BookDOI
Review of Progress in Quantitative Nondestructive Evaluation
Donald O. Thompson,Dale E. Chimenti +1 more
- Vol. 1096
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TLDR
The Review of Progress in Quantitative NDE (ROPQN) as mentioned in this paper is the world's leading conference in reporting annually new research and development results in quantitative NDE and promotes communication between the research and engineering communities and emphasize current reporting of work in progress.Abstract:
The Review of Progress in Quantitative NDE is the world's leading conference in reporting annually new research and development results in quantitative NDE. The conference reports on both fundamental and applied advances in NDE and promotes communication between the research and engineering communities and emphasize current reporting of work in progress. Attendees include representatives of academia (including students), industry, and government with approximately one-half coming from the United States and the other half from overseas. This volume represents the best report of ongoing work that is available anywhere. Connections and overlap with the medical diagnostic community are highlighted.read more
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Journal ArticleDOI
High-resolution NMR in inhomogeneous fields
John J. Balbach,Mark S. Conradi,David P. Cistola,Changguo Tang,Joel R. Garbow,William C. Hutton +5 more
TL;DR: In this paper, a new NMR technique is presented that yields high-resolution, 1-D NMR spectra of solutes in inhomogeneous magnetic fields, which exploits the nuclear Overhauser effect which couples the longitudinal relaxation of solvent and solute nuclear spins.
Journal ArticleDOI
Investigation of metal and ceramic-matrix composites moduli: Experiment and theory
TL;DR: In this paper, a unified micromechanics model was developed to predict the elastic moduli of these composites from the knowledge of their constituent elastic constants, which quantitatively predicted the effects of microstructural characteristics, such as the reinforcement content and porosity in the material, on the elastic properties of the composite systems studied.
Journal ArticleDOI
Elastodynamic inversion for shape reconstruction and type classification of flaws
TL;DR: In this paper, two linearized inverse scattering methods are investigated to reconstruct the shape of flaws in the elastic solid, one based on the Born approximation and the other based on Kirchhoff approximation, which is sensitive to the volumetric flaw but not to a crack-like flaw.
Journal ArticleDOI
High order shear horizontal modes for minimum remnant thickness
TL;DR: Finite element simulations were used to show that by exciting multiple guided wave modes simultaneously and identifying which modes are received by a sensor array it is possible to estimate the minimum remaining thickness along the propagation path.
Journal ArticleDOI
Determination of elastic constants of anisotropic laminated plates using elastic waves and a progressive neural network
Gui-Rong Liu,K.Y. Lam,Xu Han +2 more
TL;DR: In this paper, a progressive neural network (NN) was proposed to determine the elastic constants of anisotropic laminated plates using surface displacement responses as the inputs for the NN model.
References
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Journal ArticleDOI
A model relating ultrasonic scattering measurements through liquid–solid interfaces to unbounded medium scattering amplitudes
R. B. Thompson,T. A. Gray +1 more
TL;DR: In this article, the relationship between scattering data obtained from ultrasonic experiments, in which the waves are excited and detected in a finite measurement geometry, and unbounded medium, farfield scattering amplitudes is considered.
Journal ArticleDOI
Scattering matrix for elastic waves. III. Application to spheroids
TL;DR: Using the scattering matrix approach to elastic wave scattering, numerical results are presented for the scattering of P and S waves from prolate and oblate spheroidal cavities and inclusions embedded in an elastic solid for a wide range of wavelengths as discussed by the authors.