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Displaying 5351 - 5375 of 9857

Compensating operators and stable backward in time marching in nonlinear parabolic equations.

March 1, 2014

Author(s)

Alfred S. Carasso

… novel step by step stabilized time-marching procedure for computing nonlinear parabolic equations on 2D rectangular …

Compensating operators and stable backward in time marching in nonlinear parabolic equations.

November 26, 2013

Author(s)

Alfred S. Carasso

… novel step by step stabilized time-marching procedure for computing nonlinear parabolic equations on 2D rectangular …

Modeling Produces Insight into Fire Behavior

November 1, 2011

Author(s)

Adam M. Barowy, Daniel M. Madrzykowski

The National Institute of Standards and Technology (NIST) is the leader in the development of computer-based fire models that simulate the movement of fire gases and heat through a building and estimate the response of various fire protection systems. NIST

Evaluation of a Two-Dimensional Simulation of Low Strain Rate Nonpremixed Counterflow Flames

January 5, 2011

Author(s)

W Park, Anthony P. Hamins, Kevin B. McGrattan

A mixture fraction formulation is used to numerically simulate the two-dimensional structure of diluted axisymmetric methane-air nonpremixed counterflow flames. The size of the computational domain and the grid spacing are selected based on negligible

Comparison of Five Natural Gas Equations of State Used for Flow and Energy Measurement

August 14, 2009

Author(s)

Aaron N. Johnson, William Johansen

Measurements of the flow and the energy content of natural gas rely on equations of state to compute four thermodynamic properties: 1) compressibility factor; 2) critical flow factor; 3) speed of sound; and 4)isentropic exponent. We compare these computed

Transport Properties of Argon at Zero Density From Viscosity-Ratio Measurements

April 1, 2006

Author(s)

E May, Michael R. Moldover, Robert F. Berg, John J. Hurly

We determined the zero-density viscosity and thermal conductivity of argon with an uncertainty of only 0.039 % in the temperature range 200 K to 400 K. Our results will improve: (1) the argon-argon interatomic potential, (2) calculated boundary-layer

Hyperspectral study of the coupling between trions in WSe2 monolayers to a circular Bragg grating cavity

June 25, 2021

Author(s)

Marcelo I. Davanco, Oliver Iff, Simon Betzold, Magdalena Moczala-Dusanowska, Matthias Wurdack, Monika Emmerling, Sven Hofling, Christian Schneider

… a valuable step towards the integration of atomically thin quantum emitters in semiconductornanophotonic cavities. …

Quadrupole Order in the Frustrated Pyrochlore Tb 2+x Ti 2-x O 7+y

May 26, 2016

Author(s)

H. Takatsu, S. Onoda, S. Kittaka, A. Kasahara, Y. Kono, T. Sakakibara, Y. Kato, B. Fak, J. Ollivier, Jeffrey W. Lynn, T. Taniguchi, H. Kadowaki

… the existence for a Higgs phase located close to a U(1) quantum spin-liquid phase of the non-Kramers pyrochlore model. …

Electron Transport in Gold Nanowires: Stable 1-, 2- and 3-Dimensional Atomic Structures and Non-Integer Conduction States

September 14, 2011

Author(s)

Francesca M. Tavazza, Douglas T. Smith, Lyle E. Levine, Jon R. Pratt, Anne M. Chaka

… show a rich variety of behaviors, including non-integer quantum conductance plateaus, transitions and slopes. Using …

Data for Thermophysical Properties of Humid Gases in Power Cycles

June 20, 2011

Author(s)

Allan H. Harvey, Mark O. McLinden, Richard A. Perkins

… for this work were to: (1) Use results of first-principles quantum mechanics to develop a description of the …

Correcting Low Frequency Noise With Continuous Measurement

October 16, 2008

Author(s)

Lin Tian

… two physical qubits that are alternatively calibrated, quantum logic gates with high fidelity can be performed. …

