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Search Publications by: Anthony J. Kearsley (Fed)

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Displaying 126 - 150 of 151

Simulation of an Austenite-Twinned-Martensite Interface

November 1, 2003
Author(s)
Anthony J. Kearsley, L A. Melara
Developing numerical methods for predicting microstructure in materials is an extremely large and important research area. Two examples of material microstructures are Austenite and Martensite. Austenite is a microscopic phase with simple crystallographic

An Optimization Approach to Multiple Sequence Alignment

July 1, 2003
Author(s)
Fern Y. Hunt, Anthony J. Kearsley, H H Wan
The problem of multiple sequence alignment is recast as an optimization problem using Markov decision theory. One seeks to minimize the expected or average cost of alignment subject to data-derived constraints. In this setting the problem is equivalent to

Optimality Conditions for Hierarchical Control

November 7, 2002
Author(s)
P Boggs, Anthony J. Kearsley, J W. Tolle
Abstract As part of the study of techniques for solving PDE-constrained optimization problems, we consider the approximate pointwise control of a linear parabolic system with multiple targets. Assuming a hierarchy among the objectives, we derive optimality

Advanced Numerical Methods for Polymer Mass Spectral Data Analysis

July 1, 2002
Author(s)
William E. Wallace, Charles M. Guttman, Anthony J. Kearsley, Javier Bernal
A mathematical algorithm is presented that accurately locates and calculates the area beneath peaks using only reproducible mathematical operations and a single user-selected sensitivity parameter.

Global and Local Optimization Algorithms for Optimal Signal Set Design

April 1, 2001
Author(s)
Anthony J. Kearsley
The problem of choosing an optimal signal set for non-Gaussian detection was reduced to a smooth inequality constrained mini-max nonlinear programming problem by Goeckenbach and Kearsley (SIAM J. Opt., 1998). Here we consider the application of several

Effect of Ag on the Primary Phase Field of High T c (Bi,Pb)-2223 Superconductor

February 1, 2000
Author(s)
Winnie K. Wong-Ng, Lawrence P. Cook, W Greenwood, Anthony J. Kearsley
The subsolidus equilibria and the primary phase field (crystallization field) of the 110K high T c (Bi,Pb)-2223 ([Bi,Pb]:Sr:Ca:Cu) superconductor in the presence of Ag have been determined under 7.5 volume % O 2 (92.5 % Ar). A total of 29 six-phase volumes