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Topic Area: Modeling
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Displaying records 131 to 138.
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131. The Solidification of an Ideal Ternary Alloy in a Mushy Layer
Topic: Modeling
Published: 3/24/2010
Authors: Daniel M Anderson, Geoffrey B McFadden, Sam Ray Coriell, Bruce Murray
Abstract: We consider a model for the solidification of an ideal ternary alloy in a mushy layer that incorporates the effects thermal and solutal diffusion, convection and solidification. Our results reveal that although the temperature and solute fields are ...

132. Thin Film Dynamics on a Prolate Ellipsoid with Application to the Cornea
Topic: Modeling
Published: 6/9/2011
Authors: Richard J Braun, R. Usha, Geoffrey B McFadden, T. A. Driscoll, L. P. Cook, P. E. King-Smith
Abstract: We study the flow of a thin fluid film on a prolate ellipsoid that is a good approximation to the shape of the human cornea. Two lubrication models for the dynamics of the film are studied in prolate spheroidal coordinates which are appropriate for ...

133. Threshold Digraphs
Topic: Modeling
Published: 12/5/2012
Authors: Brian Dale Cloteaux, Michael Drew LaMar, Elizabeth R Moseman, James Shook
Abstract: A digraph whose degree sequences have a unique vertex labeled realization is called threshold. In this paper we present several characterizations of threshold digraphs and show them to be equivalent. One of the characterizations is new, and allow ...

134. Towards a Metric for Communication Network Vulnerability to Attacks: A Game Theoretic Approach
Topic: Modeling
Published: 2/13/2012
Authors: Assane Gueye, Vladimir V Marbukh
Abstract: In this paper, we propose a quantification of the vulnerability of a communication network when links are subject to failures due to the actions of a strategic adversary. We model the adversarial nature of the problem as a 2-player game between a net ...

135. Transient Convection-Diffusion Modelling of Peak Temperature in Orthogonal Cutting
Topic: Modeling
Published: 8/19/2012
Authors: Timothy J Burns, Steven P Mates, Richard L. Rhorer, Eric Paul Whitenton, Debasis Basak
Abstract: Numerical finite-difference simulations of a two-dimensional transient fast convection-slow diffusion model of the temperature field in orthogonal cutting, due to Tlusty, have been shown to provide better predictions of the peak temperature during or ...

136. Using Nanoscillatory Splines to Model Urban Environments
Topic: Modeling
Published: 1/15/2004
Authors: David E. Gilsinn, Marjorie A McClain, Christoph Johann Witzgall

137. VM Leakage and Orphan Control in Open-Source Clouds
Topic: Modeling
Published: 11/29/2011
Authors: Christopher E Dabrowski, Kevin L Mills
Abstract: Computer systems often exhibit degraded performance due to resource leakage caused by erroneous programming or malicious attacks, and computers can even crash in extreme cases of resource exhaustion. The advent of cloud computing provides increased o ...

138. Variances of Cylinder Parameters Fitted to Range Data
Series: Journal of Research (NIST JRES)
Report Number: 117.015
Topic: Modeling
Published: 9/26/2012
Author: Marek Franaszek
Abstract: Industrial pipelines are frequently scanned with 3D imaging systems (e.g., LADAR) and cylinders are fitted to the collected data. Then, the fitted as-built model is compared with the as-designed model. Meaningful comparison between the two models ...

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