Lester W. Schmerr

发表

DGS Diagrams and Frequency Response Curves for a Flat-Bottom Hole: A Model-Based Approach

Sung-Jin Song, Lester W. Schmerr, Alexander Sedov, 1991 .

Inversion of Uniform Field Eddy Current Data Using Neural Networks

Lester W. Schmerr, J. M. Mann, John C. Moulder, 1992 .

Lester W. Schmerr, 2019 .

Inversion of uniform field eddy current data using neural networks : Review of Progress in Quantitative Nondestructive Evaluation, Brunswick, Maine (United States), 23–28 Jul. 1989. Vol. 9A, pp. 681–688. Edited by D.O. Thompson and D.E. Chimenti. Plenum Press (1990)

Lester W. Schmerr, J. M. Mann, John C. Moulder, 1992 .

Model-Based Flaw Sizing

Lester W. Schmerr, L. Schmerr, 2016 .

Ultrasonic Flaw Classification — An Expert System Approach

Lester W. Schmerr, Chien-Ping Chiou, Ken E. Christensen, 1992 .

Ultrasonic Measurement Modeling with MATLAB

Sung-Jin Song, Lester W. Schmerr, 2007 .

THE PARAXIAL APPROXIMATION FOR RADIATION OF A PLANAR ULTRASONIC TRANSDUCER AT OBLIQUE INCIDENCE THROUGH AN INTERFACE

Lester W. Schmerr, Alexander Sedov, Terence P. Lerch, 1995 .

Transferring Distance-Amplitude Correction Curves -A Model-based Approach

Sung-Jin Song, Lester W. Schmerr, Alexander Sedov, 2003 .

Modeling Ultrasonic Problems for the 2002 Benchmark Session

Lester W. Schmerr, Alexander Sedov, 2003 .

Quantitative Ultrasonic NDE with Models

Lester W. Schmerr, 2016 .

Linear Systems and the Fourier Transform

Lester W. Schmerr, L. Schmerr, 2016 .

Ultrasonic Signal-To-Noise Ratio Enhancement Using Adaptive Filtering Technique

Lester W. Schmerr, Chien-Ping Chiou, R. Bruce Thompson, 1995 .

Ultrasonic flaw classification—an expert system approach : Review of Progress in Quantitative Nondestructive Evaluation, Vol. 8A. Edited by D.C. Thompson and D.E. Chimenti, pp. 657–664. Plenum Press (1989), ISBN 0 306 43209 9

Lester W. Schmerr, Chien-Ping Chiou, Ken E. Christensen, 1992 .

MECHANICAL RECIPROCITY PRINCIPLES AND ULTRASONIC MEASUREMENT MODELS

Lester W. Schmerr, Alexander Sedov, 1996 .

Engineering Dynamics 2.0: Fundamentals and Numerical Solutions

Lester W. Schmerr, 2019 .

Modeling and Measuring All the Elements of an Ultrasonic Nondestructive Evaluation System I: Modeling Foundations

Lester W. Schmerr, Alexander Sedov, Changjiu Dang, 2002 .

Neural network inversion of uniform-field eddy current data

Lester W. Schmerr, John C. Moulder, John C. Moulder, 1991 .

Model-Based Ultrasonic Flaw Classification and Sizing

Lester W. Schmerr, Chien-Ping Chiou, Stephen M. Nugen, 1992 .

Probability of Detection and Reliability

Lester W. Schmerr, 2016 .

Basic Elements of Dynamics

Lester W. Schmerr, 2019 .

ULTRASONIC FLAW SIZING - AN OVERVIEW

Lester W. Schmerr, Alexander Sedov, Xiongbing Li, 2013 .

Ultrasonic Measurement Models for Contact Testing with Bulk Waves, Surface Waves, and Plate Waves

Lester W. Schmerr, Alexander Sedov, 2011 .

Linear System Modeling of Phased Arrays

Lester W. Schmerr, 2015 .

The System Function and Measurement System Models

Sung-Jin Song, Lester W. Schmerr, 2007 .

A Near-Field Measurement Model for Ultrasonic Reference Standards

Lester W. Schmerr, Alexander Sedov, 1992 .

Vibrations of Dynamical Systems

Lester W. Schmerr, 2019 .

Model-Based Calibration of Ultrasonic System Responses for Quantitative Measurements

Sung-Jin Song, Lester W. Schmerr, Huilian Zhang, 1994 .

Time Delay Laws (2-D)

Lester W. Schmerr, 2015 .

