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[Program Service | Recent programs]

IAEA0841 SFAK. (Abstract last modified 21-SEP-1982)


SFAK, Unscattered Gamma Self-Absorption from Regulalr Fuel Rod Assemblies

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Abstract Table of Contents:

NAME | COMPUTER | PROBLEM | SOLUTION | RESTRICTIONS | CPU | FEATURES | AUXILIARIES | STATUS | REFERENCES | REQUIREMENTS | LANGUAGE | OPERATING SYSTEM | OTHER RESTRICTIONS | AUTHOR | MATERIAL | CATEGORIES |

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1. NAME OR DESIGNATION OF PROGRAM - SFAK. 


2. COMPUTER FOR WHICH PROGRAM IS DESIGNED AND OTHER MACHINE VERSION PACKAGES AVAILABLE -

To request or retrieve programs click on the one of the active versions below. A password and special authorization is required.

Explanation of the status codes.

Program-name         Package-ID  Status
SFAK                 IAEA0841/01 Tested

Machines used:
Package-ID     Orig.Computer                       Test Computer
IAEA0841/01    IBM 3081                            IBM 3081

3. DESCRIPTION OF PROBLEM OR FUNCTION - Calculation of the self- absorption of unscattered (gamma-) radiation from fuel assemblies which contain a regular arrangement of identical fuel rods.


4. METHOD OF SOLUTION - The point-kernel is integrated over the radiation sources, i.e. the fuel rods. A uniform mesh of integration points is used for each of the fuel rods.


5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM - Number of fuel rods is dynamically allocated.


6. TYPICAL RUNNING TIME - Execution of the test case on IBM 3081 required 55 CPU seconds.


7. UNUSUAL FEATURES OF THE PROGRAM - 


8. RELATED AND AUXILIARY PROGRAMS - The program is based on the geometrical subroutine of the Monte Carlo program DIMOS.


9. STATUS
IAEA0841/01: 21-SEP-1982 Tested at NEADB


10. REFERENCES  - 
- H. Wand, 
  SFAK - A Program for Calculating the Self-Absorption of 
  Unscattered Gamma Radiation from Fuel Assemblies 
  ZfK-318 (November 1976), p. 21. 
- K. Noack, 
DIMOS - A Multigroup Monte Carlo Code for Criticality Calculations ZfK-247 (1973).
IAEA0841/01:
- H. Wand:
  Fortran Version of SFAK.  ZfK - 318(Supplement) (September 1981).


11. MACHINE REQUIREMENTS - Execution of the test case on IBM 3081 required 92 kbytes of main storage.


12. PROGRAMMING LANGUAGE(S) USED -
IAEA0841/01: FORTRAN-IV 


13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED - 
IBM 3081 MVS/SP with FORTRAN-H EXTENDED compiler. 


14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS - 


15. NAME AND ESTABLISHMENT OF AUTHOR - 
 H. Wand 
 Zentralinstitut fuer Kernforschung Rossendorf 
 8051 Dresden 
 Federal Republic of Germany. 


16. MATERIAL AVAILABLE -
IAEA0841/01:
IAEA0841_01.003   SFAK INFORMATION FILE                              30 records
IAEA0841_01.004   SFAK SOURCE (FORTRAN-4)                           544 records
IAEA0841_01.005   SFAK JCL FOR TEST CASE                             60 records
IAEA0841_01.006   SFAK INPUT FOR TEST CASE                           46 records
IAEA0841_01.007   SFAK OUTPUT OF TEST CASE                         1086 records


17. CATEGORIES  - 

- J.  Gamma Heating and Shield Design


Keywords: ABSORPTION, FUEL ASSEMBLIES, FUEL RODS, GAMMA RADIATION, POINT KERNELS

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