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Department of Energy, National Nuclear Security Administration, Defense Programs, ASCI ProgramBiblio.com

ASCI Technology Prospectus; Simulation and Computational Science DOE/DP/AST-ATP-001/SAND2001-1765P

2001réf. 77586Washington DC: Department of Energy National Nuclear Security Administration Defense Programs ASCI Program 2001. Presumed First Edition First printing. Wraps. Very good. 2 viii 84 6 pages. Illustrations most in color. Definitions and URLs. Technology Roadmaps. Figures. The U.S. Department of Energy DOE established the Accelerated Strategic Computing Initiative ASCI in 1996. The goal of ASCI is to simulate the results of new weapons designs as well as the effects of aging on existing and new designs all in the absence of additional data from underground nuclear tests. This was a daunting challenge and required simulation capabilities that far surpassed those then available. The Advanced Simulation and Computing Program or ASC which grew out of the Accelerated Strategic Computing Initiative is a super-computing program run by the National Nuclear Security Administration in order to simulate test and maintain the United States nuclear stockpile. The program was created in 1995 in order to support the Stockpile Stewardship Program or SSP. The goal of the initiative is to extend the lifetime of the current aging stockpile. One of the Technology Road Maps in this document is for Grid Services. The ASCI Grid Services initially called Distributed Resource Management project was started under DisCom² when distant and distributed computing was identified as a technology critical to the success of the ASCI Program. The goals of the Grid Services project has and continues to be to provide easy consistent access to all the ASCI hardware and software resources across the nuclear weapons complex using computational grid technologies increase the usability of ASCI hardware and software resources by providing interfaces for resource monitoring job submission job monitoring and job control and enable the effective use of high-end computing capability through complex-wide resource scheduling and brokering. In order to increase acceptance of the new technology the goal included providing these services in both the unclassified as well as the classified user's environment. Department of Energy, National Nuclear Security Administration, Defense Programs, ASCI Program paperback

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United States Department of Energy, National Nuclear Security Administration, Office of Defense ProgramsBiblio.com

ASC V&V Workshop; July 13-14 2004 La Jolla California

2004réf. 75433United States Department of Energy National Nuclear Security Administration Office of Defense Programs 2004. Presumed First Edition First printing thus. DVD. Very good. DVD has 40 files and many of them are folders. On July 13-14 2004 the Caltech ASC Level 1 Center hosted an ASC TriLab V&V Workshop in La Jolla CA to discuss and compare what the NNSA laboratories and the ASC Level 1 University Centers are learning with respect to code verification and validation. About 50 people participated in the workshop. Presentations were organized into four sessions and moderated by key V&V personnel from the NNSA labs and ASC Centers: 1 V&V Program Overviews Jamileh Soudah ASC HQ - Chair 2 Code and Solution Verification Tomek Plewa University of Chicago Flash Center - Chair 3 Validation Experiments Dan Meiron Caltech ASC Center - Chair 4 Validation and Uncertainty Quantification Tony Giunta Sandia - Chair The workshop began with V&V overviews presented by speakers from Los Alamos Lawrence Livermore and Sandia National Laboratories and the ASC Level 1 Alliance Centers at Caltech the University of Chicago the University of Illinois Stanford University and the University of Utah. These baseline presentations were followed by talks addressing approaches and lessons learned in code and solution verification designing and implementing validation experiments and what has been accomplished and remains to be done in uncertainty qualification. At the end of the workshop Dan Meiron Caltech hosted a discussion to summarize commonalities across the lab and university programs and identify collaborative efforts that might follow this workshop. The workshop began with V&V overviews presented by speakers from Los Alamos Lawrence Livermore and Sandia National Laboratories and the ASC Level 1 Alliance Centers at Caltech the University of Chicago the University of Illinois Stanford University and the University of Utah. These baseline presentations were followed by talks addressing approaches and lessons learned in code and solution verification designing and implementing validation experiments and what has been accomplished and remains to be done in uncertainty qualification. At the end of the workshop Dan Meiron Caltech hosted a discussion to summarize commonalities across the lab and university programs and identify collaborative efforts that might follow this workshop. The purpose of this document is to provide a synopsis of the key issues discussed during the workshop. The intent is not to review the substance of the technical presentations which are available from the Caltech V&V Workshop web site and CD but to provide a record of the important issues raised during the workshop discussion and interaction. Input for this synopsis comes primarily from the summary session moderated by Dan Meiron and notes taken during the course of the workshop sessions. United States Department of Energy, National Nuclear Security Administration, Office of Defense Programs unknown

Ground Zero Books · États-Unis275,00 $US≈ 245,21 €

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