Multi-Gaussian Ultrasonic Beam Modeling for Multiple Curved Interfaces—an ABCD Matrix Approach

Lester W. Schmerr, Alexander Sedov, Ruiju Huang, 2005 .

Fundamentals of Ultrasonic Nondestructive Evaluation: A Modeling Approach

Lester W. Schmerr, L. Schmerr, 2016 .

Generation of the basis sets for multi-Gaussian ultrasonic beam models--an overview.

Lester W. Schmerr, Alexander Sedov, Hak-Joon Kim, 2006 .

A unified constrained inversion model for ultrasonic flaw sizing

Lester W. Schmerr, Alexander Sedov, Chien-Ping Chiou, 1989 .

Ultrasonic beam models: An edge element approach

Lester W. Schmerr, Alexander Sedov, Terence P. Lerch, 1998 .

Ultrasonic Transducer Radiation through a Curved Fluid-Solid Interface

Lester W. Schmerr, Alexander Sedov, Terence P. Lerch, 1998 .

Multi-Gaussian Beam Modeling for Multilayered Anisotropic Media, I: Modeling Foundations

Lester W. Schmerr, Alexander Sedov, Ruiju Huang, 2007 .

The flat-bottom hole: An ultrasonic scattering model

Lester W. Schmerr, Alexander Sedov, 1989 .

Time Delay Laws (3-D)

Lester W. Schmerr, 2015 .

Ultrasonic scattering by a flat-bottom hole in immersion testing: An analytical model

Sung-Jin Song, Lester W. Schmerr, Alexander Sedov, 1992 .

Simulating the Experiments of the 2004 Ultrasonic Benchmark Study

Lester W. Schmerr, Alexander Sedov, Hak-Joon Kim, 2005 .

Ultrasonic NDE Modeling — Analytical and Numerical Foundations

Sung-Jin Song, Lester W. Schmerr, Alexander Sedov, 2004 .

New approaches to model‐based ultrasonic flaw sizing

Lester W. Schmerr, Chien-Ping Chiou, 1992 .

A bounded beam solution for the pulse-echo transducer response of an arbitrary on-axis scatterer in a fluid

Sung-Jin Song, Lester W. Schmerr, Alexander Sedov, 1994 .

Ultrasonic flaw sizing inverse problems

Sung-Jin Song, Lester W. Schmerr, Alexander Sedov, 2002 .

A boundary diffraction wave model for a spherically focused ultrasonic transducer

Lester W. Schmerr, Alexander Sedov, Terence P. Lerch, 1997 .

Simulating the Experiments of the 2005 Ultrasonic Benchmark Study

Lester W. Schmerr, T. A. Gray, Ruiju Huang, 2006 .

The time domain elastodynamic Kirchhoff approximation for cracks: The inverse problem

Lester W. Schmerr, Alexander Sedov, 1986 .

A Focussed Transducer/Scatterer Model for Ultrasonic Reference Standards

Lester W. Schmerr, Alexander Sedov, Terry Lerch, 1993 .

Quasi pulse-echo ultrasonic technique for flaw classification

Lester W. Schmerr, C.-P. Chiou, 1991 .

Phased Array Beam Modeling (1-D Elements)

Lester W. Schmerr, L. Schmerr, 2015 .

A Modified Born Approximation for Scattering in Isotropic and Anisotropic Elastic Solids

Lester W. Schmerr, Alexander Sedov, Ruiju Huang, 2006 .

Ultrasonic Equivalent Flaw Sizing - A Time-of-Flight Approach

Sung-Jin Song, Lester W. Schmerr, 1992 .

2007 ULTRASONIC BENCHMARK STUDIES OF INTERFACE CURVATURE—A SUMMARY

Lester W. Schmerr, Ruiju Huang, M. Spies, 2008 .

An elastodynamic model for compressional and shear wave transducers

Lester W. Schmerr, Alexander Sedov, 1989 .

Electromechanical Modeling of Ultrasonic Transducers

Lester W. Schmerr, Alexander Sedov, Changjiu Dang, 1998 .

Hypersingular Integral Formulas and Wave Scattering with the Boundary Element Method

Lester W. Schmerr, Thomas J. Rudolphi, Frank J. Rizzo, 1988 .

The Wavefield of an Ultrasonic Angle Beam Shear Wave Transducer: An Elastodynamic Approach

Lester W. Schmerr, Alexander Sedov, Terence P. Lerch, 1997 .