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Displaying 5351 - 5375 of 13218

Platform Firmware Resiliency Guidelines

May 4, 2018
Author(s)
Andrew R. Regenscheid
… reprogramming by the original manufacturer, resulting in significant disruptions to users. The technical guidelines in this document promote resiliency in the platform by describing security mechanisms for …

Feeling Small: Exploring the tactile perception limits

September 12, 2013
Author(s)
Lisa Skedung, Martin Arvidsson, Jun Y. Chung, Christopher Stafford, Birgitta Berglund, Mark W. Rutland
… The human finger is exquisitely sensitive in distinguishing different materials, but the question … to what length scales are capable of being discriminated in active touch? We combine psychophysical approaches with …

Quantitative, Interactive Measurement of Tissue Engineering Scaffold Structure in an Immersive Visualization Environment

October 1, 2006
Author(s)
John G. Hagedorn, Joy P. Dunkers, Adele P. Peskin, John T. Kelso, Judith E. Terrill
… with a manufactured scaffold to determine differences in strut properties. Essential to this work is the use of an … the ability to interact directly with data representations in ways that are not possible with desktop systems. … actual scaffolds to the design model and evaluate scaffold manufacturing processes. We describe future directions for …

Interactive, Quantitative Analysis of Scaffold Structure Using Immersive Visualization: Poster presentation

June 21, 2006
Author(s)
Joy P. Dunkers, John G. Hagedorn, Adele P. Peskin, John T. Kelso, Judith E. Terrill, Lori Henderson
… with a manufactured scaffold to determine differences in strut properties. Essential to this work is the use of an … the ability to interact directly with data representations in ways that are not possible with desktop systems. … actual scaffolds to the design model and evaluate scaffold manufacturing processes. We describe future directions for …

Critical Dimension Metrology and the Scanning Electron Microscope

December 1, 2001
Author(s)
Michael T. Postek, Andras Vladar
… (SEM) remains an important tool, one extensively used in many phases of semiconductor manufacturing throughout the world. The SEM provides … new, very accurate and fast SEM-based measuring methods in research and production of microelectronic devices. … Handbook of Silicon Semiconductor Metrology Chapter in Handbook of Silicon Semiconductor Metrology, …

Critical Dimension Metrology in the Scanning Electron Microscope

June 29, 2001
Author(s)
Michael T. Postek, Andras Vladar
… (SEM) remains an important tool, which is extensively used in many phases of semiconductor manufacturing throughout the world. The SEM provides higher … new, very accurate and fast SEM based measuring methods in research and production of microelectronic devices. …

SFRF: Spatial Frequency Response Function Estimation Program

November 10, 1997
Author(s)
Thomas A. Germer, Clara C. Asmail
… Measurements of optical scatter are often employed in production line diagnostics for surface roughness of … the power spectral density [PSD] of the surface roughness. In a separate paper, we presented an approach for …

Towards Multiprocessor Feature Recognition

January 1, 1997
Author(s)
William Regli, Satyandra K. Gupta, D Nau
… sophisticated CAD software. Automation of design and manufacturing activities poses many difficult computational … a sophisticated allocation of computational resources in order to perform realistic design analyses and generate … entities. Our goal is to outline how improvements in computation time can be obtained by migrating existing …

Database-Assisted Design for Wind: Veering Effects on High-Rise Structures

August 15, 2010
Author(s)
Dong Hun Yeo, Emil Simiu
… speed direction as a function of height above the surface. In this study a procedure is developed within a … on tall build-ing design. The procedure was applied in a case study of a 60-story reinforced concrete building, … Building technology, database-assisted design, mean recurrence …

High-Rise Database-Assisted Design 1.1 (HR_DAD_1.1): Concepts, Software, and Examples

February 2, 2009
Author(s)
Seymour M. Spence
… world tall buildings made up of many thousands of members. In particular the following upgrades on the previous software … requiring times of the order of hours, of the peak demand in each member of a real size structure (estimated time for … Building technology, multi-hazard engineering, structural engineering, …

Economical Mixtures to Reduce Both Thermal and Autogenous Shrinkage Contributions to Early-Age Cracking

July 2, 2008
Author(s)
Dale P. Bentz, Max A. Peltz
… shrinkage that often occurs during the same timeframe. In this paper, three potential alternatives for reducing … by increasing the interparticle spacing between grains in the three-dimensional microstructure. These reductions are … to indicate the strength tradeoff that will be experienced in reducing the risk of early-age cracking. These mixtures …

Mixture Proportioning for Internal Curing

February 1, 2005
Author(s)
Pietro Lura, J W. Roberts
… by chemical shrinkage during the hydration of the cement. In addition to the original concrete's mixture proportions, … building technology, chemical shrinkage, hydration, internal curing, …

Sampling Errors in the Estimation of Peak Wind-Induced Internal Forces in Low-Rise Structures

February 1, 2004
Author(s)
Fahim Sadek, S M. Diniz, M Kasperski, M Gioffre, Emil Simiu
… Peak values in time histories of wind effects may be obtained by using the entire information inherent in the time series of the wind effect, a method entailing the … reliability calculations, of the sampling errors inherent in this method. If based on the analysis of one-hour long …

Discussion of Definition of Wind Profiles in ASCE 7 by Yin Zhou and Ahsan Kareem

November 1, 2003
Author(s)
Emil Simiu, Fahim Sadek, Michael A. Riley
… The discussion presents a critique of a paper published in the Journal of Structural Engineering, Aug. 2002, pp. … building technology, logarithmic law, power law meteorology structural … Discussion of Definition of Wind Profiles in ASCE 7 by Yin Zhou and Ahsan Kareem …

Comparison of Measured and Predicted Tracer Gas Concentrations in a Townhouse

August 1, 2003
Author(s)
Steven J. Emmerich, Steven J. Nabinger, A Gupte, Cynthia H. Reed, L A. Wallace
… and contaminant model, CONTAMW, experiments were performed in an occupied 3-story townhouse in Reston, VA. A tracer gas, sulfur hexaflouride (SF6), was … of the house and the concentration of SF6 was measured in each zone. This same process was then recreated in CONTAMW …

Validation of CONTAMW Predictions for Tracer Gas in a Townhouse

August 1, 2003
Author(s)
Steven J. Emmerich, Steven J. Nabinger, A Gupte, Cynthia H. Reed
… and contaminant model, CONTAMW, experiments were performed in an occupied 3-story townhouse in Reston, VA. A tracer gas, sulfur hexaflouride (SF 6 ), was … of the house and the concentration of SF 6 was measured in each zone. This same process was then recreated in CONTAMW …

Wind Speeds in ASCE 7 Standard Peak-Gust Map: Assessment

April 1, 2003
Author(s)
Emil Simiu, R Wilcox, Fahim Sadek, James J. Filliben
… reasons: (a) The estimation of the speeds specified in the map was originally based on the use of superstations so composed that, in 80 percent of the cases, component stations belong to more than one superstation; (b) superstations were in many instances composed of stations with different …
Displaying 5351 - 5375 of 13218
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