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1989
Sunday, January 1st
12:00 AM

3-D Ultrasonic Scattering by Surface-Breaking Cracks

Section: Elastic Wave Scattering and Inversion

D. E. Budreck, Iowa State University
J. D. Achenbach, Northwestern University

La Jolla ,CA

12:00 AM

A 3-D Finite Element Formulation for Ultrasonic NDT Phenomena

Section: Elastic Wave Scattering and Inversion

D. Moore, Worcester Polytechnic Institute
R. Ludwig, Worcester Polytechnic Institute
W. Lord, Colorado State University

La Jolla ,CA

12:00 AM

A Generalized Eigenfunction Expansion for Elastodynamics

Section: Elastic Wave Scattering and Inversion

David E. Budreck, Iowa State University
James H. Rose, Iowa State University

La Jolla ,CA

12:00 AM

A Laplace Transform Based Inverse Method for Flaw Characterization by Eddy Currents

Section: Eddy Currents

Satish M. Nair, Iowa State University
James H. Rose, Iowa State University

La Jolla ,CA

12:00 AM

A Three-Dimensional Boundary Element Model for Eddy Current NDE

Section: Eddy Currents

R. E. Beissner, Southwest Research Institute

La Jolla ,CA

12:00 AM

Analytical and Numerical Predictions of Short Pulsed Elastic Waves on a Half-Space

Section: Elastic Wave Propagation

R. Ludwig, Worcester Polytechnic Institute
D. Moore, Worcester Polytechnic Institute
K. J. Langenberg, University of Kassel
W. Lord, Colorado State University

La Jolla ,CA

12:00 AM

Anisotropy Effects on Lamb Waves in Composite Plates

Section: Elastic Wave Propagation

R. L. Bratton, University of Colorado
S. K. Datta, University of Colorado
A. H. Shah, University of Winnipeg

La Jolla ,CA

12:00 AM

Backscatter from a Spherical Inclusion with Compliant Interphase Characteristics

Section: Elastic Wave Scattering and Inversion

M. Kitahara, Tokai University
K. Nakagawa, Total System Institute
J. D. Achenbach, Northwestern University

La Jolla ,CA

12:00 AM

Computational Eddy-Current Probe Model for Composites, Metals and Semiconductors

Section: Eddy Currents

L. David Sabbagh, Sabbagh Associates, Inc.
John R. Bowler, Sabbagh Associates, Inc.
Harold A. Sabbagh, Sabbagh Associates, Inc.

La Jolla ,CA

12:00 AM

Deformation of Leaky Lamb Wave Spectrum in Fluid-Loaded Plates

Section: Elastic Wave Propagation

S. I. Rokhlin, Ohio State University
Dale E. Chimenti, Wright-Patterson Air Force Base
A. H. Nayfeh, University of Cincinnati

La Jolla ,CA

12:00 AM

Digital Image Analysis of NDT Radiographs

Section: X-radiography

Walter A. Graeme Jr., E. I. du Pont de Nemours & Company, Inc.
Andrew C. Eizember, E. I. du Pont de Nemours & Company, Inc.
James Douglass, DBA Systems, Inc.

La Jolla ,CA

12:00 AM

Eddy Current Detection of Short Cracks in Sheets

Section: Eddy Currents

S. K. Burke, Australian Defence Science and Technology Organisation
L. R. F. Rose, Australian Defence Science and Technology Organisation

La Jolla ,CA

12:00 AM

Eddy Currents Testing of Long Cylindrical Products with Long Solenoids

Section: Eddy Currents

B. de Halleux, Catholic University of Louvain
Th. Le Docte, Catholic University of Louvain
M. Zergoug, Catholic University of Louvain
B. de Meester, Catholic University of Louvain

