Computer Programs
NEA-0464 PN.
last modified: 01-DEC-1976 | catalog | categories | new | search |

NEA-0464 PN.

PN, 1-D, 2-D, 3-D MultiGroup Neutron Transport

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1. NAME OR DESIGNATION OF PROGRAM:  PN.
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2. COMPUTERS
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Program name Package id Status Status date
PN NEA-0464/01 Tested 01-DEC-1976

Machines used:

Package ID Orig. computer Test computer
NEA-0464/01 IBM 370 series IBM 370 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

The static multigroup neutron transport equation is solved in one, two or three dimensions.
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4. METHODS

METHOD OF SOLUTION. The flux is expanded in spherical harmonics - Diffusion type equations are obtained for the even moments and these are solved using over relaxation methods.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  10000 mesh points in  37 groups.
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6. TYPICAL RUNNING TIME:  Problem dependent.
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED OR AUXILIARY PROGRAMS: RELATED AND AUXILIARY PROGRAMS
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9. STATUS
Package ID Status date Status
NEA-0464/01 01-DEC-1976 Tested at NEADB
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10. REFERENCES: - TRG Reports 2547(R) and 2849(R).
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11. MACHINE REQUIREMENTS:  590 kbytes of fast store and 6 disc files.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0464/01 FORTRAN-IV
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  RIOS of ICL 470. OS of IBM 370.
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS

ANY OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS
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15. NAME AND ESTABLISHMENT OF AUTHOR

   J.K. Fletcher
   Central Technical Services
   Risley
   United Kingdom.
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16. MATERIAL AVAILABLE
NEA-0464/01
File name File description Records
NEA0464_01.001 PROGRAM SOURCE AND LIBRARY ROUTINES - FORTRA 6812
NEA0464_01.002 PROGRAM LIBRARY ROUTINES - ASSEMBLER 614
NEA0464_01.003 SAMPLE PROBLEM DATA 18
NEA0464_01.004 SAMPLE PROBLEM OUTPUT 97
NEA0464_01.005 OVERLAY STRUCTURE 33
NEA0464_01.006 JCL FOR SAMPLE PROBLEM 8
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17. CATEGORIES
  • C. Static Design Studies

Keywords: multigroup, neutron transport theory, one-dimensional, spherical harmonics, three-dimensional, two-dimensional.