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Topic Area: Modeling

Displaying records 91 to 100 of 147 records.
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91. Biological Cell Feature Identification by a Modified Watershed-Merging Algorithm
Series: NIST Interagency/Internal Report (NISTIR)
Topic: Modeling
Published: 11/24/2010
Authors: David E. Gilsinn, Kiran Bhadriraju, John T Elliott
Abstract: Biological cells are composed of many subsystems and organelles. The subsystem called the cytoskeleton is composed of long rod-shaped structures. They give the cell form and help attach the cell to the substrate and neighbors. One of the filaments is ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906615

92. Matching Observed Alpha Helix Lengths to Predicted Secondary Structure
Topic: Modeling
Published: 10/11/2010
Author: Brian Dale Cloteaux
Abstract: Because of the complexity in determining the 3D structure of a protein, the use of partial information determined from experimental techniques can greatly reduce the overall computational expense. We investigate the problem of matching experimentally ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906041

93. Predicting Microstructure Development During Casting of Drug Eluting Coatings
Topic: Modeling
Published: 9/19/2010
Authors: David M. Saylor, Jonathan E Guyer, Daniel Wheeler, James A Warren
Abstract: We have devised a novel diffuse interface formulation to model the development of chem- ical and physical inhomogeneities, i.e. microstructure, during the process of casting drug eluting coatings. These inhomogeneities, which depend on the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905206

94. Comment on "Frustrated Magnetization in Co Nanowires: Competition Between Crystal Anisotropy and Demagnetization Energy"
Topic: Modeling
Published: 9/15/2010
Authors: Kristof M. Lebecki, Michael J Donahue
Abstract: Bergmann et al. [Phys. Rev. B 77, 054414 (2008)] present an analytical theory explaining the behavior of ferromagnetic cobalt nanowires with perpendicular anisotropy. This theory, which predicts a sinusoidal variation of the magnetization along the l ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904979

95. Modelling Type Ia Supernova Light Curves
Topic: Modeling
Published: 9/15/2010
Authors: Bert W Rust, Dianne M O'Leary, Katharine M Mullen
Abstract: Type Ia supernova light curves are characterized by a rapid rise from zero luminosity to a peak value, followed by a slower quasi-exponential decline. The rise and peak last for a few days, while the decline persists for many months. It is widely b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903019

96. A Flexible and Efficient Numerical Framework for Image Segmentation by Energy Minimization
Topic: Modeling
Published: 8/22/2010
Author: Gunay Dogan
Abstract: A widely used approach to image segmentation is to define corresponding segmentation energies and to compute shapes that are minimizers of these energies. In this work, we introduce a flexible and efficient numerical framework for minimization of suc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905680

97. Modeling atomic structure at the nanoscale using the PDF: simulation studies of monoatomic nanoparticles
Topic: Modeling
Published: 8/17/2010
Authors: Katharine M Mullen, Victor Lvovich Krayzman, Igor Levin
Abstract: The pair distribution function (PDF), as determined from total x-ray or neutron scattering, is a valuable probe of atomic arrangements in nanoparticles. Structural information in such experimental PDF data is convoluted with the effects of particle ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903954

98. Spectral Based Methods That Streamline the Search for Failure Scenarios in Large-Scale Distributed Systems
Topic: Modeling
Published: 7/22/2010
Authors: Fern Y Hunt, Christopher E Dabrowski, Katherine Morrison
Abstract: We report our work on the development of analytical and numerical methods that enable the detection of failure scenarios in distributed grid computing, cloud computing and other large scale systems.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907693

99. A Risk-Uncertainty Formula Accounting for Uncertainties of Failure Probability and Consequence in a Nuclear Powerplant
Topic: Modeling
Published: 7/20/2010
Authors: Jeffrey T Fong, Stephen R Gosselin, Pedro Vincente Marcal, James J Filliben, Nathanael A Heckert, Robert E Chapman
Abstract: This paper is a continuation of a recent ASME Conference paper entitled "Design of a Python-Based Plug-in for Bench-marking Probabilistic Fracture Mechanics Computer Codes with Failure Event Data" (PVP2009-77974). In that paper, which was co-authore ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905670

100. Detecting Cooling Coil Fouling Automatically-Part 1: A Novel Concept
Topic: Modeling
Published: 7/1/2010
Author: Daniel A Veronica
Abstract: Fouling of surfaces within the heat exchangers of heating, ventilating, and air conditioning (HVAC) systems of buildings is an equipment fault that wastes appreciable amounts of energy, however, it escapes detection under current building automation ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902587



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