NEA-1293 KINIK.

KINIK, Absorber Rod Calibration Kinetics

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: KINIK.

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2. COMPUTERS

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Program name	Package id	Status	Status date
KINIK	NEA-1293/01	Tested	08-DEC-1989

Machines used:

Package ID	Orig. computer	Test computer
NEA-1293/01	Many Computers	Many Computers

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3. DESCRIPTION OF PROGRAM OR FUNCTION

KINIK is an inverse kinetic code that solves the inverse form of the point kinetic equations using the Runge-Kutta method. An optimization procedure is involved to control the time step and to reduce the running time. Up to 24 delayed neutron groups of different types (in case of heavy water as moderator or beryllium as reflector) are considered. KINIK is commonly applied to determine reactivity worths and to calibrate absorber rods. Following a rod drop, neutron flux or power is recorded as a function of time and used as input.

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4. METHOD OF SOLUTION

The inverse point kinetc equations are numerically solved for each time step using the Runge-Kutta method. The input data resulting from measurements are first approximated by polynomials of maximum degree 10 using a least-squares approach.

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

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6. TYPICAL RUNNING TIME

Two seconds.
NEA 1293/01: NEA-DB ran the test case included in this package on IBM 3090/600 and VAX 8810 computers. CPU times required were less than .3 seconds on IBM and less than 3 seconds on VAX.

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7. UNUSUAL FEATURES OF THE PROGRAM:

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8. RELATED AND AUXILIARY PROGRAMS

KINIK is a one of several small computer codes developed for the research reactors F, FRJ-2, AVR (in Juelich, F.R. of Germany), and DR-2 (in Riso, Denmark) within the framework of the IAEA Contract No. 3634/FG. The other codes are CREMAT (zero-dimensional burnup); BURNY (position weighting burnup); and CURIAX (post-irradiation data for discharged fuel elements).

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9. STATUS

Package ID	Status date	Status
NEA-1293/01	08-DEC-1989	Tested at NEADB

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10. REFERENCES:

NEA-1293/01, included references:

- K.J. Kalker, R. Nabbi and H.J. Bormann:
  Computer Codes for the Operational Control of the Research
  Reactors
  JUL-2037  (January 1986)
- Program Note: Input Description for KINIK Code
  (received 14 November 1989)

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11. MACHINE REQUIREMENTS: IBM-370 series or VAX computers.

NEA-1293/01

On IBM 3090, 372K bytes of main storage are required.

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12. PROGRAMMING LANGUAGE(S) USED

Package ID	Computer language
NEA-1293/01	FORTRAN-IV

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED: VM/CMS(IBM);
VMS(VAX).

NEA-1293/01

MVS/XA (IBM 3090); VMS (VAX 8810).

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. NAME AND ESTABLISHMENT OF AUTHORS

        R. NABBI
        Zentralstelle Forschungsreaktoren und
        Kerntechnische Betriebe
        Kernforschungsanlage Juelich
        D-5170 JUELICH
        Postfach 1913
        Federal Republic of Germany

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16. MATERIAL AVAILABLE

NEA-1293/01

File name	File description	Records
NEA1293_01.001	This information file	76
NEA1293_01.002	KINIK Source Program (FORTRAN-77)	3031
NEA1293_01.003	IBM-PC Compile-link-run commands	6
NEA1293_01.004	DEC-VAX Compile-link-run commands	9
NEA1293_01.005	IBM-MVS Compile-link-run job control	101
NEA1293_01.006	Sample Problem Input Data	11
NEA1293_01.007	Sample Problem Printed Output	271