Computer Programs
NEA-0167 LIE-PN.
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NEA-0167 LIE-PN.

LIE-PN, Pn Neutron Transport in Radial Geometry Cell with Source Problems Calculation

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1. NAME OR DESIGNATION OF PROGRAM:  LIE-PN.
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2. COMPUTERS
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Program name Package id Status Status date
LIE-PN NEA-0167/01 Tested 01-OCT-1967

Machines used:

Package ID Orig. computer Test computer
NEA-0167/01 IBM 360 series IBM 360 series
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3. NATURE OF PHYSICAL PROBLEM SOLVED

Time independent PN spherical harmonics neutron transport equations, multi-group r-geometry cell with annular zones, choice of boundary conditions, and of significance of eigenvalue. Source problems.
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4. METHOD OF SOLUTION:  Lie series.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

Value of N in PN, number of energy groups and number of zones are limited only by size of core storage, which is dynamically allocated.
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6. TYPICAL RUNNING TIME:  A 3 group P3 problem takes 31.4 seconds.
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7. UNUSUAL FEATURES OF THE PROGRAM

Dynamic dimensioning and positioning of FORTRAN arrays. Format free input.
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8. RELATED AND AUXILIARY PROGRAMS

Programme routines FF1 for format free input are included in LIE-PN.
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9. STATUS
Package ID Status date Status
NEA-0167/01 01-OCT-1967 Tested at NEADB
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10. REFERENCES

- J. Menning and T. Auerbach:
  The Application of LIE Series to Reactor Theory
  Nuclear Science and Engineering - 28, 159-165 (1967).
NEA-0167/01, included references:
- R. Alpiar
LIE-PN, a PN-Spherical Harmonics, Multi-Group, Multi-Region
Programme
EIR-Bericht No.110
- R. Alpiar
Format-Free Input Routines for FORTRAN Programmes
EIR-Bericht No. 117
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11. MACHINE REQUIREMENTS:  Upwards of 1000 common storage depending on problem.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0167/01 FORTRAN-IV
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13. OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED:  FORTRAN COOP monitor.
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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. Menning, T. Auerbach, R. Alpiar                                         EIR Wuerenlingen A.G.
      Switzerland
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16. MATERIAL AVAILABLE
NEA-0167/01
File name File description Records
NEA0167_01.001 SOURCE & DATA %360/65< 1578
NEA0167_01.002 TEST PROGRAMS 186
NEA0167_01.003 OUTPUT 197
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17. CATEGORIES
  • C. Static Design Studies

Keywords: eigenvalues, multigroup, spherical harmonics, transport theory.