Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Conferences

Flexural Compression Capacity of Thin Reinforced Concrete Structural Walls

June 25, 2018

Author(s)

Christopher L. Segura, Carlos Arteta, John Wallace

Stability of slender reinforced concrete walls has become an issue of interest for researchers since observations of their performance in recent earthquakes...

Conflict-driven Hybrid Observer-based Anomaly Detection

June 25, 2018

Author(s)

Dhananjay Anand, Zheng Wang, Dawn Tilbury, James Moyne, CheeYee Tang

This paper presents an anomaly detection method using a hybrid observer comprised of state observers for both discrete and continuous states. We focus our...

Using FEMA P695 to Interpret ASCE 41 Seismic Performance of Special Moment Frames

June 25, 2018

Author(s)

Matthew S. Speicher, Jazalyn D. Dukes, Kevin K. Wong

ASCE 41 contains methodologies used by practicing engineers for the assessment of existing buildings and the design of new buildings. The National Institute of...

Cost Estimates for the Seismic Retrofit of Federally Owned and Leased Buildings

June 25, 2018

Author(s)

Juan F. Fung, David T. Butry, Siamak Sattar, Steven L. McCabe

Presidential Executive Order 13717, Establishing a Federal Earthquake Risk Management Standard, encourages federal agencies to enhance resilience[to] future...

QUANTIFICATION OF UNCERTAINTIES IN THE RESPONSE OF BEAM-COLUMNS IN STEEL MOMENT FRAMES

June 25, 2018

Author(s)

Siamak Sattar, Jonathan M. Weigand, Kevin K. Wong

Various sources of uncertainties including material, modeling, and loading uncertainties can have a significant influence on prediction of earthquake-induced...

Uncertainties in Small-Displacement-Based Algorithms for Simulating Structural Collapse

June 25, 2018

Author(s)

Kevin K. Wong

Can small-displacement-based structural analysis software packages possibly be used to simulate large displacement responses and structural collapse due to...

Importance of Experimental Loading Protocols in Developing ASCE 41-17 Backbone Curves

June 25, 2018

Author(s)

Bruce F. Maison, Matthew Speicher

ASCE 41 component backbone curves are typically based on envelopes of data from lab tests of specimens subjected to simulated seismic demands. Prior editions of...

Influence of Fire on the Seismic Shear Capacity of Cold-Formed Steel Shear Walls

June 25, 2018

Author(s)

Blanca Andres Valiente, Matthew Hoehler

Lightweight construction using cold-formed steel (CFS) stud represent roughly 20 % of the multi-story nonresidential building market in the United States...

Life-Cycle Cost of Manufactured Goods: A Case Study in US Ground Passenger Transportation

June 24, 2018

Author(s)

Douglas Thomas

National governments invest in research and development efforts that advance efficiency and spur economic growth. There are, however, few studies that identify...

Uniform Angular Illumination in Optical Microscopes

June 24, 2018

Author(s)

Ravikiran Attota, Emil Agocs

Nanoscale 3D Shape Process Monitoring Using TSOM

June 24, 2018

Author(s)

Ravikiran Attota

Machining behavior of additively manufactured and cast-wrought nickel-based super alloy (IN625)

June 22, 2018

Author(s)

Rajesh K. Ananda-Kumar, Wilfredo Moscoso-Kingsley, Gregor Jacob, Alkan Donmez, Viswanathan Madhavan

Additively manufactured (AM) and cast-wrought (CW) nickel-based super alloy (IN 625) with known processing history and quasi-static properties have been...

Impact of Sampling and Augmentation on Generalization Accuracy of Microscopy Image Segmentation Methods

June 22, 2018

Author(s)

Michael P. Majurski, Petru S. Manescu, Joe Chalfoun, Peter Bajcsy, Mary C. Brady

Impact of Sampling and Augmentation on Estimated Accuracy of Microscopy Image Segmentation Methods

June 22, 2018

Author(s)

Michael P. Majurski, Petru S. Manescu, Joe Chalfoun, Peter Bajcsy, Mary C. Brady

Sampling and augmentation methods have been widely used to generate sufficiently large numbers of representative training images for supervised segmentation...

THE INTERDEPENDENT NETWORKED COMMUNITY RESILIENCE MODELING ENVIRONMENT (IN-CORE)

June 22, 2018

Author(s)

Paolo Gardoni, John W. van de Lindt, Bruce Ellingwood, Therese P. McAllister, Jong Lee, Harvey Cutler, Daniel Cox

The National Institute of Standards and Technology (NIST) funded the multi-university five-year Center of Excellence for Risk-Based Community Resilience...

A Combined Experimental-Numerical Method to Evaluate Powder Thermal Properties in Laser Powder Bed Fusion

June 22, 2018

Author(s)

Bo Cheng, Brandon Lane, Justin G. Whiting, Kevin Chou

Powder-bed metal additive manufacturing (AM) utilizes a high-energy heat source scanning at the surface of a powder layer in a pre-defined area to be melted and...

