IAEA1221 FIGA.

FIGA, Source Distribution Conversion from X-Y to R-Theta Geometry

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: FIGA (FIsijska GostotA).

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2. COMPUTERS

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Program name	Package id	Status	Status date
FIGA	IAEA1221/01	Tested	18-FEB-1991

Machines used:

Package ID	Orig. computer	Test computer
IAEA1221/01	Many Computers	DEC VAX 8810

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3. DESCRIPTION OF PROGRAM OR FUNCTION

The code FIGA converts the source distribution (fission density) from x-y to r-theta geometry for subsequent use in transport codes such a DOT and TWODANT. The standard as well as the variable mesh feature as available in DOT-4 and DORT can be treated. The principal application is to the ex-core reactor transport calculations performed in r-theta geometry. Usually the fission densities in the core are calculated in x-y geometry, whereas for the ex-core region the use of the r-theta geometry is more appropriate. FIGA can be used to prepare the source term and to define the borders of the core region.

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4. METHOD OF SOLUTION:

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM

In this particular version of the code 30000 words of main storage are used, which should be sufficient for usual cases. In case of an "insufficient memory" error message, increase the variable MEM and D dimensions in the main program.

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6. TYPICAL RUNNING TIME:

IAEA1221/01

NEA-DB ran the two test cases included in this package on a VAX 8810 computer. Each case required 2.5 seconds of CPU time.

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7. UNUSUAL FEATURES OF THE PROGRAM:

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8. RELATED AND AUXILIARY PROGRAMS

The code FIGA prepares the input source distribution for the codes DOT-3, DOT-4, and DORT. The source term is written in DOT card-image input format (17**). With minor modifications it can also be used for the code TWODANT.

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9. STATUS

Package ID	Status date	Status
IAEA1221/01	18-FEB-1991	Tested at NEADB

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10. REFERENCES:

IAEA1221/01, included references:

- I.A. Kodeli:
  FIGA:  Code to Convert the Fission Densities from x-y to r-theta
  Input Description
  IJS/R1-DP-6236/1991 (February 1991)

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11. MACHINE REQUIREMENTS

The test case ran on a VAX 8810 computer in 30K words of main storage. For memory increase, see item 4.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
IAEA1221/01	FORTRAN-77

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

IAEA1221/01

VMS V5.3-1 (VAX 8810).

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. NAME AND ESTABLISHMENT OF AUTHORS

            I. A. KODELI
            Institute "Jozef Stephan"
            LJUBLJANA
            Yugoslavia

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16. MATERIAL AVAILABLE

IAEA1221/01

File name	File description	Records
IAEA1221_01.001	INFORMATION FILE	69
IAEA1221_01.002	FORTRAN SOURCE PROGRAM	955
IAEA1221_01.003	TEST CASE 1 INPUT	16
IAEA1221_01.004	TEST CASE 2 INPUT	17
IAEA1221_01.005	TEST CASE 1 OUTPUT	330
IAEA1221_01.006	TEST CASE 2 OUTPUT	508

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17. CATEGORIES

C. Static Design Studies
L. Data Preparation

Keywords: fission products, r-theta, transport theory.