The Grid Method for In‐plane Displacement and Strain Measurement: A Review and Analysis

M Grediac, F Sur, B Blaysat - Strain, 2016 - Wiley Online Library
The grid method is a technique suitable for the measurement of in‐plane displacement and
strain components on specimens undergoing a small deformation. It relies on a regular …

A critical comparison of some metrological parameters characterizing local digital image correlation and grid method

M Grédiac, B Blaysat, F Sur - Experimental Mechanics, 2017 - Springer
The main metrological performance of two full-field measurement techniques, namely local
digital image correlation (DIC) and grid method (GM), are compared in this paper. The …

Investigation of the grid method for accurate in-plane strain measurement

C Badulescu, M Grédiac… - Measurement Science and …, 2009 - iopscience.iop.org
This paper deals with the accurate measurement of the in-plane strain components on a
deformed specimen using the grid method. A crossed grid transferred on the specimen …

Applying the grid method and infrared thermography to investigate plastic deformation in aluminium multicrystal

C Badulescu, M Grédiac, H Haddadi, JD Mathias… - Mechanics of …, 2011 - Elsevier
Two different full-field measurement techniques were used in this study to investigate the
mechanical response of an aluminium multicrystal specimen subjected to a tensile test. The …

50th Anniversary Article: Effect of Sensor Noise on the Resolution and Spatial Resolution of Displacement and Strain Maps Estimated with the Grid Method

M Grediac, F Sur - Strain, 2014 - Wiley Online Library
This paper deals with noise propagation from camera sensor to displacement and strain
maps when the grid method is employed to estimate these quantities. It is shown that closed …

Use of simulated experiments for material characterization of brittle materials subjected to high strain rate dynamic tension

B Lukić, D Saletti, P Forquin - … Transactions of the …, 2017 - royalsocietypublishing.org
Rapid progress in ultra-high-speed imaging has allowed material properties to be studied at
high strain rates by applying full-field measurements and inverse identification methods …

Determining displacement and strain maps immune from aliasing effect with the grid method

F Sur, B Blaysat, M Grédiac - Optics and Lasers in Engineering, 2016 - Elsevier
Spatial aliasing may affect methods based on grid image processing to retrieve
displacement and strain maps in experimental mechanics. Such methods aim at estimating …

Towards deconvolution to enhance the grid method for in-plane strain measurement

F Sur, M Grediac - Inverse Problems and Imaging, 2014 - inria.hal.science
The grid method is one of the techniques available to measure in-plane displacement and
strain components on a deformed material. A periodic grid is first transferred on the …

Studying the mechanical behavior of notched wood beams using full-field measurements

E Toussaint, E Fournely, RM Pitti, M Grédiac - Engineering Structures, 2016 - Elsevier
This study focuses specifically on the mechanical behavior of notched timber beams and
more generally on the existence of tensile stresses perpendicular to the grain, as well as …

Investigation of martensitic microstructures in a monocrystalline Cu–Al–Be shape memory alloy with the grid method and infrared thermography

D Delpueyo, M Grédiac, X Balandraud… - Mechanics of Materials, 2012 - Elsevier
The objective of the study is to analyze the martensitic microstructure evolution in a shape-
memory alloy during a stress-induced transformation. Two full-field measurement …