Longitudinal Spin Waves in a Dilute Bose Gas

June 1, 2002

Author(s)

J E. Williams, T Nikuni, Charles W. Clark

… in the gas is due to a mean-field effect arising from the quantum interference between the direct and exchange …

Electromagnetic Technology Division 2001 Technical Accomplishments

January 1, 2002

Author(s)

Sara E. Metz

… standards and measurement methods using remarkable quantum effects and low noise available only at temperatures …

Correction: A Technique for In-Situ Displacement and Strain Measurement with Laboratory-Scale X-Ray Computed Tomography

May 23, 2024

Author(s)

Orion Kafka, Alexander Landauer, Jake Benzing, Newell Moser, Elisabeth Mansfield, Edward Garboczi

… and Strain Measurement with Laboratory-Scale X-Ray Computed Tomography …

Using Monte Carlo Methods to Compute the Uncertainty of Fracture Toughness and Fracture Resistance Curves

February 3, 2023

Author(s)

Lucas Koepke, Dash Weeks, Jolene D. Splett

… Using Monte Carlo Methods to Compute the Uncertainty of Fracture Toughness and Fracture …

An Algorithm for Computing the Compressive Strength of Heterogeneous Cohesive-Frictional Materials - Application to Cement Paste

October 12, 2021

Author(s)

F P. Ganneau, F -. Ulm, J Gondzio, Edward Garboczi

… An Algorithm for Computing the Compressive Strength of Heterogeneous …

Computational investigations for a new, constrained least-squares datum definition for circles, cylinders, and spheres

November 17, 2016

Author(s)

Craig M. Shakarji, Vijay Srinivasan

… Computational investigations for a new, constrained …

Improving the Computational Efficiency of the Blitzstein-Diaconis Algorithm for Generating Random Graphs of Prescribed Degree:

July 1, 2015

Author(s)

Elizabeth Moseman

… Improving the Computational Efficiency of the Blitzstein-Diaconis Algorithm …

A Metrology-based Uncertainty Analysis Approach to V&V of Computer Models of High-consequence Engineering Systems

October 1, 2004

Author(s)

Jeffrey T. Fong

… A Metrology-based Uncertainty Analysis Approach to V&V of Computer Models of High-consequence Engineering Systems …

Computation of Linear Elastic Properties from Microtomographic Images: Methodology and Match to Theory and Experiment.

September 30, 2002

Author(s)

Edward J. Garboczi, C H. Arns, M A. Knackstedt, W V. Pinczewski

… Computation of Linear Elastic Properties from …

A First Step Toward Photorealistic Rendering of Coated Surfaces and Computer-Based Standards of Appearance

January 1, 2001

Author(s)

Fern Y. Hunt, Egon Marx, G Meyer, Theodore V. Vorburger, P Walker, H Westlund

… Toward Photorealistic Rendering of Coated Surfaces and Computer-Based Standards of Appearance …

Evaluation of a fast, simplified computational fluid dynamics model for solving room airflow problems:

January 1, 2001

Author(s)

Amy Musser, Kevin McGrattan, Jeanne Palmer

… Evaluation of a fast, simplified computational fluid dynamics model for solving room airflow …

A computer model to predict the surface temperature and time-of-wetness of concrete pavements and bridge decks:

January 1, 2000

Author(s)

Dale P Bentz

… A computer model to predict the surface temperature and …

High Level Computational Study of the Stereoelectronic Effects of Substituents on Alkene Epoxidations with Peroxyformic Acid

September 1, 1998

Author(s)

R D. Bach, M N. Glukhovtsev, Carlos A. Gonzalez

… High Level Computational Study of the Stereoelectronic Effects of …

Computer integrated knowledge system (CIKS) for construction materials, components, and systems::proposed framework

January 1, 1997

Author(s)

Thomas Y Kurihara, Lawrence J Kaetzel

… Computer integrated knowledge system (CIKS) for construction …

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