental procedures for MR elastography
Gel samples
MRE imaging procedures
MRE studies in the mouse
MRE studies in human subjects
Elastography results
Shear waves in gel phantoms and mouse brain
SUMMARY AND DISCUSSION
Tagged MR imaging of displacement and strain due to skull acceleration
MRE for visualization of shear wave motion due to oscillatory pressure loading
CONCLUSION
REFERENCES
Magnetic Resonance Elastography of the Mouse Vitreous Humor In Vivo
ABSTRACT
INTRODUCTION
METHODS
RESULTS
DISCUSSION AND CONCLUSION
ACKNOWLEDGEMENTS
REFERENCES
Application of the Virtual Fields Method to Magnetic Resonance Elastography data
ABSTRACT
INTRODUCTION
EXPERIMENTAL SET-UP
Samples
Imaging
Preprocessing
RESULTS AND ANALYSIS
Results
Analysis
CONCLUSION
REFERENCES
Comparison of Dynamic Mechanical Testing and MR Elastography of Biomaterials
ABSTRACT
INTRODUCTION
METHODS
Gelatin Preparation:
Magnetic Resonance Elastography:
Dynamic Shear Test:
Unconfined Compression Test:
RESULTS
DISCUSSION & CONCLUSION
ACKNOWLEDGEMENT
REFERENCES
Back-directional Gated Spectroscopic Imaging for Nanoscale Deformation Analysis in Bone
ABSTRACT
A. Introduction
B. Materials and Methods
1. Back-directional gated spectroscopic imaging setup
2. Specimen preparation and mechanical loading setup
3. Numerical studies of backscattered spectra in one-dimensional layered media
C. Results and Discussions
D. Summary
Acknowledgments
References
Instruments to measure human feet using Reverse Engineering techniques
ABSTRACT
1. INTRODUCTION
2. METHODS
2.1 Silhouette
2.2 Laser
2.3 Multiple stereo vision
2.4 Data analysis
3. Results
4. Discussion
References
Characterization of Mechanochemically Active Polymers Using Combined Photoelasticity and Fluorescence Measurements
Abstract
1 Introduction
2 Experimental Methods
2.1 Birefringence due to polymer chain alignment
2.2 Fluorescence due to mechanophore activation
2.3 Hybrid experimental method
3 Preliminary Results for PMA-SP-PMA
3.1 Photoelasticity
3.2 Fluorescence
4 Conclusions
Acknowledgments
References
ESPI Measurements In the Presence of Large Lateral Displacements
Abstract
Introduction
Proposed ESPI Pixel Recorrelation Method
Experimental Apparatus
ESPI Decorrelation
Phase Independent DIC
ESPI Recorrelation Using DIC
Example Application
Conclusions
Acknowledgments
References
Micron-scale Residual Stress Measurement using Micro-hole Drilling and Digital Image Correlation
Abstract
1. Introduction
2. Materials and Methods
2.1. Sample preparation
2.2. Experimental procedure
2.3. Stress Reconstruction MethodThe analytical solution for the stress-
2.4. Regularisation
3. Uncertainty in Stress Determination
4. Results
4. Discussion
5. Conclusions
Acknowledgments
References
Studying the Effect of Residual Stresses on Fatigue Cracks through Full-field Methods
ABSTRACT
Introduction
Approach and Results
Conclusions
Acknowledgment
References
Rapid Imaging Tool for Residual Stress and Defect Quantification in MEMS and PV Applications
ABSTRACT
I. INTRODUCTION
II. INFRARED POLEIDOSCOPE PROTOTYPE
III. CANONICAL EXPERIMENTS
