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Article
High speed stereo-vision study of laminated glass fragmentation upon impact
The different stages of an impact on laminated glass are difficult to observe and quantify but are essential for numerical model validation. To assess the performance of this composite to low-velocity ( ...
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Article
Open AccessMeasuring acceleration fields via regularized digital image correlation
Digital image correlation (DIC) is a full-field measurement technique. In instantaneous approaches (i.e., registering two images), DIC only gives access to displacement (or velocity) fields. Consequently, acce...
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Article
Open AccessMeasurement of 1–10 Hz 3D vibration modes with a CT-scanner
A new in situ vibration mode measurement method within a tomograph is proposed based on Projection-based Digital Volume Correlation techniques. Several projection angles are selected and a large number of radi...
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Chapter and Conference Paper
Digital Volume Correlation: Progress and Challenges
Digital volume correlation consists in registering series of 3D images of experiments to yield 4D displacement fields. These 4D analyses have been conducted for the last two decades. Some achievements and curr...
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Chapter and Conference Paper
Projection-Based Measurement and Identification
A recently developed Projection-based Digital Image Correlation (P-DVC) method is here extended to 4D (space and time) displacement field measurement and mechanical identification based on a single radiograph ...
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Chapter
Digital Volume Correlation of Laminographic and Tomographic Images: Results and Challenges
Although digital volume correlation (DVC) seems to be a simple extension of digital image correlation to 3D situations, new challenges arise. The first problem is that the actual microstructure of the material...
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Article
Sub-minute In Situ Fracture Test in a Laboratory CT Scanner
The present study aims at demonstrating the feasibility of performing a fracture test in less than 1 min in a laboratory CT scanner despite the severe time constraints of tomography acquisition. After introduc...
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Article
First experience of durable cytoreduction in chronic lymphoid leukemia with 177Lu-DOTATATE
This is the first described case of effective and durable cytoreduction after PRRT with 177Lu-DOTATATE in a 75-year-old female, with B cell chronic lymphoid leukemia, and well-differentiated metastatic neuroendoc...
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Chapter and Conference Paper
Inverse Identification of the Loading Applied by a Tire on a Landing Gear Wheel
This study aims at identifying the loading applied by a tire on a landing gear wheel for an inflation case. A full scale test instrumented via stereo-DIC (Digital Image Correlation) and strain gages is perform...
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Article
Open AccessCARPIUC benchmark overview: crack advance, reorientation, propagation and initiation under complex loadings
A series of experiments has been performed to build a benchmark for the numerical modeling of mixed mode crack propagation in concrete. Two tests are selected so that the propagation is almost always stable al...
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Chapter
On the Use of Digital Image Correlation for the Analysis of the Dynamic Behavior of Materials
The present chapter is devoted to the analysis of the mechanical behavior of materials subjected to dynamic loadings via digital image correlation (DIC). This measurement technique provides 2D or 3D displaceme...
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Article
Big Data in Experimental Mechanics and Model Order Reduction: Today’s Challenges and Tomorrow’s Opportunities
Since the turn of the century experimental solid mechanics has undergone major changes with the generalized use of images. The number of acquired data has literally exploded and one of today’s challenges is re...
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Article
Backtracking Depth-Resolved Microstructures for Crystal Plasticity Identification—Part 2: Identification
The present study considers identification of crystal plasticity parameters from knowledge of a deformed microstructure, backtracked to the reference state, and known kinematics along the sample surface. This ...
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Article
Backtracking Depth-Resolved Microstructures for Crystal Plasticity Identification—Part 1: Backtracking Microstructures
In situ mechanical tests performed on polycrystalline materials in a scanning electron microscope suffer from the lack of information on depth-resolved three-dimensional microstructures. The latter ones can be...
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Article
Open AccessThe High Radiosensitizing Efficiency of a Trace of Gadolinium-Based Nanoparticles in Tumors
We recently developed the synthesis of ultrasmall gadolinium-based nanoparticles (GBN), (hydrodynamic diameter <5 nm) characterized by a safe behavior after intravenous injection (renal clearance, preferential...
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Article
Slant strained band development during flat to slant crack transition in AA 2198 T8 sheet: in situ 3D measurements
In this work 3D strain and damage analyses are performed in the immediate vicinity of the notch root of a flat CT-like specimen made of aluminum alloy. Experimental data, partially exploited by Morgeneyer et a...
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Article
Open AccessToward 4D mechanical correlation
The goal of the present study is to illustrate the full integration of sensor and imaging data into numerical procedures for the purpose of identification of constitutive laws and their validation. The feasibi...
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Article
CAD-based Displacement Measurements with Stereo-DIC
A new displacement measurement technique is proposed in a stereovision setup, which uses the object of interest as the support of the correlation process. This procedure leads to a global approach to stereocor...
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Article
Damage measurements via DIC
The present paper is devoted to the measurement of damage by resorting to image correlation techniques. This full-field measurement procedure gives access to 2D and 3D displacements that can be utilized to ana...
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Chapter and Conference Paper
On the Use of Regularized DVC to Analyze Strain Localization
For an in-depth understanding of the failure of structural materials the study of the deformation mechanisms in the bulk is fundamental. In situ synchrotron radiation computed laminography provides 3D images o...