Implementation of Advanced Laser Control Strategies for Powder Bed Fusion Systems

June 21, 2018

Author(s)

Ho Yeung, Brandon Lane, Alkan Donmez, Jason Fox, Jorge Neira

Laser path, scan speed, and laser power are critical machine parameters determining the quality of the output of laser-based powder bed fusion (LPBF) processes...

Force modeling for hybrid manufacturing

June 21, 2018

Author(s)

Michael Gomez, Jarred C. Heigel, Tony Schmitz

This paper investigates the cutting forces during the machining of additively manufactured metals. Two pairs of workpieces were produced by powder bed direct...

ROBOTIC WORK CELL TEST BED TO SUPPORT MEASUREMENT SCIENCE FOR MONITORING, DIAGNOSTICS, AND PROGNOSTICS

June 21, 2018

Author(s)

Alexander S. Klinger, Brian A. Weiss

Industrial robotics users, integrators, and manufacturers are implementing advanced monitoring, diagnostics, and prognostics (collectively known as Prognostics...

Monitoring, Diagnostics, and Prognostics for Robot Tool Center Accuracy Degradation

June 21, 2018

Author(s)

Guixiu Qiao, Brian A. Weiss

Over time, robots degrade because of age and wear, leading to decreased reliability and increased potential for faults and failures. The effect of faults and...

Experimental Investigation of Residual Stress and its Impact on Machining in Hybrid Additive/Subtractive Manufacturing

June 21, 2018

Author(s)

Jarred C. Heigel, Thien Q. Phan, Jason Fox, Thomas H. Gnaupel-Herold

Hybrid Manufacturing leverages the advantages of both additive manufacturing (AM) with machining to create parts that have complex geometries, tight tolerances...

Review of Refrigerants Evolution

June 20, 2018

Author(s)

Piotr A. Domanski, Mark O. McLinden, Andrei F. Kazakov, J S. Brown, Riccardo Brignoli, Jaehyeok Heo, Janusz Wojtusiak

The presentation discusses the application of refrigerants from the beginnings of artificial cold in the era of industrial revolution to the currently used...

Developing Maintenance Key Performance Indicators from Maintenance Work Order Data

June 19, 2018

Author(s)

Michael P. Brundage, Thurston B. Sexton, Katherine C. Morris, Sascha A. Moccozet, Michael L. Hoffman

Point-of-Use, Nonexclusive, High-Power Laser Power Meter

June 19, 2018

Author(s)

Aly Artusio-Glimpse, Ivan Ryger, Paul A. Williams, John H. Lehman

We have developed a small-package, high-power laser power meter that directly measures radiation pressure on a high-reflectivity mirror for nonexclusive, in...

A Standards and Technology Roadmap for Scalable Distributed Manufacturing Systems

June 19, 2018

Author(s)

Thomas D. Hedberg Jr., Moneer Helu, Timothy A. Sprock

The increasing decentralization of manufacturing has contributed to the growing interest in scalable distributed manufacturing systems (DMSs). The emerging body...

Design of an Octo-Strain Specimen for Biaxial Tension Testing

June 18, 2018

Author(s)

Justin L Milner, Thomas H. Gnaupel-Herold

A custom biaxial testing fixture was designed to evaluate a new specimen geometry for complex loading paths. Biaxial testing is commonly used to evaluate work...

Towards a standards-based methodology for extending manufacturing process models for sustainability assessment

June 18, 2018

Author(s)

Karl Haapala, Arvind Shankar Raman, KC Morris

Over the past decade, several efforts have characterized manufacturing processes from a sustainability perspective. In addition, frameworks, methodologies, and...

First Direct Experimental Studies of Hf0.5Zr0.5O2 Ferroelectric Polarization Switching Down to 100-picosecond in Sub-60mV/dec Germanium Ferroelectric Nanowire FETs

June 18, 2018

Author(s)

Wonil Chung, Mengwei Si, Pragya Shrestha, Jason Campbell, Kin P. Cheung, Peide Ye

In this work, ultrafast pulses with pulse widths ranging from 100 ps to seconds were applied on the gate of Ge ferroelectric (FE) nanowire (NW) pFETs with FE...

Design and Implementation of pyPRISM: A Polymer Liquid-State Theory Framework

June 15, 2018

Author(s)

Tyler B. Martin, Thomas E. Gartner, Ronald L. Jones, Chad R. Snyder, Arthi Jayaraman

Polymer Reference Interaction Site Model (PRISM) theory describes the equilibrium spatial- correlations, thermodynamics, and structure of liquid- like polymer...

Model-based Cosimulation for Industrial Wireless Networks

June 15, 2018

Author(s)

Ging Jeng, Honglei Li, Yanzhou Liu, Yongkang Liu, Mohamed Hany, Rick Candell, Shuvra Bhattacharyya

Wireless communications technology has the potential to provide major benefits in lowering the cost and increasing the efficiency of factory automation (FA)...

Was this page helpful?