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NEA-0351 MERCURE.

MERCURE, 3-D Gamma Heating and Gamma Dose Rate and Fast Flux by Monte-Carlo

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1. NAME OR DESIGNATION OF PROGRAM:  MERCURE.
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2. COMPUTERS
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Program name Package id Status Status date
MERCURE-4 NEA-0351/01 Tested 01-SEP-1980

Machines used:

Package ID Orig. computer Test computer
NEA-0351/01 IBM 3033 IBM 3033
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3. NATURE OF PHYSICAL PROBLEM SOLVED

The Monte Carlo code MERCURE 4 computes in a three dimensional heterogeneous geometry heating and gamma dose rate, and by the point wise kernel attenuation in straight line, the fast fluxes. Tabulated accumulation factors give  the contribution of the scattered gamma rays.
The program calculates accumulation factors for mixtures; for multi- layer media Kitazume formulation is used.
GAMLEG/A produces the multigroup photonic library. The sources can be represented in different geometries. For each geometry, the program works with a homogeneous lattice with plane and quadrical boundaries.
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4. METHOD OF SOLUTION

Random generation of the sources are used. The density is given by S(r,e)*I(r,e). S(r,e) is the sources' distribution function and I(r,e) is a weight function. For each mesh an initial weight function is generated. During the calculations, this function is modified and adjusted on the basis of the preceding results. Calculations stop when precision is reached. By using the Monte Carlo method instead of the discrete ordinates method computer time is reduced considerably.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  Number of energy groups 21, number of mesh sources 20.
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6. TYPICAL RUNNING TIME
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7. UNUSUAL FEATURES: UNUSUAL FEATURES OF THE PROGRAM
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8. RELATED AND AUXILIARY PROGRAMS:  GAMLEG/A to generate the cross sections library.
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9. STATUS
Package ID Status date Status
NEA-0351/01 01-SEP-1980 Tested at NEADB
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10. REFERENCES
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11. HARDWARE REQUIREMENTS: MACHINE REQUIREMENTS
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
NEA-0351/01 FORTRAN+ASSEMBLER
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13. SOFTWARE REQUIREMENTS: OPERATING SYSTEM OR MONITOR UNDER WHICH PROGRAM IS EXECUTED
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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

     C. Devillers and C. Dupont
     SERMA/CEN
     Fontenay-Aux-Roses, France
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16. MATERIAL AVAILABLE
NEA-0351/01
File name File description Records
NEA0351_01.001 INFORMATION 7
NEA0351_01.002 INTERX SOURCE (F4) 2221
NEA0351_01.003 OVERLAY CARDS FOR INTERX 11
NEA0351_01.004 MERCURE-4 SOURCE (F4) 4774
NEA0351_01.005 OVERLAY CARDS FOR MERCURE-4 19
NEA0351_01.006 JCL TO RUN MERCURE-4 19
NEA0351_01.007 AUXILIARY ROUTINES (F4) 872
NEA0351_01.008 AUXILIARY ROUTINES (ASSEMBLER) 473
NEA0351_01.009 S.P. INPUT DATA FOR INTERX AND MERCURE-4 115
NEA0351_01.010 SACLAY LIBRARY ROUTINES (F4) 619
NEA0351_01.011 SACLAY LIBRARY ROUTINES (ASSEMBLER) 1346
NEA0351_01.012 GAMLEG/A SOURCE (F4) 517
NEA0351_01.013 GAMLEG/A DD CARDS 6
NEA0351_01.014 GAMLEG/A S.P. INPUT DATA 536
NEA0351_01.015 ZEBIB SOURCE (F4) 94
NEA0351_01.016 ZEBIB DD CARDS 4
NEA0351_01.017 ZEBIB S.P. INPUT DATA 651
NEA0351_01.018 PRINTED OUTPUT OF INTERX 197
NEA0351_01.019 PRINTED OUTPUT OF MERCURE-4 912
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17. CATEGORIES
  • J. Gamma Heating and Shield Design

Keywords: Monte Carlo method, dose rates, gamma radiation, neutron flux, shielding, three-dimensional.