Computer modeling for optimal placement of gloveboxes

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Reduction of the nuclear weapons stockpile and the general downsizing of the nuclear weapons complex has presented challenges for Los Alamos. One is to design an optimized fabrication facility to manufacture nuclear weapon primary components (pits) in an environment of intense regulation and shrinking budgets. Historically, the location of gloveboxes in a processing area has been determined without benefit of industrial engineering studies to ascertain the optimal arrangement. The opportunity exists for substantial cost savings and increased process efficiency through careful study and optimization of the proposed layout by constructing a computer model of the fabrication process. This paper presents ... continued below

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18 p.

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Hench, K.W.; Olivas, J.D. & Finch, P.R. August 1, 1997.

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Description

Reduction of the nuclear weapons stockpile and the general downsizing of the nuclear weapons complex has presented challenges for Los Alamos. One is to design an optimized fabrication facility to manufacture nuclear weapon primary components (pits) in an environment of intense regulation and shrinking budgets. Historically, the location of gloveboxes in a processing area has been determined without benefit of industrial engineering studies to ascertain the optimal arrangement. The opportunity exists for substantial cost savings and increased process efficiency through careful study and optimization of the proposed layout by constructing a computer model of the fabrication process. This paper presents an integrative two- stage approach to modeling the casting operation for pit fabrication. The first stage uses a mathematical technique for the formulation of the facility layout problem; the solution procedure uses an evolutionary heuristic technique. The best solutions to the layout problem are used as input to the second stage - a computer simulation model that assesses the impact of competing layouts on operational performance. The focus of the simulation model is to determine the layout that minimizes personnel radiation exposures and nuclear material movement, and maximizes the utilization of capacity for finished units.

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18 p.

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INIS; OSTI as DE97008572

Source

  • American Glovebox Society conference, Lakewood, CO (United States), 21-24 Jul 1997

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  • Other: DE97008572
  • Report No.: LA-UR--97-2187
  • Report No.: CONF-970791--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 629331
  • Archival Resource Key: ark:/67531/metadc689926

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  • August 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 25, 2016, 2:11 p.m.

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Hench, K.W.; Olivas, J.D. & Finch, P.R. Computer modeling for optimal placement of gloveboxes, article, August 1, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc689926/: accessed August 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.