last modified: 19-AUG-1988 | catalog | categories | new | search |

NEA-1041 MULTIPLET.

MULTIPLET, Large Event Trees for Risk Assessment Calculation

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1. NAME OR DESIGNATION OF PROGRAM:  MULTIPLET.
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2. COMPUTERS
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Program name Package id Status Status date
MULTIPLET NEA-1041/02 Tested 19-AUG-1988

Machines used:

Package ID Orig. computer Test computer
NEA-1041/02 IBM PC IBM PC
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3. DESCRIPTION OF PROGRAM OR FUNCTION

MULTIPLET calculates the products of conditional probabilities along all the branches of an event tree and performs various analyses of the results. The program is able to perform sensitivity studies.
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4. METHOD OF SOLUTION:
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:
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6. TYPICAL RUNNING TIME:
NEA-1041/02
NEA-DB ran one of the test cases supplied with this package on an IBM PC/AT computer in about 10 seconds.
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7. UNUSUAL FEATURES OF THE PROGRAM

A sophisticated input routine is provided for easy use. The program is designed for large event trees. Listings of the dominant branches (paths) leading to selected end categories can be produced.
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8. RELATED AND AUXILIARY PROGRAMS:
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9. STATUS
Package ID Status date Status
NEA-1041/02 19-AUG-1988 Tested at NEADB
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10. REFERENCES:
NEA-1041/02, included references:
- S.F. Hall:
  MULTIPLET - A Program for Calculating Large Event Trees.
  SRD R 300  (April 1984)
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11. MACHINE REQUIREMENTS

NEA 1041/02: Main storage requirements for TREERUN.EXE and TREEGROW.EXE are 105K bytes each.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-1041/02 FORTRAN-77
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:
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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:
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15. NAME AND ESTABLISHMENT OF AUTHORS

     S.F. Hall
     United Kingdon Atomic Energy Authority
     Safety and Reliability Directorate
     Culcheth, Warrington, UK
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16. MATERIAL AVAILABLE
NEA-1041/02
File name File description Records
NEA1041_02.001 INFORMATION FILE 125
NEA1041_02.002 FORTRAN FUNCTION BOX 87
NEA1041_02.003 FORTRAN PROGRAM HARNESS 15
NEA1041_02.004 FORTRAN SUBROUTINE INPUT 454
NEA1041_02.005 FORTRAN SUBROUTINE IS 25
NEA1041_02.006 FORTRAN SUBROUTINE LISTS 53
NEA1041_02.007 FORTRAN SUBROUTINE M01AKF 33
NEA1041_02.008 FORTRAN SUBROUTINE MATCH 42
NEA1041_02.009 FORTRAN FUNCTION Pr 61
NEA1041_02.010 FORTRAN SUBROUTINE POINT 62
NEA1041_02.011 FORTRAN SUBROUTINE SORT 181
NEA1041_02.012 FORTRAN SUBROUTINE TREE 60
NEA1041_02.013 MAIN PROGRAM TREERUN 144
NEA1041_02.014 MAIN PROGRAM TREEGROW 206
NEA1041_02.015 INPUT FILE FOR HARNESS 3
NEA1041_02.016 INPUT FILE FOR TREEGROW, TEST1.DAT 52
NEA1041_02.017 INPUT FILE FOR TREEGROW, TEST2.DAT 42
NEA1041_02.018 INPUT FILE FOR TREEGROW, TEST3.DAT 35
NEA1041_02.019 INPUT FILE FOR TREEGROW, TEST4.DAT 40
NEA1041_02.020 INPUT FILE FOR TREEGROW, TEST5.DAT 20
NEA1041_02.021 OUTPUT FILE FROM TREERUN 62
NEA1041_02.022 DOS file names 21
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17. CATEGORIES
  • G. Radiological Safety, Hazard and Accident Analysis

Keywords: event trees, reliability, risk assessment.