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Advanced Electromagnetic Models for Materials Characterization and Nondestructive Evaluation

  • Book
  • © 2021

Overview

Authors:
  1. Harold A Sabbagh

    1. Victor Technologies, LLC, Bloomington, USA

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  2. R. Kim Murphy

    1. Victor Technologies, LLC, Bloomington, USA

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  3. Elias H. Sabbagh

    1. Victor Technologies, LLC, Bloomington, USA

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  4. Liming Zhou

    1. Hermitage, USA

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  5. Russell Wincheski

    1. NASA Langley Research Center, Hampton, USA

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  • Applicable to actual test situations that are of importance to the nuclear power, aerospace, materials characterization, and biomedical imaging industries
  • Shows that advanced computational methods can be used to solve practical but difficult problems in eddy-current NDE
  • Defines the modern technology of eddy-current NDE by showing how mathematics and the computer will solve problems more effectively than current analog practice
  • Original approach shows the relation between eddy current simulations and nondestructive evaluation

Part of the book series: Scientific Computation (SCIENTCOMP)

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Table of contents (12 chapters)

  1. Front Matter

    Pages i-xii
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  2. Voxel-Based Inversion Algorithms

    1. Front Matter

      Pages 1-1
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    2. A Bilinear Conjugate-Gradient Inversion Algorithm

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 3-18

    3. Voxel-Based Inversion Via Set-Theoretic Estimation

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 19-55

  3. Materials Characterization

    1. Front Matter

      Pages 57-57
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    2. Modeling Composite Structures

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 59-86

    3. Application of the Set-Theoretic Algorithm to CFRP’s

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 87-122

    4. An Electromagnetic Model for Anisotropic Media: Green’s Dyad for Plane-Layered Media

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 123-142

    5. Stochastic Inverse Problems: Models and Metrics

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 143-156

    6. Integration of Functionals, PCM and Stochastic Integral Equations

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 157-195

    7. A Model for Microstructure Characterization

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 197-213

    8. High-Dimension Model Representation via Sparse Grid Techniques

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 215-247

    9. Characterization of Atherosclerotic Lesions by Inversion of Eddy-Current Impedance Data

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 249-279

  4. Quantum Effects

    1. Front Matter

      Pages 281-281
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    2. Spintronics

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 283-314

    3. Carbon-Nanotube Reinforced Polymers

      • Harold A. Sabbagh, R. Kim Murphy, Elias H. Sabbagh, Liming Zhou, Russell Wincheski
      Pages 315-339

  5. Back Matter

    Pages 341-351
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Keywords

About this book

This book expands on the subject matter of ’Computational Electromagnetics and Model-Based Inversion: A Modern Paradigm for Eddy-Current Nondestructive Evaluation.’ It includes (a) voxel-based inversion methods, which are generalizations of model-based algorithms; (b) a complete electromagnetic model of advanced composites (and other novel exotic materials), stressing the highly anisotropic nature of these materials, as well as giving a number of applications to nondestructive evaluation; and (c) an up-to-date discussion of stochastic integral equations and propagation-of-uncertainty models in nondestructive evaluation. As such, the book combines research started twenty-five years ago in advanced composites and voxel-based algorithms, but published in scattered journal articles, as well as recent research in stochastic integral equations. All of these areas are of considerable interest to the aerospace, nuclear power, civil infrastructure, materials characterization and biomedical industries.

The book covers the topic of computational electromagnetics in eddy-current nondestructive evaluation (NDE) by emphasizing three distinct topics: (a) fundamental mathematical principles of volume-integral equations as a subset of computational electromagnetics, (b) mathematical algorithms applied to signal-processing and inverse scattering problems, and (c) applications of these two topics to problems in which real and model data are used. It is therefore more than an academic exercise and is valuable to users of eddy-current NDE technology in industries as varied as nuclear power, aerospace, materials characterization and biomedical imaging.

Authors and Affiliations

  • Victor Technologies, LLC, Bloomington, USA

    Harold A Sabbagh, R. Kim Murphy, Elias H. Sabbagh

  • Hermitage, USA

    Liming Zhou

  • NASA Langley Research Center, Hampton, USA

    Russell Wincheski

About the authors

Dr. Harold A Sabbagh founded Sabbagh Associates in 1980 to solve problems and do research in the engineering and physical sciences. The company’s major thrust in recent years has been modeling and algorithm development in electromagnetic (eddy-current) nondestructive evaluation. This work has been supported by private industry and a number of government agencies, especially through the Small Business Innovation Research Program (SBIR). (With awards totaling $4M, the company is one of the largest recipient of SBIR funding in the State of Indiana.) Dr. Sabbagh has been the principal investigator for most of these projects. Dr. Sabbagh and his brother, Dr. L. David Sabbagh, were awarded The Technical Cooperation Program (TTCP) Achievement Award for their work on “Verification of Field Flaw Models.” TTCP consists of members of the defense departments of Australia, Canada, Great Britain, New Zealand, and the US. Of the nine TTCP awards made in 1992, “Verification of Field Flaw Models” was one of two awards received by Subgroup-P (Materials Technology). The research cited in the award is the basis of the commercial code VIC-3Dc , that is being developed and marketed by Victor Technologies, a company founded by Harold A. Sabbagh in 1998. He has published widely in the areas of computational modeling in engineering, and has presented a number of conference papers, especially in the area of electromagnetic (eddy-current) nondestructive evaluation, and has conducted short-courses in this area. He was elected a Fellow of the Applied Computational Electromagnetics Society in 2010.

Dr. Murphy is the author of the analysis portions of VIC-3D©, Victor Technologies’ volume-integral code for modeling problems in electromagnetic (eddy-current) nondestructive evaluation(NDE). He has published extensively in the area of numerical modeling with VIC-3D© in the aerospace, materials characterization and nuclear power industries. 
Mr. Elias H. Sabbagh is responsible for the analysis, design, and implementation of the graphical user interface in VIC-3D©. He is interested in modeling and designing extended functionality into the interfaces, and is using object-oriented analysis and design methods and tools for this endeavor.  He has published widely in the field of eddy-current nondestructive evaluation (NDE), and is a co-author of the monograph, ‘’Computational Electromagnetics and Model-Based Inversion: A Modern Paradigm for Eddy-Current Nondestructive Evaluation”, published by Springer in 2013.


Dr. Zhou achieved her Ph.D. in physics from Indiana University Bloomington. In her study, both theoretical and experimental components are included. Therefore, she has adequate experiences in data processing, data analysis and modeling. She helped with algorithm development in VIC-3D© as a consultant.


Dr. Wincheski has been employed as a NDE research scientist in the Nondestructive Evaluation Sciences Branch at NASALangley Research Center since 1990, receiving his Ph.D. in condensed matter physics from the College of William and Mary in 1999.  His work has contributed heavily to the development of advanced electromagnetic nondestructive evaluation techniques for aging aircraft, space shuttle, and other complex aerospace structures.   His research accomplishments are documented with eighteen awarded U.S. Patents and more than 100 technical publications. 


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