III.1. Dynamic Four-Point Bend Stress Measurements
III.2. Dynamic Disk in Compression Experiments
IV. APPLICATION EXPERIMENTS
IV.1. Defective wafer inspection
IV.2. Bonded semiconductor inspection
V. SUMMARY
ACKNOWLEDGEMENTS
REFERENCES
Surface Decoration for Improving the Accuracy of Displacement Measurements by Digital Image Correlation in SEM
Abstract
1. Introduction
2. Materials and Methods
2.1. Sample without surface decoration
2.2. Sample with YSZ nano particles
2.3. Sample with nano Pt dots
2.3.1. Sample with FIB assisted nano Pt dots
2.3.2. Sample with FEB assisted nano Pt dots
2.4. FEGSEM imaging
2.5. Digital Image Correlation
2.6. Image Acquisition for DIC
3. Results
4. Discussion
5. Conclusions
Acknowledgments
References
Heat source estimations to study the localized behaviour of superelastic NiTi shape memory alloys
ABSTRACT
INTRODUCTION
MATERIAL AND EXPERIMENTAL SETUP
EXAMPLE OF RESULTS
REFERENCES
On The Martensitic Transformation In SMA Under High Strain Rates
ABSTRACT
INTRODUCTION
EXPERIMENTAL TECHNIQUES
Specimen characteristics
Measurement of dynamic nominal stress-strain curve
Measurements of the heterogeneity of axial strain
ANALYSIS OF THE PROPAGATION VELOCITY OF THE MARTENSITIC TRANSFORMATION ON THE QUASISTATIC CASES
MEASUREMENT OF THE EFFECT OF PRESCRIBED VELOCITY ON THE SIM GROWTH RATE
RESULTS AND CONCLUSION
Pseudoelastic Shape Memory Alloy Cables
Introduction
Specimens and Experimental Setup
Results
Conclusions
Acknowledgments
References
Investigating an aluminum multi-crystal with full-field measurement techniques
ABSTRACT
INTRODUCTION
FULL-FIELD MEASUREMENT TECHNIQUES USED
Grid method
Temperature and heat source field determination with an infrared camera
SPECIMEN PREPARATION AND TESTING CONDITIONS
Specimen preparation
Testing conditions
TYPICAL RESULTS AND DISCUSSION
Strain maps. Comparison with FE results
CONCLUSION
REFERENCES
One-shot thermal and kinematic field measurements: Infra-Red Image Correlation
ABSTRACT
INTRODUCTION
CONTRASTED INFRA-RED IMAGES: SPECIMEN PREPARATION AND EXPERIMENTAL SETUP
TEMPERATURE CALIBRATION VIA COOLING TEST
INFRA-RED IMAGE CORRELATION EQUATIONS
APPLICATION: STRAIN AND TEMPERATURE LOCALIZATION IN SMA
Specific behavior of NiTi
Experimental procedure
Results and interpretation
CONCLUSION
Investigating the thermo-mechanical behavior of clutch facing materials using image processing techniques
ABSTRACT
1. INTRODUCTION
2. EXPERIMENTAL SETUP
2.1 Tensile testing
2.2 Infrared thermal imaging
2.3 Digital image correlation
3. THERMAL EFFECTS OF DAMAGE AND CRACKING
4. STRAIN FIELD MEASUREMENT DURING TENSILE TEST
5. CONCLISION
Acknowledgements
Reference
Vibration Excitation Methods Applied to Digital Shearography and ESPI
Abstract
Introduction
Theory
Results
vibration stressing
Conclusion
References
Experimental Studies of Phase Transformation in Shape Memory Alloys
ABSTRACT
EXPERIMENTAL METHODOLOGY
RESULTS AND DISCUSSION
CONCLUSIONS
ACKNOWLEDGEMENTS
Sources of systematic errors in the determination of heterogeneous strain fields obtained via DIC.
