Computer Programs
IAEA0837 SAMSY.
last modified: 02-APR-1987 | catalog | categories | new | search |

IAEA0837 SAMSY.

SAMSY, Neutron and Gamma Dose Rates and Heat Source for Multilayer Shields

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1. NAME OR DESIGNATION OF PROGRAM:  SAMSY - Shielding Analysis Modular  System.
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2. COMPUTERS
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Program name Package id Status Status date
SAMSY IAEA0837/01 Tested 02-APR-1987

Machines used:

Package ID Orig. computer Test computer
IAEA0837/01 CDC CYBER 173 CDC CYBER 740
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3. DESCRIPTION OF PROBLEM OR FUNCTION

The SAMSY code calculates multigroup neutron fluxes and dose rate, multigroup gamma ray dose rates and internal heat sources, as a function of distance through large multilayer reactor shields. I D geometries: plane, spheri- cal, cylindrical.
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4. METHOD OF SOLUTION

The code is based on Spiney method for neutron  field analysis and on build-up factor method for gamma fields, with  two optional approaches to build-up factors evaluation; the first is based on single layer build-up factor conception as in the well-  known MAC-RAD code, and the second on the modified Harima-Nishiwaki  formula for build-up factors in multilayered media.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:  26 neutron group, 7 gamma group, 1200 mesh-points.
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6. TYPICAL RUNNING TIME:  About 5 minutes for 1200 mesh points on CDC CYBER 73.
IAEA0837/01
NEA-DB executed the test case included in this package  on a CDC CYBER 740 computer in 161 seconds of CPU time.
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7. UNUSUAL FEATURES OF THE PROGRAM:
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8. RELATED AND AUXILIARY PROGRAMS

SAMSY is a complete system with its own data library RUSLIB (26 neutron group, 7 gamma group constants for 32 elements) attached to the program.
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9. STATUS
Package ID Status date Status
IAEA0837/01 02-APR-1987 Tested at NEADB
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10. REFERENCES
IAEA0837/01, included references:
- L. Szymendera, K. Wincel, L. Sobolewska et al ;
"SAMSY: A One-Dimensional Improved Shielding Code
User's Manual"
INR 1691 (1977)
- K.Wincel, L.Szymendera and I.Sobolewska ;
"Some Practical Application of Gamma Ray Build-Up
Factors for Multilayered Media"
INR 1690 (1977)
- I. Sobolewska, L.Szymendera, K.Wincel;
"A Modified harima-Nishiwaki Formula for Gamma Ray
Build-Up Factors in Multilayered Media"
INR 1689 (1977)
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11. MACHINE REQUIREMENTS

    - 127500 octal high speed memory
    - 30 scratch files and INPUT, OUTPUT files on discs memory
    - Printer
IAEA0837/01
134,400 (octal) words of CM were required for running the test case on an CDC CYBER 740.
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12. PROGRAMMING LANGUAGE(S) USED
Package ID Computer language
IAEA0837/01 FORTRAN-IV
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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:  Scope 3.4.
IAEA0837/01
NOS2.5.1 664/665 (CDC CYBER 740).
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14. OTHER PROGRAMMMING OR OPERATING INFORMATION OR RESTRICTIONS

The
code has an overlay structure consisting of 7 overlays.
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15. NAME AND ESTABLISHMENT OF AUTHOR

          K. Wincel, I. Sobolewski, D. Kordyasz, A. Polanski
          Institute of Nuclear Research
          Radiation Shielding Group 1977
          Warsaw
          Poland.
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16. MATERIAL AVAILABLE
IAEA0837/01
File name File description Records
IAEA0837_01.001 Information file 64
IAEA0837_01.002 JCL control information 17
IAEA0837_01.003 SAMSY source program 2897
IAEA0837_01.004 QUAD and auxiliary subroutine 1060
IAEA0837_01.005 SAMSY sample problem input 37
IAEA0837_01.006 Data Library 1319
IAEA0837_01.007 SAMSY sample problem output 2210
IAEA0837_01.008 SAMSY original sample problem output 2210
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17. CATEGORIES
  • J. Gamma Heating and Shield Design

Keywords: buildup, dose rates, gamma radiation, multigroup, neutron flux, one-dimensional, shielding.