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Conferences

VISUALIZING SMOKE AND FIRE

October 3, 2018

Author(s)

Glenn P. Forney

This note discusses some of the physics and associated numerical algorithms used by Smokeview to visualize smoke and fire. Realistic visualization methods are...

A Calibration of Timing Accuracy in NIST Cyber-Physical Systems Testbed

October 3, 2018

Author(s)

Marc A. Weiss, Ya-Shian Li-Baboud, Dhananjay Anand, Paul A. Boynton, Kevin Gerard Brady, Martin Burns

We report results from a project to calibrate timing in the NIST CPS and Smart Grid Testbeds. We measured clock synchronization accuracy and stability as well...

A Design of Experiments Approach for Determining Sensitivities of Forming Limit Analyses to Experimental Parameters

October 2, 2018

Author(s)

Mark A. Iadicola, Dilip K. Banerjee

Forming limit testing is widely used to characterize materials for use in forming operations. Subset based Digital Image Correlation (DIC) has become a common...

Evaluation of Degradation Models for High Strength p-Aramid Fibres Used in Body Armour

October 1, 2018

Author(s)

Kirk D. Rice, Amy E. Engelbrecht-Wiggans, Emilien J. Guigues, Amanda Forster

To improve the reliability and design of armour, it is imperative to understand the failure modes and the degradation rates of the materials used in armour...

Practical Estimation of Uncertainty in Test Velocity Measurements Using Optical Screens

October 1, 2018

Author(s)

Michael Riley, Kirk D. Rice, Nicholas G. Paulter Jr.

The velocity of the test projectile is one of the critical measurements when testing armor and other protective equipment for ballistic resistance. Good...

A DESIGN FOR ADDITIVE MANUFACTURING ONTOLOGY TO SUPPORT MANUFACTURABILITY ANALYSIS

October 1, 2018

Author(s)

Samyeon Kim, David W. Rosen, Paul Witherell, Hyunwoong Ko

Design for additive manufacturing (DFAM) provides design freedom for creating complex geometries and guides designers to ensure manufacturability of parts...

New Metrologies to Assess the Dynamic Response of Soft Protective Materials used in Helmets and Pads

October 1, 2018

Author(s)

Aaron Forster, Michael Riley

Blunt trauma and brain injury can occur during impacts at energies and velocities below those observed in ballistic and blast events. During low to medium...

INVESTIGATING ALTERATION OF PRE-VIKING HILLFORT GLASSES FROM THE BROBORG HILLFORT SITE, SWEDEN

October 1, 2018

Author(s)

Jamie L. Weaver, Carolyn Pearce, Edward Vicenzi, Thomas Lam, Paula DePriest, Robert Koestler, Tamas Varga, Micah Miller, Bruce Arey, Michele Conroy, John McCloy, Rolf Sjoblom, Michael Schweiger, David Peeler, Albert Kruger

Service Life Prediction Models to Predict Building Skin Failures

October 1, 2018

Author(s)

Christopher C. White, Donald L. Hunston, Adam L. Pintar

Determination of the in-service performance and failure of a building envelope material exposed to outdoor weathering has been a significant research goal for...

Generalized source-conditions and uncertainty bounds for deconvolution problems

October 1, 2018

Author(s)

Jake D. Rezac, Andrew M. Dienstfrey, Nicholas A. Vlajic, Akobuije D. Chijioke, Paul D. Hale

Many problems in time-dependent metrology can be phrased mathematically as deconvolution problems. In such cases, measured data is modeled as the convolution of...

Microscopic Identification of Micro-Organisms on Pre-Viking Swedish Hillfort Glass

September 30, 2018

Author(s)

Bruce Arey, Edward Vicenzi, Rolf Sjoblom, Robert Koestler, Paula DePriest, Thomas Lam, David Peeler, John McCloy, Albert Kruger, Jamie Weaver

Borborg Hillfort is a vitrified hillfort located in the Husby-Långhundra parish in Uppland Sweden (Fig. 1A). The site dates to the Great Migration Period...

Development of a Detection Algorithm for Kitchen Cooktop Ignition Prevention

September 30, 2018

Author(s)

Amy Mensch, Anthony Hamins, Kathryn Markell

A small number of previous studies focused on cooktop fire sources and considered multi-detector sensing of pre-ignition signatures in a kitchen environment...

Cross-platform, Public Domain Simulation Tools for Performing Parametric IAQ and Energy Analysis

September 26, 2018

Author(s)

William S. Dols, Lindsay J. Underhill

As building design is being driven towards lower energy use, the relationship between indoor air quality (IAQ) and energy becomes more important due in large...

Examining Workcell Kinematic Chains to Identify Sources of Positioning Degradation

September 26, 2018

Author(s)

Alexander S. Klinger, Brian A. Weiss

Automated industrial workcells are becoming increasingly complex and varied due to greater accessibility of advanced robotic and sensing technologies...

