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Conferences

Uncertainty Quantification of Stresses in a Cracked Pipe Elbow Weldment Using a Logistic Function Fit, a Nonlinear Least Squares Algorithm, and a Super-Parametric Method

December 30, 2015

Author(s)

Jeffrey T. Fong, James J. Filliben, Nathanael A. Heckert, Pedro V. Marcal, Robert Rainsberger, Li Ma

In a 3-part series of papers, of which this paper is Part II, we investigate the applicability of the fully quadratic hexa-27 element (see Part I) to four...

Real-Time Energy Prediction for a Milling Machine Tool Using Sparse Gaussian Process Regression

December 28, 2015

Author(s)

Sudarsan Rachuri, Jinkyoo Park, Kincho Law, Raunak Binge, Mason Chen, David Dornfeld

This paper describes a real-time data collection framework and an adaptive machining learning method for constructing a real-time energy prediction model for a...

Human and Algorithm Performance on the PaSC Face Recognition Challenge

December 17, 2015

Author(s)

P J. Phillips, Matthew Hill, Jake A. Swindle, Alice O'Toole

Community Resilience Economic Decision Guide for Buildings and Infrastructure Systems An Overview

December 16, 2015

Author(s)

Robert E. Chapman

The Economic Guide provides a standard economic methodology for evaluating investment decisions aimed at improving the ability of communities to adapt to...

Models for Low Energy Electron Beam Induced Current Experiments in polycrystalline thin film photovoltaics

December 16, 2015

Author(s)

Paul M. Haney, Heayoung Yoon, Rob Collins, Prakash Koirala, Nikolai Zhitenev

Electron beam induced current (EBIC) is a powerful technique which measures the charge collection efficiency of electron-hole pairs generated by an electron...

A Hybrid Task Graph Scheduler for High Performance Image Processing Workflows

December 16, 2015

Author(s)

Timothy J. Blattner, Walid Keyrouz, Milton Halem, Shuvra S. Bhattacharyya, Mary C. Brady

The scalability of applications is a key requirement to improving performance in hybrid and cluster computing. Scheduling code to utilize parallelism is...

Local photocarrier dynamics in CdTe solar cells under optical and electron beam excitations

December 16, 2015

Author(s)

Heayoung Yoon, Paul M. Haney, Yohan Yoon, Sang M. An, James I. Basham, Nikolai Zhitenev

We investigate local carrier dynamics in n-CdS / p-CdTe solar cells, where the electron-hole pairs are generated by either near-field optical illumination or...

Molecular Alignment and Rashba Splitting in Organometal Halide Perovskite CH3NH3PbI3 Absorbers

December 16, 2015

Author(s)

Junwen Li, Paul M. Haney

Organometal halide perovskite CH3NH3PbI3 solar cells have witnessed unprecedented progress in power conversion efficiency, reaching more than 20% within 5 years...

Towards a Systematic Threat Modeling Approach for Cyber-physical Systems

December 15, 2015

Author(s)

Goncalo Martins, Sajal Bhatia, Xenofon Koutsoukos, Keith A. Stouffer, CheeYee Tang, Rick Candell

Cyber-Physical Systems (CPS) are systems with seamless integration of physical, computational and networking components. These systems can potentially have an...

INTEGRATING DATA ANALYTICS AND SIMULATION METHODS TO SUPPORT MANUFACTURING DECISION MAKING

December 10, 2015

Author(s)

Deogratias Kibira, Qais Y. Hatim, Guodong Shao, Soundar R. Kumara

Modern manufacturing systems are installed with smart systems such as sensors that monitor performance and collect data in order to manage uncertainties in...

COMPUTATIONAL ENVIRONMENT FOR MODELING AND ENHANCING COMMUNITY RESILIENCE: INTRODUCING THE CENTER FOR RISK-BASED COMMUNITY RESILIENCE PLANNING

December 10, 2015

Author(s)

John W. van de Lindt, Bruce Ellingwood, Therese P. McAllister, Gardoni Paolo, Daniel Cox, Harvey Cutler, Walter G. Peacock

The resilience of a community is defined as its ability to prepare for, withstand, recover from and adapt to the effects of natural or human-caused disasters...

Effect of the Interface Moisture Content on the Bond Performance between a Concrete Substrate and a Non-Shrink Cement-Based Grout

December 9, 2015

Author(s)

Igor de la Varga, Jose Munoz, Dale P. Bentz, Benjamin Graybeal

Prefabricated Bridge Element and System (PBES) construction commonly relies on field-cast grout-type materials to complete the connections between precast...

Towards a Reconfigurable Distributed Testbed to Enable Advanced Research and Development of Timing and Synchronization in Cyber-Physical Systems

December 8, 2015

Author(s)

Aviral Shrivastava, J C. Eidson, Marc A. Weiss, Ya-Shian Li-Baboud, Hugo Andrade, Patricia Derler, Kevin Stanton

Timing and synchronization play a key role in advanced cyber-physical systems (CPS). Precise timing, as often required in safety-critical CPS, depends on...

