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GipGui: A Graphical User Interface for the GIP Cross Section Preparation Code

GipGui: A Graphical User Interface for the GIP Cross Section Preparation Code

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GipGui: A Graphical User Interface for the GIP Cross Section Preparation Code

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  1. GipGui: A Graphical User Interface for the GIP Cross Section Preparation Code ANS M&C Gatlinburg, TN April 9, 2003 Douglas E. Peplow Nuclear Science and Technology Division Oak Ridge National Laboratory Yousry Y. Azmy Department of Mechanical and Nuclear Engineering Pennsylvania State University

  2. GIP - Mixes Group Cross Sections for DOORS • GIP input deck is instructions for combining elemental cross sections using any combination of elements from a given library file or from manually-entered elemental cross sections • each Pl component listed as separate materials • Pl components are built by instructions mixtureN = mixtureN + materialM*density input file: N M density • densities MUST be atom/(b cm) • strict formatting, not very readable • steep learning curve

  3. Example – natural iron and carbon steel 1$$ 69 3 4 72 63 / # grps; total; self sc; tbl lnth; mxng tbl 6 612 702 0 5 / cards; tape; total mats; frwrd; Pl order 2 2 2 / prnt-; output mixs only; DOT4 format a18 8 21 / output & input library units e t 13$$ 610i 1 612 / Set ID numbers for nuclides from library 7$$ / translate card material by 612 & all tape materials by -6 4i 613 618 610i 1 612 82i 619 702 10$$ / Specify material number for each mixture: 4r-661 / 9. 4 nuclides in natural iron 4r-673 / 10. 4 nuclides in carbon steel 11$$ / Specify material number for nuclides in each mixture: / 9. natural iron: Fe54 Fe56 Fe57 Fe58 187 195 203 211 / 10. carbon steel: C Si Mn55 Fe 75 505 333 661 12** / density in atoms per b.cm for each nuclide / 9. natural iron: Fe54 Fe56 Fe57 Fe58 5.011-3 7.790-2 1.784-3 2.378-4 / 10. carbon steel: C Si Mn55 Fe 7.883-4 4.214-4 3.878-4 8.401-2 t Library 1 7 al27 75 7 c 187 7 fe54 195 7 fe56 203 7 fe57 211 7 fe58 333 7 mn55 505 7 si 607 5 zr

  4. Need a better way to make GIP input decks • treat materials as materials, handle Pl components behind-the-scenes • easier way to enter data by hand • easier way to specify material compositions • eliminate the need to learn formatting • ability to edit existing input decks (back-compatibility) • perhaps even run GIP without ever seeing the input deck

  5. GipGui

  6. GipGui • written in Java, machine independent • creates new and edits existing input decks • manually entered data input into easy-to-read table • user can specify material composition 8 different ways • elemental and nuclear data on main screen • extra comments and data embedded into GIP standard input file

  7. Material Specification – H2O (H1, O16) • mass densities • H: 0.1119 g/cm^3 • O: 0.8881 g/cm^3 • mass fractions • total: 1.0000 g/cm^3 • H: 0.1119 • O: 0.8881 • atomic densities • H: 0.0669 atoms/(b cm) • O: 0.0334 atoms/(b cm) • atom fractions • total: 0.10031 atoms/(b cm) • H: 0.6667 • O: 0.3333 • molecular formula • total molecular weight: 18.0105 g/mol • total density: 1.000 g/cm^3 • H: 2 • O: 1 • unitless - user supplies multiplier

  8. Requirements and Restrictions • Requirement • a library index file describing what is in the actual library (GipGui can help user create this) • Restrictions • "=gip" or "=end" not permitted • Stacked cases not allowed • Only comment character is “/” • Empty lines read as zeros • “0” entry in 10$ array not permitted

  9. Future of GipGui To the GIP community - Help Us Help You We need feedback from the user community to tell us if this is useful and how to make it better.

  10. Warning: GipGui was designed by Engineers