VESPER: Visual Exploration of Similarity and Performance Metrics for Computer-Aided Design Repositories

September 26, 2018

Author(s)

William Z. Bernstein, Deverajan Ramanujan

VESPER is a visual analytics system for exploring similarity metrics and performance metrics derived from computer-aided design (CAD) repositories. It consists...

UMP BUILDER: CAPTURING AND EXCHANGING MANUFACTURING MODELS FOR SUSTAINABILITY

September 26, 2018

Author(s)

William Z. Bernstein, Donald E. Libes, David J. Lechevalier

Targeting the improvement of environmental analysis of manufacturing systems, ASTM 3012-16 provides guidelines for formally characterizing manufacturing...

2018 Rapid DNA Maturity Assessment Results

September 26, 2018

Author(s)

Erica L. Romsos, Peter Vallone

The Rapid DNA Act, which amends the DNA Identification Act of 1994, allows for the integration of rapid DNA instruments for use by law enforcement for DNA...

Public Safety Communication User Needs: Voices of First Responders

September 25, 2018

Author(s)

Shanee T. Dawkins, Kristen Greene, Michelle P. Steves, Mary F. Theofanos, Yee-Yin Choong, Susanne M. Furman, Sandra S. Prettyman

The public safety community is transitioning from land mobile radios to a communications technology ecosystem including a variety of broadband data sharing...

Benchmarking for keyword extraction methodologies in maintenance work orders

September 24, 2018

Author(s)

Thurston B. Sexton, Michael P. Brundage, Melinda Hodkiewicz, Thomas Smoker

Maintenance has largely remained a human-knowledge centered activity, with the primary records of maintenance activity being text-based maintenance work orders...

Characterizing Fiber Reinforced Polymer Composites Shear Behavior with Digital Image Correlation

September 24, 2018

Author(s)

Qi An, Matthias J. Merzkirch, Aaron M. Forster

The interlaminar and intralaminar shear properties, such as modulus and strength, are important for the design of fiber reinforced polymer (FRP) composite...

Condition-based maintenance policy optimization using genetic algorithms and Gaussian Markov improvement algorithm

September 24, 2018

Author(s)

Michael Hoffman, Eunhye Song, Michael Brundage, Soundar R. Kumara

Condition-based maintenance involves monitoring the degrading health of machines in a manufacturing system and scheduling maintenance to avoid costly unplanned...

Advanced Maintenance in Manufacturing: Costs and Benefits

September 23, 2018

Author(s)

Douglas Thomas

The costs of maintenance and the potential effect on maintenance costs from adopting predictive maintenance techniques is not well documented at the national...

PerfLoc (Part 2): Performance Evaluation of the Smartphone Indoor Localization Apps

September 23, 2018

Author(s)

Nader Moayeri, Chang Li, Lu Shi

This paper describes the structure of the PerfLoc Prize Competition organized by the US National Institute of Standards and Technology (NIST). The Competition...

MCDC-Star An Open-source MC/DC Measurement Tool

September 22, 2018

Author(s)

Raghu N. Kacker, David R. Kuhn, Eric Wong

Applying MC/DC criterion to real-world projects can be expensive due to not only the cost of commercial tools, but also the difficulty of generating test cases...

Improving dielectric nano-resonator-based antireflection coatings for photovoltaics

September 19, 2018

Author(s)

Dongheon Ha, Nikolai B. Zhitenev

We demonstrate optical and electrical property enhancement of solar cells using a variety of dielectric nano-resonator array coatings. First, we study close...

Interpolation-Based Gray-Level Co-Occurrence Matrix Computation for Texture Directionality Estimation

September 19, 2018

Author(s)

Antonio Cardone, Marcin Kociolek, Mary C. Brady, Peter Bajcsy

A novel interpolation-based model for the computation of the Gray Level Co-occurrence Matrix (GLCM) is presented. The model enables GLCM computation for any...

39th AIVC - 7th Tight Vent & 5th Venticool Conference, 2018 Development of an Indoor Carbon Dioxide Metric

September 17, 2018

Author(s)

Andrew K. Persily

Towards extending super-conducting nanowire single-photon detectors into the infrared wavelength range

September 16, 2018

Author(s)

Paulina S. Kuo, Brian G. Alberding

Development of Tools to Evaluate the Impact of New Residential Fire Protection Technology

September 14, 2018

Author(s)

Paul A. Reneke, Morgan Bruns, Richard D. Peacock, Thomas G. Cleary, Stanley W. Gilbert

Nanoimaging of local photocurrent in hybrid perovskite solar cells via near-field scanning photocurrent microscopy

September 14, 2018

Author(s)

Dongheon Ha, Yohan Yoon, Ik Jae Park, Paul M. Haney, Nikolai B. Zhitenev

Photocurrent generation of methylammonium lead iodide (CH3NH3PbI3) hybrid perovskite solar cells is observed at the nanoscale using near-field scanning...

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