Towards a Virtual Factory Prototype

December 5, 2015

Author(s)

Sanjay Jain, David Lechevalier, Jungyub Woo, Seungjun Shin

A virtual factory should represent most of the features and operations of the corresponding real factory. Some of the key features of the virtual factory...

Microwave characterization of ink-jet printed CPW on PET substrates

December 3, 2015

Author(s)

Thomas M. Wallis

This paper describes microwave characterization of coplanar waveguide (CPW) lines formed by ink-jet printed technology on flexible polyethylene terephthalate...

Probing Nanoscale Objects in Liquids through Membranes with Near-Field Microwave Microscopy

December 2, 2015

Author(s)

Alexander Tselev, Andrei Kolmakov

In this work, scanning near-field microwave imaging was implemented to test the feasibility of the approach for in situ studies of nanosclale objects immersed...

Millimeter-Wave Near-Field Measurements Using Coordinated Robotics

December 1, 2015

Author(s)

Joshua A. Gordon, David R. Novotny, Ronald C. Wittmann, Michael H. Francis, Miranda L. Butler, Jeffrey R. Guerrieri

The National Institute of Standards and Technology(NIST) recently developed a new robotic scanning system for performing near-field measurements at millimeter...

Characterizing the thermal effects of High Energy Arc Faults

November 30, 2015

Author(s)

Anthony D. Putorti Jr., Nicholas Melly, Scott Bareham, Joseph E. Praydis

International and domestic operating experience involving High Energy Arc Faults (HEAF) in Nuclear Power Plant (NPP) electrical power systems have demonstrated...

Quantized Hall resistance in large-scale monolayer graphene

November 28, 2015

Author(s)

Yanfei Yang, Chiashain Chuang, Chieh W. Liu, Randolph Elmquist

Abstract: Graphene is an atomic-thickness carbon lattice that can be exfoliated from solid graphite or grown using high temperature processing methods on a...

A Constrained L2 Based Algorithm for Standardized Planar Datum Establishment

November 18, 2015

Author(s)

Craig M. Shakarji, Vijay Srinivasan

For years (decades, in fact) a definition for datum planes has been sought by ASME and ISO standards writers that combines the contacting nature of traditional...

On the Internet Connectivity in Africa

November 18, 2015

Author(s)

Assane Gueye, Peter Mell, Desire Banse, Faical Y. Congo

This study measures and documents growth of Internet connectivity in Africa from 2010 to 2014 with a focus on inter-country relationships. We evaluate both...

Nanomanufacturing Concerns about Measurements Made in the SEM Part IV: Charging and its Mitigation

November 17, 2015

Author(s)

Michael T. Postek, Andras Vladar

This is the fourth part of a series of tutorial papers discussing various causes of measurement uncertainty in scanned particle beam instruments, and some of...

Reduced-scale Experimental Facility to Characterize Firebrand Ignition

November 16, 2015

Author(s)

Samuel L. Manzello, Sayaka Suzuki

Large outdoor fires are a problem in Japan and the USA. In order to prevent losing structures to large outdoor fires, it is important to understand the...

Towards Generating Wind-Driven Firebrand Showers Characteristic of Burning Structures

November 16, 2015

Author(s)

Samuel L. Manzello, Sayaka Suzuki

Firebrands have been known to be a significant cause of structure ignition in large outdoor fires, such as Wildland-Urban Interface (WUI) fires, large...

Minimizing Attack Graph Data Structures

November 14, 2015

Author(s)

Peter Mell, Richard Harang

An attack graph is a data structure representing how an attacker can chain together multiple attacks to expand their influence within a network (often in an...

Assessing the Research Collaboration Network at NIST: Retooling the Librarian Skillset to meet Emerging Needs

November 12, 2015

Author(s)

Andrea M. Medina-Smith, Amanda J. Malanowski

Effects of Wireless Packet Loss in Industrial Process Control Systems

November 12, 2015

Author(s)

Yongkang Liu, Rick Candell, Nader Moayeri

Timely and reliable sensing and actuation control are essential in networked control. This depends on not only the precision/quality of the sensors and...

Measuring the Effect of Wireless Sensor Network Communications on Industrial Process Performance

November 11, 2015

Author(s)

Rick Candell, Kang B. Lee

Real-time sensor data is essential for making decisions in controlling industrial processes. Wireless sensor networks (WSN's) are becoming more common for...

The Occurrence of Repeated Fiber Breaks in Microcomposites

November 10, 2015

Author(s)

Gale A. Holmes, Edward D. McCarthy, Nathanael A. Heckert, Stefan D. Leigh, Jae Hyun Kim, Jeffrey W. Gilman

The mechanical integrity of a structural composite is strongly affected by the strength and toughness of the fibermatrix interface/interphase (Norwood, 1994)...

Using Semantic Web Technologies to Integrate Models to Analytical Tools

November 9, 2015

Author(s)

Peter O. Denno, Mark R. Blackburn

This paper discusses the potential advantages and pitfalls of using semantic web technologies in the process of preparing engineering analyses. Analytical tools...

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