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ACME algorithms for contact in a multiphysics environment API version 2.2.
An effort is underway at Sandia National Laboratories to develop a library of algorithms to search for potential interactions between surfaces represented by analytic and discretized topological entities. This effort is also developing algorithms to determine forces due to these interactions for transient dynamics applications. This document describes the Application Programming Interface (API) for the ACME (Algorithms for Contact in a Multiphysics Environment) library.
Date:
July 1, 2004
Creator:
Heinstein, Martin Wilhelm; Glass, Micheal W.; Gullerud, Arne S.; Brown, Kevin H.; Voth, Thomas Eugene & Jones, Reese E.
Object Type:
Report
System:
The UNT Digital Library
Adaptive Management and Planning Models for Cultural Resources in Oil & Gas Fields in New Mexico and Wyoming, Semi-Annual Progress Report: January 1 - June 30, 2004
This report contains a summary of activities of Gnomon, Inc. and five subcontractors that have taken place during the first six months of 2004 (January 1, 2004-June 30, 2004) under the DOE-NETL cooperative agreement: ''Adaptive Management and Planning Models for Cultural Resources in Oil & Gas Fields in New Mexico and Wyoming'', DE-FC26-02NT15445. Although Gnomon and all five subcontractors completed tasks during these six months, most of the technical experimental work was conducted by the subcontractor, SRI Foundation (SRIF). SRIF created a sensitivity model for the Azotea Mesa area of southeastern New Mexico that rates areas as having a very good chance, a good chance, or a very poor chance of containing cultural resource sites. SRIF suggested that the results of the sensitivity model might influence possible changes in cultural resource management (CRM) practices in the Azote Mesa area of southeastern New Mexico.
Date:
July 1, 2004
Creator:
Robinson, Peggy
Object Type:
Report
System:
The UNT Digital Library
Advanced parallel programming models research and development opportunities.
There is currently a large research and development effort within the high-performance computing community on advanced parallel programming models. This research can potentially have an impact on parallel applications, system software, and computing architectures in the next several years. Given Sandia's expertise and unique perspective in these areas, particularly on very large-scale systems, there are many areas in which Sandia can contribute to this effort. This technical report provides a survey of past and present parallel programming model research projects and provides a detailed description of the Partitioned Global Address Space (PGAS) programming model. The PGAS model may offer several improvements over the traditional distributed memory message passing model, which is the dominant model currently being used at Sandia. This technical report discusses these potential benefits and outlines specific areas where Sandia's expertise could contribute to current research activities. In particular, we describe several projects in the areas of high-performance networking, operating systems and parallel runtime systems, compilers, application development, and performance evaluation.
Date:
July 1, 2004
Creator:
Wen, Zhaofang. & Brightwell, Ronald Brian
Object Type:
Report
System:
The UNT Digital Library
Advanced Petroleum-Based Fuels--Diesel Emissions Control Project (APBF-DEC): Lubricants Project, Phase 1 Summary, July 2004
The Advanced Petroleum Based Fuels-Diesel Emission Control project is a government/industry collaborative project to identify the optimal combinations of low-sulfur diesel fuels, lubricants, diesel engines, and emission control systems to meet projected emission standards for the 2004-2010 time period. This summary describes the results of the first phase of the lubricants study investigating the impact on lubricant formulation on engine-out emissions.
Date:
July 1, 2004
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
The Advocate, Volume 9, Issue 3, July-September 2004
Quarterly update providing information on environmental regulations for small businesses and local governments in Texas.
Date:
July 2004
Creator:
Texas Commission on Environmental Quality
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Aeronautics Star, Volume 6, Number 3, July/August 2004
Bimonthly newsletter published for employees of Lockheed Martin Aeronautics Co. containing work-related information, updates about employees, and other news.
Date:
July 2004
Creator:
Lockheed Martin Astronautics Corporation
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
AGS Sextupole Error Part II
N/A
Date:
July 1, 2004
Creator:
L., Hutchinson & Glenn, W.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 129, No. 5, Ed. 1 Thursday, July 1, 2004
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
July 1, 2004
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 106, No. 79, Ed. 1 Thursday, July 1, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 1, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
An analytically solvable eigenvalue problem for the linear elasticity equations.
Analytic solutions are useful for code verification. Structural vibration codes approximate solutions to the eigenvalue problem for the linear elasticity equations (Navier's equations). Unfortunately the verification method of 'manufactured solutions' does not apply to vibration problems. Verification books (for example [2]) tabulate a few of the lowest modes, but are not useful for computations of large numbers of modes. A closed form solution is presented here for all the eigenvalues and eigenfunctions for a cuboid solid with isotropic material properties. The boundary conditions correspond physically to a greased wall.
Date:
July 1, 2004
Creator:
Day, David Minot & Romero, Louis Anthony
Object Type:
Report
System:
The UNT Digital Library
Archer County News (Archer City, Tex.), No. 27, Ed. 1 Thursday, July 1, 2004
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
July 1, 2004
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
An Audit Report on the Health and Human Services Commission's Administration of the CHIP Exclusive Provider Organization Contract
Report of the Texas State Auditor's Office related to assessing the Health and Human Services Commission's (Commission) systems and controls for monitoring managed care contracts in connection with its Business Improvement Plan with respect to the Children's Health Insurance Program (CHIP) exclusive provider organization (EPO) contract and subcontracts.
Date:
July 2004
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on the Public Utility Commission's Administration of the System Benefit Fund
Report of the Texas State Auditor's Office related to determining whether the Public Utility Commission of Texas administered the System Benefit Fund in accordance with applicable laws and regulations.
