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Conferences

Summary of the 2015 NIST Language Recognition i-Vector Machine Learning Challenge

June 24, 2016

Author(s)

Audrey N. Tong, Craig S. Greenberg, Alvin F. Martin, Desire Banse, John M. Howard, G R. Doddington, Danilo B. Romero, Douglas A. Reynolds, Lisa Mason, Tina Kohler, Jaime Hernandez-Cordero, Elliot Singer, Alan McCree, Lisa Mason

In 2015 NIST coordinated the first language recognition evaluation (LRE) that used i-vectors as input, with the goals of attracting researchers outside of the...

Building Systems: Characterization and Impacts OVERVIEW

June 21, 2016

Author(s)

Andrew Persily

Characterize three building systems Building envelope, HVAC (heating, ventilating and air-conditioning) and interior surfaces Factors likely to impact the...

Evolution of Dendrimer Conformational Structure with Generation Number

June 20, 2016

Author(s)

Beatriz A. Pazmino, Jack F. Douglas

We simulate the conformational structure of a coarse-grained model of dendrimer molecules in good solvent as a function of generation number G and find that...

Evaluating the Oxidative Potential of Indoor and Outdoor Particles with an EPR Assay

June 19, 2016

Author(s)

Shahana S. Khurshid, Steven Emmerich, Andrew K. Persily

The hydroxyl radical (OH) generating capacity of particles has been measured in several outdoor locations, but it remains unquantified in indoor environments...

Framework for Standardization of Simulation Integrated Production Planning

June 15, 2016

Author(s)

Deogratias Kibira, Guodong Shao, Bjoern J. Johansson

Production planning is a complex problem that is typically decomposed into decisions carried out at different control levels. Production planning methods...

An Long Term Evolution (LTE) Device-to-Device module for ns-3

June 14, 2016

Author(s)

Richard A. Rouil, Fernando Cintron, Aziza Ben Mosbah, Samantha Gamboa Quintiliani

In this paper, we provide an overview of the on-going implementation of a 3rd Generation Partnership Program (3GPP) Proximity Services (ProSe) module in ns-3 to...

RANS and Hybrid LES/RANS Simulations of Flow over a Square Cylinder

June 11, 2016

Author(s)

Jianghua Ke, DongHun Yeo

Unsteady RANS (URANS) and Hybrid LES/RANS (specifically IDDES) simulations were conducted to numerically investigate the velocity field around, and pressures...

Numerical modeling of heat transfer in steel-concrete composite slabs

June 10, 2016

Author(s)

Jian Jiang, Joseph A. Main, Jonathan M. Weigand, Fahim Sadek

This paper presents detailed and reduced-order numerical modeling of heat transfer in composite floor slabs with profiled steel decking. The detailed modeling...

Estimating t-way Fault Profile Evolution During Testing

June 10, 2016

Author(s)

Raghu N. Kacker, David R. Kuhn

Empirical studies have shown that most software interaction faults involve one or two variables interacting, with progressively fewer triggered by three or more...

Temperature and Strain Measurements with Fiber Optic Sensors for Steel Beams Subjected to Fire

June 10, 2016

Author(s)

Yi Bao, Yizheng Chen, Matthew Hoehler, Christopher M. Smith, Matthew Bundy, Genda Chen

This paper presents measurements of high temperatures using a Brillouin scattering based fiber optic sensor and large strains using an extrinsic Fabry-Perot...

FDS-FEM Simulation Method and Its Application to Model Localized Fire Tests on Steel Members

June 8, 2016

Author(s)

Chao Zhang

Fire Dynamics Simulator (FDS) is an open source CFD code, developed by NIST. It has been widely used in fire engineering for modeling the gas phase environment...

Promoting Repeatability Through Open Runs

June 7, 2016

Author(s)

Ellen M. Voorhees, Shahzad K. Rajput, Ian M. Soboroff

TREC 2015 introduced the concept of Open Runs in response to the increasing focus on repeatability of information retrieval experiments. An Open Run is a TREC...

High Strain Rate Deformation of Ti-6Al-4V through Compression Kolsky Bar at High Temperatures

June 7, 2016

Author(s)

Sindhura Gangireddy, Steven P. Mates

An electrical pulse heated Kolsky Bar technique has been developed at the National Institute of Standards and Technology (NIST) to understand dynamic properties...

High-temperature material constitutive models for structural-fire analysis

June 7, 2016

Author(s)

Chao Zhang, Lisa Choe, John L. Gross

The applicability of three steel constitutive models was evaluated using finite-element analyses and various member capacity equations. Three different high...

The performance of structural steel beams subject to a localized fire

June 7, 2016

Author(s)

Lisa Choe, Selvarajah Ramesh, Chao Zhang, John L. Gross

This paper presents the results from the open flame, localized fire tests conducted on the 6.17-m long, simply supported W16×26 beam specimens. The cross...

Opportunities for Inverse Analysis in Dynamic Tensile Testing

June 6, 2016

Author(s)

Steven P. Mates, Fadi Abu-Farha

Dynamic tensile testing using Kolsky Bar methods are used to assess crashworthiness of new structural materials needed for lightweight automotive design. High...