La Jolla ,CA

12:00 AM

Eddy-Current Detection Methods for Surface-Breaking Tight Cracks

Section: Eddy Currents

Norio Nakagawa, Iowa State University

La Jolla ,CA

12:00 AM

Eddy-Current Flaw Reconstruction by Inverting Field Data

Section: Eddy Currents

C. H. Travis, University of Surrey
John R. Bowler, University of Surrey
M. C. Jones, University of Surrey

La Jolla ,CA

12:00 AM

Eddy-Current Inversion of Flaw Data From Flat-Bottomed Holes

Section: Eddy Currents

C. V. Dodd, Oak Ridge National Laboratory
J. R. Pate, Oak Ridge National Laboratory
W. E. Deeds, Oak Ridge National Laboratory

La Jolla ,CA

12:00 AM

Elastic Wave Scattering by Arbitrarily Shaped Voids

Section: Elastic Wave Scattering and Inversion

Paul J. Schafbuch`, Iowa State University
R. Bruce Thompson, Iowa State University
F. J. Rizzo, Iowa State University
Thomas J. Rudolphi, Iowa State University

La Jolla ,CA

12:00 AM

Elastic Wave Scattering by Macro-Micro Crack Configurations

Section: Elastic Wave Scattering and Inversion

Jianmin Qu, University of Pennsylvania

La Jolla ,CA

12:00 AM

Finite Element Model of Stress Wave Topology in Unidirectional Graphite/Epoxy: Wave Velocities and Flux Deviations

Section: Elastic Wave Propagation

R. D. Kriz, National Institute of Standards and Technology
P. R. Heyliger, National Institute of Standards and Technology

La Jolla ,CA

12:00 AM

Finite Element Study of Elastic Wave Interaction with Cracks

Section: Elastic Wave Scattering and Inversion

Z. You, Iowa State University
W. Lord, Iowa State University

La Jolla ,CA

12:00 AM

Flaw Geometry Reconstruction Using a Limited Set of X-Ray Radiographic Projections

Section: X-radiography

Richard M. Wallingford, Iowa State University
John P. Basart, Iowa State University

La Jolla ,CA

12:00 AM

Free Wave Propagation in Plates of General Anisotropic Media

Section: Elastic Wave Propagation

Adrian H. Nayfeh, University of Cincinnati
Dale E. Chimenti, Wright-Patterson Air Force Base

La Jolla ,CA

12:00 AM

Frequency Domain Methods for the Analysis of Multifrequency Eddy Current Data

Section: Eddy Currents

L. Udpa, Colorado State University
W. Lord, Colorado State University
S. S. Udpa, Colorado State University

La Jolla ,CA

12:00 AM

General Analytic Solution of the Wave Equation for Anisotropic Materials Using Symbolic Manipulation

Section: Elastic Wave Propagation

R. B. Mignogna, United States Navy

La Jolla ,CA

12:00 AM

Generalized Lamb Modes in Fluid-Saturated Porous Plate

Section: Elastic Wave Propagation

Q. Xue, Ohio State University
K. Wu, Ohio State University
L. Adler, Ohio State University
A. Jungman, University of Paris VII
G. Quentin, University of Paris VII

La Jolla ,CA

12:00 AM

Hypersingular Integral Equations for Crack Problems

Section: Elastic Wave Scattering and Inversion

G. Krishnasamy, Iowa State University
Lester W. Schmerr Jr., Iowa State University
Thomas J. Rudolphi, Iowa State University
F. J. Rizzo, Iowa State University

La Jolla ,CA

12:00 AM

Intensity Correction and Dynamic Range Expansion for Digital X-Ray Radiograph Images

Section: X-radiography

S. Hariharan, Iowa State University
S. F. Russell, Iowa State University

La Jolla ,CA

12:00 AM

Modeling Ultrasonic Beam Propagation in Graphite Composites

Section: Elastic Wave Propagation

Frank J. Margetan, Iowa State University
B. P. Newberry, Iowa State University
T. A. Gray, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla ,CA

12:00 AM

Modelling Ultrasonic Inspection of Rough Defects

Section: Elastic Wave Scattering and Inversion

J. A. Ogilvy, Harwell Laboratory

La Jolla ,CA

12:00 AM

Numerical Modeling of Transient Wave Propagation for High Frequency NDT

Section: Eddy Currents

Jian-She Wang, University of Akron
Nathan Ida, University of Akron
S. I. Hanharan, University of Akron