Date:
July 2004
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
Automated infrasound signal detection algorithms implemented in MatSeis - Infra Tool.
MatSeis's infrasound analysis tool, Infra Tool, uses frequency slowness processing to deconstruct the array data into three outputs per processing step: correlation, azimuth and slowness. Until now, an experienced analyst trained to recognize a pattern observed in outputs from signal processing manually accomplished infrasound signal detection. Our goal was to automate the process of infrasound signal detection. The critical aspect of infrasound signal detection is to identify consecutive processing steps where the azimuth is constant (flat) while the time-lag correlation of the windowed waveform is above background value. These two statements describe the arrival of a correlated set of wavefronts at an array. The Hough Transform and Inverse Slope methods are used to determine the representative slope for a specified number of azimuth data points. The representative slope is then used in conjunction with associated correlation value and azimuth data variance to determine if and when an infrasound signal was detected. A format for an infrasound signal detection output file is also proposed. The detection output file will list the processed array element names, followed by detection characteristics for each method. Each detection is supplied with a listing of frequency slowness processing characteristics: human time (YYYY/MM/DD HH:MM:SS.SSS), epochal time, correlation, …
Date:
July 1, 2004
Creator:
Hart, Darren
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 82, No. 213, Ed. 1 Thursday, July 1, 2004
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
July 1, 2004
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
BigHorn Home Improvement Center: Proof that a Retail Building Can Be a Low Energy Building: Preprint
The BigHorn Home Improvement Center in Silverthorne, Colorado was one of the first commercial buildings in the United States to integrate extensive high-performance design into a retail space. After monitoring and evaluation by NREL, the BigHorn Center was found to consume 54% less source energy and have 53% lower energy costs than typical retail buildings of similar size. The extensive use of daylighting to replace electric lighting reduced lighting energy requirements by 80% and significantly contributed to the reduced energy loads in the building.
Date:
July 1, 2004
Creator:
Deru, M.; Torcellini, P. & Judkoff, R.
Object Type:
Article
System:
The UNT Digital Library
Biodiesel Analytical Methods: August 2002--January 2004
Biodiesel is an alternative fuel for diesel engines that is receiving great attention worldwide. The material contained in this book is intended to provide the reader with information about biodiesel engines and fuels, analytical methods used to measure fuel properties, and specifications for biodiesel quality control.
Date:
July 1, 2004
Creator:
Van Gerpen, J.; Shanks, B.; Pruszko, R.; Clements, D. & Knothe, G.
Object Type:
Report
System:
The UNT Digital Library
Biodiesel Production Technology: August 2002--January 2004
Biodiesel is an alternative fuel for diesel engines that is gaining attention in the United States after reaching a considerable level of success in Europe. The purpose of this book is to describe and explain the process and issues involved in producing this fuel.
Date:
July 1, 2004
Creator:
Van Gerpen, J.; Shanks,B.; Pruszko,R.; Clements, D. & Knothe, G.
Object Type:
Report
System:
The UNT Digital Library
[Blacksmith in Old City Park]
Photograph of a man wielding blacksmithing tools next to a fire outside of a pioneer home located in Old City Park. The park is Dallas' first and oldest park, featuring historic houses and furnishings dating back to 1840.
Date:
July 2004
Creator:
Mallory, Randy
Object Type:
Photograph
System:
The UNT Digital Library
Border Business Indicators, Volume 28, Number 7, July 2004
Monthly publication documenting statistics related to economic information in the Mexico-Texas border areas including types of border crossings, employment, customs revenues, and other related data.
Date:
July 2004
Creator:
Texas Center for Border Economic and Enterprise Development
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Builder System Performance Package Targeting 30% -- 40% Savings in Space Conditioning Energy Use: Period of Performance; December 2002 to December 2003
The Consortium for Advanced Residential Building (CARB), one of the Building America teams, describes recommended best practices to achieve 30% - 40% energy savings without compromising health or safety in houses built in cold climates, hot-humid climates, and hot-dry climates.
Date:
July 1, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Business Management for Biodiesel Producers: August 2002--January 2004
The material in this book is intended to provide the reader with information about the biodiesel and liquid fuels industry, biodiesel start-up issues, legal and regulatory issues, and operational concerns.
Date:
July 1, 2004
Creator:
Van Gerpen, J.
Object Type:
Report
System:
The UNT Digital Library
California Energy Commission Public Interest EnergyResearch/Energy System Integration -- Transmission-Planning Research&Development Scoping Project
The objective of this Public Interest Energy Research (PIER)scoping project is to identify options for public-interest research and development (R&D) to improve transmission-planning tools, techniques, and methods. The information presented was gathered through a review of current California utility, California Independent System Operator (ISO), and related western states electricity transmission-planning activities and emerging needs. This report presents the project teams findings organized under six topic areas and identifies 17 distinct R&D activities to improve transmission-planning in California and the West. The findings in this report are intended for use, along with other materials, by PIER staff, to facilitate discussions with stakeholders that will ultimately lead to development of a portfolio of transmission-planning R&D activities for the PIER program.
Date:
July 1, 2004
Creator:
Eto, Joseph H.; Lesieutre, Bernard & Widergren, Steven
Object Type:
Report
System:
The UNT Digital Library
The Canadian Record (Canadian, Tex.), Vol. 114, No. 27, Ed. 1 Thursday, July 1, 2004
Weekly newspaper from Canadian, Texas that includes local, state and national news along with some advertising.
Date:
July 1, 2004
Creator:
Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History