ABSTRACT
1 Introduction
2 Formalism
3 Results
4 Conclusions
References
Dynamic Response of Curved Beams Using 3D Digital Image Correlation
ABSTRACT
INTRODUCTION
Digital Image Correlation
EXPERIMENTAL
Test Article
Experimental Apparatus
3D DIC Calibration
RESULTS AND DISCUSSION
Boundary Conditions
Out-of-Plane Displacement at Resonance
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
Application of High Speed Digital Image Correlation for Vibration Mode Shape Analysis
ABSTRACT
INTRODUCTION
PRINCIPLES OF DIGITAL IMAGE CORRELATION
CALIBRATION
ACQUISITIONDepending on the
EVALUATION
APPLICATIONS
VIBRATION OF A MEMBRANE
IMPACT TESTING
NOISE EXCITATION
CONCLUSION
REFERENCES
Experimental validation of equations for 2D DIC uncertainty quantification
ABSTRACT
1. INTRODUCTION
2. 2D UNCERTAINTY QUANTIFICATION
2.1. 2D interpolation for intensity pattern reconstruction
2.2. Discussion of the bias and variance results
3. 2D NUMERICAL SIMULATION RESULTS
3.1. Error surfaces for heterogeneous patterns
3.2. Error surfaces for patterns with homogeneous patterns
4. EXPERIMENTAL VERIFICATION
4.1. Prosilica 2D experimental setup
4.2. Prosilica 2D experimental results
5. CONCLUSIONS
5.1. Summary of 2D results
ACKNOWLEDGEMENTS
5. CONCLUSIONS
6. REFERENCES
High Performance Digital Volume Correlation
ABSTRACT
1 Introduction
2 Problem Statement
3 Experimental Setup
4 Interpolation
5 Scaling to Large Problems
6 Results
7 Summary
8 Acknowledgments
References
Digital X-ray tomography Volume Correlation of Rock Wool During Compression
Introduction
Material and experiment
Results
References
Recent progress in digital image correlation
Abstract
1. Introduction
2. What is a good speckle pattern for DIC?
3. Equivalence of the correlation criteria used for pattern matching
3.1 From ZNSSD criterion to ZNCC criterion
3.2 From PSSD criterion to ZNCC criterion
4. Genuine full-field deformation measurement with reliability-guided DIC
4.1 Modified correlation criterion for boundary points
4.2 Reliability-guided digital image correlation
4.3 Experimental verification
5. Conclusion
References
Analysis of Fractured Samples with Digital Volume Correlation
ABSTRACT
INTRODUCTION
MATERIAL AND METHODS
DIGITAL VOLUME CORRELATION
RESULTS AND ANALYSIS
ACKNOWLEDGMENTS
REFERENCES
Long term condition monitoring of tapestries using image correlation
ABSTRACT
1. Introduction
2. The tapestry and test set-up
3. Controlled humidity experiments
4. Continual in-situ monitoring in uncontrolled humidity
5. Definition of empirical models
6. Conclusions
Acknowledgements
References
An Inverse Method for Analyzing Defects in Heterogeneous Materials
ABSTRACT
INTRODUCTIO
METHODS
RESULTS AND DISCUSSION
CONCLUSION
REFERENCES
Variation of Paper Curl due to Fiber Orientation
ABSTRACT
1. Introduction
2. Background
3. Laminate Preparation
4. Specimen Configuration
5. Deflection Measurements and Their Processing
6. Results
7. Summary, Discussion and Conclusions
Acknowledgment
References
A MOIRÉ-DEFLECTOMETRY BASED BULGE/CONTACT TEST FOR TRANSPARENT THIN FILMS
OOF3D: An Image-Based Finite Element Solver for Materials Science
1 Introduction
2 3D Image-based Meshing
2.1 Mesh Quality
2.2 Adaptive Methods
2.2.1 Snap Nodes
2.2.2 Refine and Snap Refine
2.2.3 Rationalize
3 Trabecular Bone
4 Conclusion
5 Acknowledgments
References
Prediction of Landslide by Displacement Measurement using Sampling Moiré Method
Abstract
INTRODUCTION
PRINCIPLE OF SAMPLING MOIRE METHOD
EXPERIMENTS AND RESULTS
