Computer Programs

NEA-1041 MULTIPLET.

NEA-1041 MULTIPLET.

MULTIPLET, Large Event Trees for Risk Assessment Calculation

NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES

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1. NAME OR DESIGNATION OF PROGRAM: MULTIPLET.

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2. COMPUTERS

To submit a request, click below on the link of the version you wish to order. Rules for end-users are available here.

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.