FEA parameter verification for strain localization experiments

June 6, 2016

Author(s)

Mark A. Iadicola, Dilip K. Banerjee, Adam A. Creuziger

Multi-axial specimen geometry optimization through finite element analysis requires robust models that incorporate the critical physics of the experiment as...

Thermometry with Optomechanical Cavities

June 6, 2016

Author(s)

Thomas P. Purdy, Karen E. Grutter, Kartik Srinivasan, Nikolai Klimov, Zeeshan Ahmed, Jacob Taylor

Thermally-driven motion of a nanomechanical resonator may be employed as an absolute thermometer. We experimentally measure radiation pressure shot noise...

Measurement of DNA repair protein apurinic/apyrimidinic endonuclease 1 (APE1) in human tissues by liquid chromatography/tandem mass spectrometry with isotope dilution

June 5, 2016

Author(s)

Pawel Jaruga, Guldal Kirkali, Prasad T. Reddy, Alessandro Tona, Bryant C. Nelson, Li Mengxia, David M. Wilson III, Erdem Coskun, M Miral Dizdar

Introduction DNA repair proteins may be used as biomarkers in disease etiology and therapy. Thus, the accurate determination of DNA repair protein expression...

Spectral correlation and interference in CW non-degenerate photon pairs at telecom wavelengths

June 5, 2016

Author(s)

Paulina S. Kuo, Thomas Gerrits, Varun B. Verma, Sae Woo Nam, Oliver T. Slattery, Lijun Ma, Xiao Tang

We apply single-photon, fiber-assisted spectroscopy to characterize photon-pair generation with CW pumping. Using this spectrometer, we observe biphoton...

Measurement of DNA Repair Protein Apurinic/Apyrimidinic Endonuclease 1 (APE1) in Human Tissues by Liquid Chromatography/Tandem Mass Spectrometry with Isotope Dilution

June 5, 2016

Author(s)

Pawel Jaruga, Guldal Kirkali

DNA repair proteins may be used as biomarkers in disease etiology and therapy. Thus, the accurate determination of DNA repair protein expression and genotype in...

Effect of process parameters on the surface roughness of overhanging structures in laser powder bed fusion additive manufacturing

June 4, 2016

Author(s)

Jason Fox, Shawn P. Moylan, Brandon Lane

The development of additive manufacturing has allowed for increased flexibility and complexity of designs over formative and subtractive manufacturing. However...

Dynamic characterization of in-plane bulk acoustic resonators using high-sensitivity optical reflection measurements

June 4, 2016

Author(s)

Vikrant J. Gokhale, Jason J. Gorman

A combination of optical knife-edge and photoelastic modulation measurement techniques are presented, which are used to measure dynamic displacement and strain...

Precision Spectroscopy to Enable Traceable Dynamic Measurements of Pressure

June 4, 2016

Author(s)

Kevin O. Douglass, Zeeshan Ahmed, Douglas A. Olson

We present recent work aimed at creating a standard for the dynamic measurement of pressure. A near-IR laser spectroscopy system is demonstrated for measuring 8...

A Programmable Solar Simulator for Realistic Seasonal, Diurnal, and Air-Mass Testing of Multi-Junction Concentrator Photovoltaics

June 4, 2016

Author(s)

Tasshi Dennis, chanud yasanayake, Tim Gerke, Alex Payne, Lars Eng, brent fisher, Matt Meitl

We built a spectrally programmable super-continuum solar simulator and applied it to the realistic laboratory testing of a multi-junction concentrator solar...

Saturation in Solar Cells from Ultra-Fast Pulsed-Laser Illumination

June 4, 2016

Author(s)

Tasshi Dennis

We investigate the potential saturation of a silicon solar cell in response to excitation from continuous-wave and ultra-fast pulsed lasers of equivalent...

Cavity optical transducer platform with integrated actuation for multiple sensing applications

June 4, 2016

Author(s)

Thomas Michels, Vladimir Aksyuk

We present an on-chip cavity optomechanical transducer platform that combines high measurement bandwidth and very low displacement noise floor with compactness...

Virtual Factory Based Data Analytics

June 4, 2016

Author(s)

Sanjay Jain, Guodong Shao, Seungjun Shin

The concept of a virtual factory representation and its use to support data analytics in multiple ways in manufacturing environment are proposed. The proposed...

Single-frequency 571 nm VECSEL for photoionization of magnesium

June 3, 2016

Author(s)

Shaun C. Burd, Tomi Leinonen, Jussi-Pekka Penttinen, David T. Allcock, Daniel H. Slichter, Raghavendra Srinivas, Andrew C. Wilson, Micrea Guina, Dietrich G. Leibfried

We report the development of an intracavity-frequency-doubled VECSEL emitting at 571 nm for photoionization of magnesium. The laser employs a V-cavity geometry...

Interoperability: linking design and tolerancing with metrology

June 2, 2016

Author(s)

Ed Morse, Saeed Heysiattalab, Allison Barnard Feeney, Thomas D. Hedberg Jr.

On October 30, 2014 the American National Standards Institute (ANSI) approved QIF v 2.0 (Quality Information Framework, version 2.0) as an American National...

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