Close Range Experiment
Experimental Setup
Experimental Results
Middle Range Experiment
Experimental Setup
Experimental Results
Long Range Experiment
Experimental Setup
Experimental Results
CONCLUSIONS
REFERENCES
INVESTIGATION OF THE COATING PARAMETERS FOR THE LUMINESCENT PHOTOELASTIC COATING TECHNIQUE
ABSTRACT
1. INTRODUCTION
2. THEORY
3. EXPERIMENTS and CALIBRATION PROCEDURES
4. FACTORS AFFECTING THE COATING PARAMETERS
4.1. Surface Inclination Effect
4.2. Other Effects
5. STRAIN SEPARATION
6. CONCLUSIONThe OSR of the LPC technique is modeled as a nonlinear function of
7. ACKNOWLEDGEMENTS
8. REFERENCES
Highly Compact and Robust 3D Imaging and Shape Measurement System
ABSTRACT
INTRODUCTION
1. SYSTEM DESIGN
1.1. Portable, Dedicated and Compact Projecting System with DLP Pico Projector and Beagleboard
1.2. USB Camera/ Webcam for Capturing
2. 3D DETERMINATION ALGORITHM
2.1. Phase-Shifted Patterns with Gamma Correction
2.2. 3D Shape Determination Algorithm
2.3. Multiple Frequency Approach for Phase Detection
2.4. Least-squares Inverse Approach for System Calibration
3. EXPERIMENTS
4. CONCLUSION
ACKNOWLEDGMENTS
REFERENCES
Experimental Limitations of Phase Shifting Interferometry
Abstract
1. Introduction
2. Five Frame Sequence for PSI
3. Experimental Details
4. Results and Discussion
5. Conclusions
6. Acknowledgments
References
Mechanical Characterization and Modeling of X- and K-cor Composites
Abstract
I. Specimen Fabrication
II. Modeling
Finite Element Specimen Model
3. Experimental Results and Comparison with FEA Simulation for Three-point Bending
3. Three Point Bend Failure Modes
4. Effects of Incremental Damage in Three-point Bending
4. Effects of Incremental Damage in Three-point Bending
5. Conclusions
Novel Insert Design for Thick Single Lap Bolted Composite Joints
ABSTRACT
INTRODUCTION
EXPERIMENTAL METHODS
RESULTS FROM DIGITAL IMAGE CORRELATION
FAILURE RESULTS
DISCUSSION
CONCLUSION
REFERENCES
Smoothing Measured Displacements and Computing Strains Utilizing Finite Element Method
ABSTRACT
INTRODUCTION
SMOOTHING DISPLACEMENTS AND COMPUTING STRAINS
HYBRID ANALYSIS
VERIFICATION BY SIMULATION
CONCLUSIONS
REFERENCES
Diagnostic Use of Digital Image Correlation in High-Speed, Explosive Experimets
ABSTRACT
INTRODUCTION
EXPERIMENTS
Small Aquarium Series: Set-up and Tank Configuration
Large Aquarium Series: Set-up and Tank Configuration
RESULTS
DISCUSSION
SUMMARY
AKNOWLEDGEMENTS
REFERENCES
RESULTS
Dynamic Deformation of Copper-Jacketed Lead Bullets Captured By High Speed Digital Image Correlation
ABSTRACT
INTRODUCTION
EXPERIMENTAL AND NUMERICAL METHODS
Kolsky Bar Direct Impact Test
Digital Image Correlation
Finite element model
Objective Functions for DOE calculations
RESULTS
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
High Speed Imaging in Dynamic Tensile Testing of Fabric-Cement Composites
ABSTRACT
1. Introduction
2. High Speed Tensile Test Methodology
2.1 Dynamic Tensile Test Procedure
2.2 Data Processing
3. Experimental
3.1 Materials
3.2 Mechanical behavior of composites under high speed loading
3.3 Cracking and Failure Behavior
4. Conclusions
Acknowledgements
Reference
Ultra high speed DIC on a three point bending test mounted on a Hopkinson bar
ABSTRACT
INTRODUCTION
EXPERIMENTAL SET-UP
Mechanical set-up
Image capturing and processing
Performance evaluation
RESULTS AND ANALYSIS
Force reconstruction
Discussion
CONCLUSION
REFERENCES

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