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[2], ii, 32, [4] pages. Footnotes. Illustrations (color). Appendices A-E (includes Glossary) Visuals. Tables. ASC Timeline. Cover has minor wear and soiling. The Advanced Simulation and Computing Program (ASC) is a cornerstone of the Stockpile Stewardship Program, providing simulation capabilities and computational resources to support the annual stockpile assessment and certification, to study advanced nuclear-weapons design and manufacturing processes, to analyze accident scenarios and weapons aging, and to provide the tools to enable Stockpile Life Extension Programs (SLEPs) and the resolution of Significant Finding Investigations (SFIs). This requires a balanced resource, including technical staff, hardware, simulation software, and computer science solutions. This Program Plan describes the ASC strategy and the deliverables required to accomplish the FY 2006-2010 multifaceted objectives, defines program goals, introduces the new national work breakdown structure, and details the new subprograms, their strategics, and their associated performance indicators. The plan also includes ASC Level 1 Milestones and the top ten risks. To ensure synchronizations with the SSP's needs, the Program Plan will be reviewed and updated annually. The Advanced Simulation and Computing Program (or ASC) 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. After the United States' 1992 moratorium on live nuclear testing, the Stockpile Stewardship Program was created in order to find a way to test, and maintain the nuclear stockpile. In response, the National Nuclear Security Administration began to simulate the nuclear warheads using supercomputers. As the stockpile ages, the simulations have become more complex, and the maintenance of the stockpile requires more computing power. Over the years, due to Moore's Law, the ASC program has created several different supercomputers with increasing power, in order to compute the simulations and mathematics. Within the ASC program, there are six subdivisions, each having their own role in the extension of the life of the stockpile. Facility Operations and User Support: The Facility Operations and User Support subdivision is responsible for the physical computers and facilities and the computing network within ASC. They are responsible for making sure the tri-lab network, computing storage space, power usage, and the customer computing resources are all in line. Computational Systems and Software Environment: The Computational and User Support subdivision is responsible for maintaining and creating the supercomputer software according to NNSA's standards. They also deal with the data, networking and software tools. The ASCI Path Forward project substantially funded the initial development of the Lustre parallel file system from 2001 to 2004. Verification and Validation: The Verification and Validation subdivision is responsible for mathematically verifying the simulations and outcomes. They help software engineers write more precise codes in order to decrease the margin of error when the computations are run. Physics and Engineering Models: The Physics and Engineering Models subdivision is responsible for deciphering the mathematical and physical analysis of nuclear weapons. They integrate physics models into the codes in order to gain a more accurate simulation. They deal with the way that the nuclear weapon will act under certain conditions based on physics. They also study nuclear properties, vibrations, high explosives, advanced hydrodynamics, material strength and damage, thermal and fluid response, and radiation and electrical responses. Integrated Codes: The Integrated Codes subdivision is responsible for the mathe.
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