La Jolla ,CA

12:00 AM

Prediction of Surface Induced Ultrasonic Beam Distortions

Section: Elastic Wave Propagation

B. P. Newberry, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla ,CA

12:00 AM

Propagation of Guided Elastic Waves in Orthotropic Plates

Section: Elastic Wave Propagation

Y. Li, Iowa State University
R. Bruce Thompson, Iowa State University

La Jolla ,CA

12:00 AM

Review of NDT Techniques at Radio and Microwave Frequencies

Section: Eddy Currents

Reza Zoughi, Colorado State University

La Jolla ,CA

12:00 AM

Scattering by a Periodic Array of Collinear Cracks

Section: Elastic Wave Scattering and Inversion

Y. Mikata, University of California, San Diego
J. D. Achenbach, Northwestern University

La Jolla ,CA

12:00 AM

Source Field Modeling by Self-Consistent Gaussian Beam Superposition

Section: Elastic Wave Propagation

L. B. Felsen, Polytechnic University
J. M. Klosner, Polytechnic University
I. T. Lu, Polytechnic University
Z. Grossfeld, Polytechnic University

La Jolla ,CA

12:00 AM

Strong Scatterers and 1-D Born Inversion

Section: Elastic Wave Scattering and Inversion

Leonard J. Bond, University College London
H. Zhang, University College London
James H. Rose, Iowa State University

La Jolla ,CA

12:00 AM

The Extraction of Single-Void Characteristics from Ultrasonic Backscatter from Void Clusters

Section: Elastic Wave Scattering and Inversion

G. E. Kechter, Northwestern University
J. D. Achenbach, Northwestern University

La Jolla ,CA

12:00 AM

The Remote Field Effect and Its Interpretation

Section: Eddy Currents

N. Ida, University of Akron

La Jolla ,CA

12:00 AM

The Scattering Response of a Flat-Bottom Hole

Section: Elastic Wave Scattering and Inversion

Lester W. Schmerr Jr., Iowa State University
Alexander Sedov, Iowa State University

La Jolla ,CA

12:00 AM

The Use of Horizontal Axis Coils for the Eddy Current Inspection of Fast Breeder Reactor Primary Vessels

Section: Eddy Currents

R. Clark, University College London
Leonard J. Bond, University College London
P. French, University College London

La Jolla ,CA

12:00 AM

Theoretical and Experimental Studies of the Remote Field Eddy Current Effect

Section: Eddy Currents

S. Nath, Colorado State University
W. Lord, Colorado State University
Y. S. Sun, Colorado State University

La Jolla ,CA

12:00 AM

Thin-Skin Electromagnetic Fields Around Surface-Breaking Cracks in Metals

Section: Eddy Currents

A. M. Lewis, University College London
D. H. Michael, University College London
M. C. Lugg, University College London
R. Collins, University College London

La Jolla ,CA

12:00 AM

Three Dimensional Modeling of Projection Radiography

Section: X-radiography

Joseph N. Gray, Iowa State University
F. Inanc, Iowa State University
B. E. Shull, Iowa State University

La Jolla ,CA

12:00 AM

Three Dimensional Scattering of Elastic Waves by Surface Corrosion Pits

Section: Elastic Wave Scattering and Inversion

K. R. Khair, University of Colorado
S. K. Datta, University of Colorado
A. H. Shah, University of Manitoba

La Jolla ,CA

12:00 AM

Ultrasonic Reflection and Wave Propagation in Multilayered Composite Plates

Section: Elastic Wave Propagation

Dale E. Chimenti, Wright-Patterson Air Force Base
Adrian H. Nayfeh, University of Cincinnati

La Jolla ,CA

12:00 AM

Ultrasonic Scattering by a Surface-Breaking Void

Section: Elastic Wave Scattering and Inversion

Ronald A. Roberts, Argonne National Laboratory

La Jolla ,CA

12:00 AM