This timely book presents cutting-edge developments by experts in the field on the rapidly developing and scientifically challenging area of full-field measurement techniques used in solid mechanics – including photoelasticity, grid methods, deflectometry, holography, speckle interferometry and digital image correlation. The evaluation of strains and the use of the measurements in subsequent parameter identification techniques to determine material properties are also presented.
Since parametric identification techniques require a close coupling of theoretical models and experimental measurements, the book focuses on specific modeling approaches that include finite element model updating, the equilibrium gap method, constitutive equation gap method, virtual field method and reciprocity gap method. In the latter part of the book, the authors discuss two particular applications of selected methods that are of special interest to many investigators: the analysis of localized phenomenon and connections between microstructure and constitutive laws. The final chapter highlights infrared measurements and their use in the mechanics of materials.
Written and edited by knowledgeable scientists, experts in their fields, this book will be a valuable resource for all students, faculties and scientists seeking to expand their understanding of an important, growing research area
Table of Content
Introduction
An overview of different measurement techniques
Photoelasticity
Grid method, moiré and deflectometry
Holography
Speckle interferometry
Digital Image Correlation
From displacements to strains
An overview of identification methods
Finite element model updating
Constitutive law gap
Virtual fields method
Equilibrium gap
Reciprocity gap
Characterization of localized phenomena
From microstructures to constitutive laws
Thermographic analyses of the material behavior
About the author
Dr. Michel Grédiac received an M.S. degree in mechanical engineering from the ‘Ecole Nationale Supérieure d’Arts et Métiers’ in Paris and a Ph.D. degree in mechanical engineering from the University of Lyon in 1991. He was appointed as research professor at the Ecole Nationale Supérieure des Mines de Saint-Etienne and promoted to full professor at the University of Clermont-Ferrand in 1997. In 2003, Dr. Michel Grédiac founded a network named ‘Full-field measurements and identification in solid mechanics’ gathering 25 French research groups devoted to the development and the use of full-field measurement techniques in experimental solids mechanics. He was the head of this network till 2010.
Dr. François Hild graduated from École Normale Supérieure de Cachan in 1989. He received his Ph.D. in mechanical engineering from the University of Paris 6 in 1992, and from the University of California in 1995. He received his habilitation from the University of Paris 6 in 1998. Since 2003, he is a Research Professor at the Laboratory of Mechanics and Technology in Cachan (France), and is the current head of the Mechanics and Materials division.
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